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โ‡ฑ Dravite: Mineral information, data and localities.

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Dravite

A valid IMA mineral species - grandfathered
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About DraviteHide

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Formula:
NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Colour:
Pale brown to dark-brown to brownish-black, also dark-yellow, blue.
Lustre:
Vitreous, Resinous
Hardness:
7
Specific Gravity:
3.03 - 3.18
Crystal System:
Trigonal
Name:
Named in 1883 by Gustav Tschermak for the river Drau (in Latin, Drave), on which the type locality is situated.
A very common member of the Tourmaline Group.
Dravite-Elbaite Series, Dravite-Schorl Series.

The Mg analogue of schorl.
The OH analogue of fluor-dravite. Compare oxy-dravite.

Green-to-red color change in Cr-bearing dravite is caused by the Usambara effect (see tourmaline for details), which is similar to the alexandrite effect.

Dravite from Syros, Greece, is the first example of Mg-rich tourmaline with significant admixture of tetrahedral boron (beside the dominant triangular-coordination form). The one from a pegmatite at Forshammar, Sweden, has the highest amount of REE for a pegmatitic tourmaline, although this is still a trace amount (โ‰ค 1200 ppm).




Unique IdentifiersHide

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Mindat ID:
1318
Long-form identifier:
mindat:1:1:1318:1

Similar NamesHide

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DaviteA synonym of AlunogenAl2(SO4)3 ยท 17H2O

IMA Classification of DraviteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Classification of DraviteHide

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9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th ed.:
61.3.1.11
61.3.1.9

61 : CYCLOSILICATES Six-Membered Rings
3 : Six-Membered Rings with borate groups
17.5.27

17 : Silicates Containing other Anions
5 : Borosilicates

Mineral SymbolsHide

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As of 2021 there are now IMAโ€“CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMAโ€“CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
DrvIMAโ€“CNMNCWarr, L.N. (2021). IMAโ€“CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
DrvKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277โ€“279.
DrvSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
DrvWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185โ€“187 doi:10.2138/am.2010.3371
DrvThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of DraviteHide

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Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of DraviteHide

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Vitreous, Resinous
Transparency:
Transparent, Translucent
Colour:
Pale brown to dark-brown to brownish-black, also dark-yellow, blue.
Streak:
Light brown, rarely white.
Hardness:
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Very poor {1120} {1011}
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.03 - 3.18 g/cm3 (Measured)    3.038 g/cm3 (Calculated)

Optical Data of DraviteHide

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Type:
Uniaxial (-)
RI values:
nฯ‰ = 1.634 - 1.661 nฮต = 1.612 - 1.632
Max. Birefringence:
ฮด = 0.022 - 0.029
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 ยตm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate
Pleochroism:
Strong
Comments:
O= pale yellow
E= colorless, yellowish, greenish, brownish

Chemistry of DraviteHide

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Mindat Formula:
NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Element Weights:
Element% weight
O51.732 %
Si17.576 %
Al16.885 %
Mg7.605 %
B3.383 %
Na2.398 %
H0.421 %

Calculated from ideal end-member formula.
Common Impurities:
Fe,Mn,Ti,Ca,Cr,V,K,F

Crystallography of DraviteHide

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Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 15.96(2) โ„ซ, c = 7.21(2) โ„ซ
Ratio:
a:c = 1 : 0.452
Unit Cell V:
1,590.49 ร…ยณ (Calculated from Unit Cell)
Z:
3
Morphology:
Equant to short to long prismatic
Twinning:
Rare, on {1011} and {4041}.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020157DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Umba Valley, Tanzania0293
0020156DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020155DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020154DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0019716DraviteBacik P, Uher P, Ertl A, Jonsson E, Nysten P, Kanicky V, Vaculovic T (2012) Zoned REE-enriched dravite from a granitic pegmatite in Forshammar Bergslagen Province, Sweden: An EMPA, XRD and LA-ICP-MS study The Canadian Mineralogist 50 825-8412012Forshammar Bergslagen Province, Sweden0293
0018457DraviteHughes J M, Rakovan J, Ertl A, Rossman G R, Baksheev I, Bernhardt H-J (2011) Dissymmetrization in tourmaline: the atomic arrangement of sectorally zoned triclinic Ni-bearing dravite The Canadian Mineralogist 49 29-402011Berezovskoe gold deposit, Middle Urals, Russia0293
0004680DraviteBosi F (2008) Disordering of Fe2+ over octahedrally coordinated sites of tourmaline American Mineralogist 93 1647-1653๐Ÿ‘ Image
2008Uto Island, south of Stockholm, Sweden0293
0007080DraviteMarschall H R, Ertl A, Hughes J M, McCammon C A (2004) Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron, associated with omphacite, from Syros, Greece: chemistry and structure European Journal of Mineralogy 16 817-8232004Syros, Greece0293
0007055DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007054DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007053DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007048DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Arendal, Norway0293
0007044DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Zillerthal, Tyrol, Austria0293
0007043DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007042DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007041DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007040DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007039DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0007038DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0002913DraviteCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-1442๐Ÿ‘ Image
2000Madagascar0293
0018792DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Yinnietharra, Western Australia0293
0018789DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Moctezuma, Sonora, Mexico0293
0001551DraviteHawthorne F C, MacDonald D J, Burns P C (1993) Reassignment of cation site occupancies in tourmaline: Al-Mg disorder in the crystal structure of dravite American Mineralogist 78 265-270๐Ÿ‘ Image
1993Osarar, Narok District, Kenya0293
0019011DraviteSchmetzer K, Nuber B, Abraham K (1979) Zur Kristallchemie Magnesium-reicher Turmaline Neues Jahrbuch fur Mineralogie, Abhandlungen 136 93-1121979Gerevi Hills, Tanzania0293
0000739DraviteFoit F F, Rosenberg P E (1979) The structure of vanadium-bearing tourmaline and its implications regarding tourmaline solid solutions American Mineralogist 64 788-798๐Ÿ‘ Image
1979Silver Knob, Mariposa County, California, USA0293
0000045DraviteHamburger G E, Buerger M J (1948) The structure of tourmaline American Mineralogist 33 532-540๐Ÿ‘ Image
1948de Kalb, New York, USA0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Loading XRD data...
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
2.576 ร…(100)
3.99 ร…(85)
2.961 ร…(85)
4.22 ร…(65)
3.48 ร…(60)
2.040 ร…(45)
1.920 ร…(35)
Comments:
Dobrawa, Slovenia.

Geological EnvironmentHide

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Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4a: Earthโ€™s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Geological Setting:
Metamorphosed limestones or mafic igneous rocks, rarely in pegmatites or authogenic overgrowths in sedimentary rocks.

Type Occurrence of DraviteHide

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Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, R18133, R17274.

Synonyms of DraviteHide

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Other Language Names for DraviteHide

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Varieties of DraviteHide

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Chromium-bearing DraviteA chrome-rich variety of Dravite.
Cr may occupy both Y and Z sites.
Lime-DraviteAn end-member of the Tourmaline group
Soda-DraviteA dravite with near endmember composition.

Relationship of Dravite to other SpeciesHide

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Other Members of Tourmaline:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Alumino-oxy-rossmaniteโ—ปAl3Al6(Si5AlO18)(BO3)3(OH)3OTrig. 3m : R3m
BosiiteNaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Celleriiteโ—ป(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
'Chromium-dravite'NaMg3Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Chromo-alumino-povondraiteNaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
DarrellhenryiteNa(Al2Li)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
DutrowiteNa(Fe2+2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
ErtliteNaAl3Al6(Si4B2O18)(BO3)3(OH)3OTrig. 3m : R3m
Ferro-bosiiteNaFe3+3(Al4Fe2+2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
FeruviteCaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Fluor-buergeriteNaFe3+3Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
Fluor-draviteNaMg3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-rossmaniteโ—ป(Al2Li)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m(32/m) : R3m
Fluor-schorlNaFe2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-tsilaisiteNaMn2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-uviteCaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Foititeโ—ป(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
LucchesiiteCaFe2+3 Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Magnesio-dutrowiteNa(Mg2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Magnesio-foititeโ—ป(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Magnesio-lucchesiiteCaMg3Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
MaruyamaiteK(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
OleniteNaAl3Al6(Si6O18)(BO3)3O3(OH)Trig. 3m : R3m
Oxy-chromium-draviteNaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Oxy-draviteNa(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Oxy-foititeโ—ป(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m(32/m) : R3m
Oxy-schorlNa(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
'Oxy-uvite'CaMg3Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-draviteNaV3(V4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
PovondraiteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
PrincivalleiteNa(Mn2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Rossmaniteโ—ป(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
SchorlNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
TsilaisiteNaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
'UM2000-64-SiO:BFeHKMg'(K,Na)Fe3+3(Mg2Fe3+4)Si6O18(BO3)3(OH)3O
'UM2008-52-SiO:AlBCaFFeHLiMgNa'(Ca,Na,โ—ป)(Al,Li,Fe,Mg)3Al6[Si6O18](BO3)3(OH,O)3(F,O)
'Unnamed (F analogue of feruvite)'CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3F
'Unnamed (Mn2+-F-analogue of foitite)'โ—ป(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3F ?
'Unnamed (Pb-analogue of Fluor-liddicoatite)'Pb(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
UviteCaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Vanadio-oxy-chromium-draviteNaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Forms a series with:

Common AssociatesHide

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Associations Based on Photo Data:
164 photos of Dravite associated with QuartzSiO2
55 photos of Dravite associated with CalciteCaCO3
42 photos of Dravite associated with MuscoviteKAl2(AlSi3O10)(OH)2
33 photos of Dravite associated with ArsenopyriteFeAsS
32 photos of Dravite associated with PyriteFeS2
31 photos of Dravite associated with RutileTiO2
28 photos of Dravite associated with PyrrhotiteFe1-xS
25 photos of Dravite associated with MagnesiteMgCO3
22 photos of Dravite associated with DolomiteCaMg(CO3)2
19 photos of Dravite associated with 'Smoky Quartz'SiO2

Related Minerals - Strunz-mindat GroupingHide

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9.CK.AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.Magnesio-dutrowiteNa(Mg2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.DarrellhenryiteNa(Al2Li)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.Fluor-schorlNaFe2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.PrincivalleiteNa(Mn2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.Alumino-oxy-rossmaniteโ—ปAl3Al6(Si5AlO18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.DutrowiteNa(Fe2+2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.Ferro-bosiiteNaFe3+3(Al4Fe2+2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.BosiiteNaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.Celleriiteโ—ป(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05FeruviteCaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05'Chromium-dravite'NaMg3Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Fluor-rossmaniteโ—ป(Al2Li)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m(32/m) : R3m
9.CK.05Oxy-schorlNa(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05'Oxy-uvite'CaMg3Al6(Si6O18)(BO3)3(OH)3O
9.CK.05Fluor-uviteCaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Foititeโ—ป(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Fluor-buergeriteNaFe3+3Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
9.CK.05'Unnamed (F analogue of feruvite)'CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3F
9.CK.05ErtliteNaAl3Al6(Si4B2O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05TsilaisiteNaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05UviteCaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Fluor-tsilaisiteNaMn2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Oxy-foititeโ—ป(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m(32/m) : R3m
9.CK.05LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Vanadio-oxy-chromium-draviteNaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
9.CK.05Rossmaniteโ—ป(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Oxy-vanadium-draviteNaV3(V4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05OleniteNaAl3Al6(Si6O18)(BO3)3O3(OH)Trig. 3m : R3m
9.CK.05'UM2000-64-SiO:BFeHKMg'(K,Na)Fe3+3(Mg2Fe3+4)Si6O18(BO3)3(OH)3O
9.CK.05Magnesio-lucchesiiteCaMg3Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05PovondraiteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05LucchesiiteCaFe2+3 Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Chromo-alumino-povondraiteNaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Fluor-draviteNaMg3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Oxy-draviteNa(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Oxy-chromium-draviteNaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
9.CK.05'Luinaite-(OH)'NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)Mon. m : Bm
9.CK.05SchorlNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Magnesio-foititeโ—ป(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05MaruyamaiteK(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.10Abenakiite-(Ce)Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)OTrig. 3 : R3
9.CK.15ScawtiteCa7(Si3O9)2CO3 ยท 2H2OMon. 2/m
9.CK.20Thorosteenstrupine(Ca,Th,Mn)3Si4O11F ยท 6H2O
9.CK.20Steenstrupine-(Ce)Na14Mn2+2Fe3+2Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 ยท 2H2OTrig. 3m(32/m) : R3m

Fluorescence of DraviteHide

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May weakly fluoresce under SW UV.

Other InformationHide

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Electrical:
Pyroelectric, piezoelectric.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for DraviteHide

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mindat.org URL:
https://www.mindat.org/min-1318.html
Please feel free to link to this page.

References for DraviteHide

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Reference List:

Localities for DraviteHide

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Showing 929 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the ๐Ÿ‘ Image
symbol to view information about a locality. The ๐Ÿ‘ Image
symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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๐Ÿ‘ Image
- This locality has map coordinates listed. ๐Ÿ‘ Image
- This locality has estimated coordinates. โ“˜ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. ๐Ÿ‘ Image
- Good crystals or important locality for species. ๐Ÿ‘ Image
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Afghanistan
  • Badakhshan
    • Kuran wa Munjan District
      • Sar-e-Sang
Woodside et al. (2014)
    • Yamgan District
www.gia.edu (n.d.)
Antarctica
  • East Antarctica
    • Princess Elizabeth Land
      • Ingrid Christensen Coast
        • Prydz Bay
Wadoski et al. (2011)
Amer.Min. (1998)
    • Victoria Land
      • Byrd glacier
Faure +1 other reference
Argentina
  • Cรณrdoba Province
    • Pocho Department
      • Chancani District
Colombo et al. (2012)
  • Mendoza Province
    • Las Heras Department
      • Uspallata District
Dill et al. (2012)
  • San Luis Province
    • Coronel Pringles Department
      • Estancia Grande
        • Las รguilas deposit
Galliski et al. (2012)
Henry et al. (2009)
    • San Martรญn Department
Galliski et al. (2009)
Australia
  • New South Wales
    • Argyle Co.
Jones et al. (1981)
    • Mouramba Co.
      • Nymagee
McKinnon et al. (2017)
  • Northern Territory
    • Barkly Region
      • Wauchope
Cruikshank et al. (1993)
Cruikshank et al. (1993)
    • Coomalie Shire
      • Rum Jungle
Mineral. Deposita 23 (1988)
    • Victoria-Daly Region
      • Pine Creek
Ahmad et al. +1 other reference
  • Queensland
    • City of Mount Isa
Carr (2008)
Personal collection of Keith Compton. +2 other references
Carr (2008)
  • South Australia
    • City of Onkaparinga
P.A. Wulser - in the South Australian ...
    • Kangaroo Island
      • Dudley Peninsula
        • Penneshaw
Bottrill (2020)
    • Light Regional Council
      • Koonunga
Peter Elliott
    • Northern Areas Council
      • Spalding
Francis (2013)
    • Pastoral Unincorporated Area
      • Moolawatana Station (Moolawatana)
        • Parabarana Hill
SA Geodata Database - Mineral Deposit ...
      • Radium Hill area
        • New Luxemburg Goldfield
HYL Brown
The mines & minerals of the Olary ...
      • Umberatana
        • Umberatana Diatreme
mentioned references in description
      • Wadnaminga goldfield
Grguric (1989)
  • Tasmania
    • Waratah-Wynyard municipality
Appiah et al. (2025)
      • Corinna-Savage River district
Bottrill & Taheri
      • Waratah district
        • Waratah-Mt Bischoff
Bottrill +1 other reference
    • West Coast municipality
      • Zeehan mining district
Bottrill et al. (2007)
Ralph Bottrill collection
        • North Dundas
Kitto
  • Victoria
    • Cardinia Shire
Collected by Toby Billing out of recent ...
    • City of Greater Shepparton
      • Dookie
        • Ascot Hills
    • Golden Plains Shire
      • Pittong
Birch et al. (2007)
    • Northern Grampians Shire
      • Carapooee
Museum Victoria collections
    • Pyrenees Shire
      • Avoca
Sorrell (n.d.)
  • Western Australia
    • Bridgetown-Greenbushes Shire
      • Greenbushes Mine
Jacobson et al. (2007)
Pavel M. Kartashov analytical data 2024
    • East Pilbara Shire
      • Rudall River District
Econ Geol (1997) +1 other reference
    • Kalgoorlie-Boulder Shire
      • Mount Monger Goldfield
        • Mount Monger
Simpson (1948)
      • Woolibar Station (Hampton Plains Goldfield)
        • South Kal Mines (South Kalgoorlie Gold Mine; HBJ)
Simpson (1948)
    • Leonora Shire
      • Yakabindie Station
Liontown Resoufces
    • Mount Magnet Shire
      • Mount Magnet
        • Lennonville Goldfield
Simpson (1948)
Simpson (1948)
    • Northampton Shire
      • Northampton
Simpson (1951)
    • Ravensthorpe Shire
      • Ravensthorpe
Simpson (1948)
    • Upper Gascoyne Shire
      • Eudamullah Station
Pryce (1973)
      • Mooloo Downs Station
The Simpson Mineral Collection of the ...
Bridge et al. (1977)
Jacobson et al. (2007) +2 other references
Fetherston et al. (2013)
Bridge et al. (1977)
Fetherston et al. (2013)
Jiang et al. (2002)
      • Retaliation Goldfield
        • Mount Gibson Conservation Reserve
Yeats et al. (1998) +1 other reference
Austria
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
Kolitsch et al. (2019)
  • Carinthia
    • Hermagor District
      • Lesachtal
        • Liesing
Niedermayr et al. (1995)
    • Klagenfurt am Wรถrthersee
      • Ehrentaler Berg
Niedermayr et al. (1994)
    • Sankt Veit an der Glan District
      • Guttaring
        • Ratteingraben
Auer et al. (2017)
      • Hรผttenberg
Niedermayr et al. (1995)
      • StraรŸburg
Meixner (1960)
    • Spittal an der Drau District
      • Millstatt
        • Millstรคtter Alpe
Niedermayr et al. (1995)
      • Spittal an der Drau
        • Lieser ravine
Walter et al. (2024)
    • Villach-Land District
      • WeiรŸenstein
        • Gummern
    • Villach
      • Landskron
        • Landskron castle
Ertl (1995)
    • Wolfsberg District
      • Bad Sankt Leonhard im Lavanttal
        • Kliening
          • Gaisegg
Pichler (2003)
      • Frantschach-Sankt Gertraud
        • Brandrรผcken
        • FraรŸgraben
Niedermayr et al. (1995)
      • Lavamรผnd
        • Lorenzenberg (St Lorenzen)
H. Meixner: Mitteil. Naturw. Verein f. Steiermark III (1931)
      • Preitenegg
B. Moser (2002)
      • Sankt Georgen im Lavanttal
Postl et al. (2021)
      • Wolfsberg
        • Waldenstein
Niedermayr et al. (1995) +1 other reference
  • Lower Austria
    • Horn District
      • Drosendorf-Zissersdorf
        • Wollmersdorf (Zettlitz-Wollmersdorf)
Gรถtzinger et al. (1994) +2 other references
      • Gars am Kamp
        • Wanzenau
Schuster R. et al. (2016) +1 other reference
      • Geras
E. Lรถffler collection
      • Rรถhrenbach
Kolitsch (2025)
    • Krems-Land District
      • Albrechtsberg an der GroรŸen Krems
Meixner (1976) +2 other references
      • Gfรถhl
        • Felling
          • Zwettler Leiten
Lรถffler et al. (2021)
        • Rastbach
Kolitsch (2014)
      • Lichtenau im Waldviertel
        • Brunn am Walde
Kolitsch (2025)
Pristacz et al. (2009)
      • Mรผhldorf
        • Amstall
Kolitsch (2025) +3 other references
Goldmann et al. (2008)
Kolitsch (2021)
      • Paudorf
        • Meidling
Kolitsch et al. (2023)
      • Senftenberg
Ertl (1995)
      • Spitz
Harald Schillhammer collection
      • Weinzierl am Walde
Kolitsch (2008)
        • Maigen
Ertl (1995)
      • WeiรŸenkirchen in der Wachau
        • Arzberg (Atzberg)
Ertl et al. (2002)
    • Melk District
      • Dunkelsteinerwald
Kolitsch et al. (2012)
      • Klein-Pรถchlarn
        • Ebersdorf
Ertl (1995) +2 other references
      • Pรถchlarn
Knobloch et al. (2021)
      • Weiten
        • Am SchuรŸ
Kolitsch et al. (2022)
    • Neunkirchen District
      • Gloggnitz
Kolitsch et al. (2016)
        • Stuppach
Arthofer et al. (2025)
      • Prigglitz
        • Gasteil
Kolitsch et al. (2014)
      • Wartmannstetten
        • Hafning
Elmer (2020)
    • Sankt Pรถlten-Land District
      • Hafnerbach
        • Hengstberg
Kolitsch et al. (2015)
      • Karlstetten
        • Rosenthal
Kolitsch et al. (2023)
      • Obritzberg-Rust
Kolitsch et al. (2023)
    • Waidhofen an der Thaya District
      • Raabs an der Thaya
        • Eibenstein an der Thaya
Kolitsch et al. (2016)
Am Min 90:2-3 pp 481-487 +1 other reference
    • Wiener Neustadt-Land District
      • Kirchschlag in der Buckligen Welt
        • Judenbauer
Kolitsch (2014)
    • Zwettl District
      • Gรถpfritz an der Wild
        • Scheideldorf
Kolitsch (2014)
      • Kottes-Purk
        • Bernhards
Kolitsch (2020)
        • Elsenreith
Kolitsch (2025)
        • Runds
Kolitsch (2025)
        • Tretelhof
Kolitsch et al. (2022)
Kolitsch et al. (2022)
      • Pรถlla
        • Altpรถlla
Andreas Ertl (pers. comm. to Uwe Kolitsch, July 2011)
  • Salzburg
    • Hallein District
      • Scheffau am Tennengebirge
        • Grubach
          • Moosegg
Putz et al. (2004)
    • Tamsweg District
      • Tweng
Kolitsch et al. (2015) +1 other reference
Kolitsch et al. (2025)
Kolitsch et al. (2025)
    • Zell am See District
      • Bramberg am Wildkogel
        • Nasenkopf mountain
          • Leckbachgraben
Strasser (1989)
      • Mittersill
Kolitsch (2020)
      • Neukirchen am GroรŸvenediger
        • Hopffeld area
Kolitsch (2016)
      • Rauris
        • Grieswies - Krumlkeeskopf area
Strasser (1989)
Strasser (1989)
  • Styria
    • Bruck-Mรผrzzuschlag District
      • Bruck an der Mur
Moser et al. (1991)
      • Kapfenberg
Tauscher et al. (2013)
    • Deutschlandsberg District
      • Bad Schwanberg
        • Gressenberg
Postl et al. (2021)
      • Deutschlandsberg
        • Leibenfeld
Postl (2007)
      • Eibiswald
        • Radl pass
Taucher (1997)
    • Hartberg-Fรผrstenfeld District
      • Stubenberg am See
Bernhard et al. (2006)
    • Leibnitz District
      • Oberhaag
        • Lieschengraben
Postl et al. (2019)
    • Leoben District
      • Sankt Stefan ob Leoben
        • Kaisersberg
Auer (2025)
    • Liezen District
      • Sรถlk
        • Kleinsรถlk
F.Bernhard
    • Murau District
      • Sankt Peter am Kammersberg
www.markasit070752.ws24.cc (n.d.)
    • Murtal District
      • Pusterwald
        • Spodumene pegmatites
Neschen (n.d.) +1 other reference
    • Voitsberg District
      • Edelschrott
        • Stampf
Postl (1991)
      • Maria Lankowitz
C.Auer (2020)
Exel (1993)
Postl et al. (2022)
    • Weiz District
      • Anger
        • Naintschgraben
          • Peunt
Reicht M.
        • Rabenwald (Rabenwaldkogel)
Taucher et al. (2001)
      • Rettenegg
        • Prinzkogel (Prinzenkogel)
          • Prinzkogel mines
            • Southern District
Jakely (2008)
  • Upper Austria
    • Rohrbach District
      • Aigen-Schlรคgl
Meixner (1979)
Bhutan
  • Wangdue Phodrang District
Maciฤ…g et al. (2019)
Bolivia
  • Cochabamba
    • Ayopaya Province
XRD by Jaroslav Hyrsl. Structure ...
    • Chapare Province
ลฝรกฤek et al. (1998) +1 other reference
        • Cristalmayu subdistrict
          • Cristalmayu
            • Cristalmayu valley
Petrov (n.d.)
  • La Paz
    • Inquisivi Province
      • Colquiri
Alfonso et al. (2025)
    • Pedro Domingo Murillo Province
Lorin Fassbender et al. (2024)
  • Oruro
    • Cercado Province
      • Oruro
Moricz et al. (2009)
  • Potosรญ
    • Rafael Bustillo Province
      • Llallagua
Ahlfeld et al. (1964)
Bosnia and Herzegovina
  • Republika Srpska
    • Srebrenica
Radosavljevic et al. (2005)
Brazil
  • Bahia
    • Brumado
      • Serra das ร‰guas
Cassedanne et al. (1978)
Lavinsky (n.d.)
Cassedanne et al. (1978)
Barbosa et al. (2000)
    • Campo Formoso
Kuno Stoeckli
  • Espรญrito Santo
    • Barra de Sรฃo Francisco
Rafael Hernandes Corrรชa-Silva .
  • Goiรกs
    • Montividiu do Norte
Queiroz (2016)
  • Maranhรฃo
    • Godofredo Viana
      • Aurizona
        • Aurizona Mine
Sioeira et al. (1982)
Queiroz (2016) +1 other reference
  • Minas Gerais
    • Coronel Murta
probably erroneously reported [MinRec ...
Russ Rizzo Collection (acquired from Luiz Menezes)
    • Mariana
      • Passagem de Mariana
Oberthรผr et al. (2008)
    • Nova Lima
Lobato et al. (2001)
    • Ouro Preto
      • Antรดnio Pereira
Cabral et al. (2002)
  • Parรก
    • Curionรณpolis
NetunoVillas et al. (2001)
  • Rio Grande do Norte
    • Currais Novos
Bull. Soc. Franรง. Minรฉralo. ...
    • Parelhas
Beurlen et al. (2005) +1 other reference
Beurlen et al. (2008) +1 other reference
Beurlen +4 other references
      • Turmalina de Cima farm
Beurlen +3 other references
  • Rio Grande do Sul
    • Vila Nova do Sul
Massuda et al. (2020) +1 other reference
  • Tocantins
Coelho et al. (2025)
Bulgaria
Petrusenko et al. (1996)
  • Sofia Province
    • Samokov Municipality
      • Dolni Okol
Vasil Arnaudov et al. (2003)
Burkina Faso
  • Centre-Sud Region
    • Zoundweogo Province
      • Guiba Department
Fontaine et al. (2017)
Canada
  • British Columbia
    • Fort Steele Mining Division
      • Kimberley
- (1998)
    • New Westminster Mining Division
      • Giant Copper deposit
Fischer et al. (2023)
    • Revelstoke Mining Division
      • Boulder Mountain Pegmatite Group
Breasley et al. (2024)
      • Revelstoke
Dixon et al. (2014) +1 other reference
    • Slocan Mining Division
      • Sandon
Mauthner et al. (1996)
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Selway et al. (2000)
    • Red Cross Lake
Cerny et al. 2012 +1 other reference
  • Northwest Territories
    • Mackenzie Mountains
      • Tungsten (Cantung)
Lake et al. (2017)
Groat et al. (2003)
Geological Association of Canada (2014)
    • North Slave Region
      • Great Bear Lake
        • DeVries Lake
Ootes (2007)
    • O'Grady Lake area
Scribner et al. (2018)
  • Nova Scotia
    • Cape Breton Co.
Lynch et al. (1997)
Owen +3 other references
    • Cumberland Co.
      • Greenhill
Ronnie Van Dommelen collection
    • Halifax Co.
Don Doell identifications using Raman ...
Kontak et al. (1993)
  • Ontario
162-165. +1 other reference
    • Cochrane District
      • Timmins
        • Kidd Township
Kidd Operations
    • Frontenac County
Montgomery (n.d.)
Montgomery (n.d.)
    • Haliburton County
      • Highlands East Township
        • Monmouth Township
www.geologyontario.mndm.gov.on.ca (n.d.)
    • Hastings County
      • Centre Hastings Municipality
Sorrell (n.d.)
        • Madoc
Maggie Wilson photo
      • Town of Bancroft
        • Dungannon Township
Rocks & Min. (2007)
    • Kawartha Lakes
Jacob Stanaszek Collection
    • Kenora District
Avalon Advanced Materials Inc.
    • Lanark County
analysis by Kerry Day (Cambridge S100 SEM, a XR-100-CR pin diode detector and DTSA software)
    • Leeds and Grenville Counties
      • Bastard Township
Alan Steinberg
    • Lennox and Addington County
      • Stone Mills Township
        • Camden East Township
Chamberlain et al. (1982)
    • Nipissing District
      • Phyllis Township
Colvine (1974)
    • Ottawa
Kerry Day
    • Renfrew County
      • Brudenell-Lyndoch-and-Raglan
        • Lyndoch Township
          • Quadeville area
MDI Number: MDI31F03NW00061 +1 other reference
  • Quรฉbec
    • Abitibi-Tรฉmiscamingue
      • Rouyn-Noranda TE
Daver et al. (2020)
    • Laurentides
      • Les Pays-d'en-Haut RCM
        • Saint-Sauveur
Donald Doell Mineral Collection
    • Montรฉrรฉgie
      • La Vallรฉe-du-Richelieu RCM
        • Mont Saint-Hilaire
Horvรกth et al. (1990)
    • Nord-du-Quรฉbec
      • Jamรฉsie
        • Baie-James
          • Otish Mountains
Alexandre et al. (2014) +1 other reference
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Chelsea
          • Autoroute 5
            • Autoroute 5 extension
              • Autoroute 5 roadcuts
Can. Museum of Nature specimens - WDS ... +1 other reference
      • Pontiac RCM
Belley (2013) +1 other reference
  • Saskatchewan
    • Athabasca Basin
Bruneton (1987)
Ruhrmann (1987)
... +1 other reference
Cloutier et al. (2009)
      • Patterson Lake
Mark Hatton (2021)
applications.saskatchewan.ca (n.d.)
Boulanger (2012)
gac.esd.mun.ca (n.d.)
      • Wheeler River Project
SRK Consulting (Canada)
  • Yukon
    • Watson Lake mining district
Can Min (2002)
Chile
  • Atacama
    • Chaรฑaral Province
      • Diego de Almagro
        • San Pedro de Cachiyuyo mining district
          • Delirio mine
SEM-EDS by Joy Desor and Gerhard Mรถhn
    • Copiapรณ Province
      • Copiapรณ
        • Cachiyuyo de Llampos mining district
          • Carrera Pinto
samples analysed by Gerhard Mohn and ...
SEM-EDS by Joy Desor
samples analysed by Gerhard Moehn.
Miranda-Dรญaz et al. (2022)
      • Tierra Amarilla
        • Pampa Larga mining district
          • Alacrรกn
SEM-EDS by Joy Desor
  • Santiago Metropolitan Region
    • Santiago Province
Anglo American plc
China
  • Anhui
    • Ma'anshan
      • Yushan District
Shen (n.d.)
  • Fujian
    • Nanping
      • Yanping District
        • Nanping pegmatite field
Yueqing Yang et al. (1987)
  • Gansu
    • Gannan
      • Hezuo Co.
        • Dewulu Au-Cu ore field
Jin +2 other references
    • Longnan
      • Liangdang Co.
Teng et al. (2025)
  • Guangxi
    • Nandan-Hechi Sn-W metallogenic belt
Jiang et al. (1999)
  • Guizhou
    • Guiyang
      • Qingzhen County
Luo et al. (2023)
  • Inner Mongolia
    • Baotou City
      • Bayan Obo mining district
Qingchang Meng (1981)
  • Jilin
    • Tonghua
      • Ji'an Co.
Yang et al. (2023)
  • Qinghai
    • Haixi Mongol and Tibetan Autonomous Prefecture
      • Golmud City (Ge'ermu Co.)
Zhang Dequan et al. (2002)
  • Shaanxi
    • Baoji
      • Taibai County
Defeng Hui and Naiwu Zhu (2001)
    • Shangluo
      • Shanyang County
Jiang et al. (1995)
      • Zhashui County
Jiang et al. (1995)
  • Sichuan
    • Garzรช Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Yajiang County
        • Kangding pegmatite field
Qin et al. (2023)
Xuemin et al. (2026)
    • Mianyang
      • Pingwu Co.
        • Mount Little Xuebaoding
          • Huya township
Zhu +2 other references
    • Panzhihua
      • Xi District
Denghong Wang et al. (2005)
  • Tibet
    • Lhasa
      • Maizhokunggar Co. (Mozhugongka Co.)
Zhao et al. (2025)
    • Xigazรช Prefecture (Rikaze Prefecture; Shigatse Prefecture)
      • Tingri Co. (Dingri Co.)
Li et al. (2025)
  • Xinjiang
    • Bayin'gholin Autonomous Prefecture
      • Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.)
Zhang et al. (2026)
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Yizhou District
        • Yamansu
Sun +3 other references
    • Hotan Prefecture
      • Hetian Co. (Khotan Co.; Hotan Co.; Hoten Co.)
Yao et al. (2024)
    • Ili Kazakh Autonomous Prefecture
      • Altay Prefecture (Aletai Prefecture)
        • Fuyun Co. (Koktokay Co.)
          • Koktokay pegmatite field (Keketuohai pegmatite field)
            • Altay Mine
Sun et al. (2024)
Xiuhua Li et al. (1996)
  • Yunnan
    • Dali
      • Yunlong County
        • Lancang river valley (Lancangjiang valley; Mekong valley)
Cunlin Liu et al. (1987) +1 other reference
    • Honghe
      • Gejiu City
Runxing Jia et al. (2010)
          • Laochang ore field (Laochang Mine)
Xu et al. (2025)
    • Wenshan
      • Wenshan City
Chen et al. (2025)
Czech Republic
  • Central Bohemian Region
Litochleb et al. (2000)
    • Kutnรก Hora District
      • Vlastฤ›jovice
Gadas et al. (2011)
      • Vlkaneฤ
Povondra et al. (eds.) +1 other reference
    • Prague-West District
      • Psรกry
Loun et al. (2011)
    • Pล™รญbram District
      • Krรกsnรก Hora nad Vltavou
        • Kraลกovice
Litochleb (1995)
  • Hradec Krรกlovรฉ Region
    • Trutnov District
      • Pec pod Snฤ›ลพkou
P.Pauliลก et al. (ฤŒ.Budฤ›jovice)
  • Karlovy Vary Region
Ondruลก et al. (2003)
    • Karlovy Vary District
ล˜ehoล™
  • Olomouc Region
    • Jesenรญk District
      • Ostruลพnรก
        • Petล™รญkov
Losos et al. (1998)
    • ล umperk District
      • Brannรก
Novรกk (2003)
      • Mohelnice
        • ล˜epovรก
Dolnรญฤek et al. (2019)
      • Novรฝ Malรญn
Novotnรฝ
      • Petrov nad Desnou
Zimรกk
      • Starรฉ Mฤ›sto
        • Malรฉ Vrbno
Losos et al. (1998)
  • Pardubice Region
    • Pardubice District
Prachaล™ +6 other references
  • Plzeลˆ Region
    • Klatovy District
      • Suลกice
Hofmanovi P. a R.: Pล™รญspฤ›vek k ...
  • South Bohemian Region
    • ฤŒeskรฉ Budฤ›jovice District
Welser +5 other references
    • ฤŒeskรฝ Krumlov District
      • ฤŒernรก v Poลกumavรญ
        • Bliลพnรก
Novรกk et al. (1999)
Zikeลก et al. (2011)
      • Kremze
        • Mล™รญฤ
Zikeลก
    • Pรญsek District
      • Protivรญn
Novรกk
Historic mineral collection National ...
    • Tรกbor District
      • Dolnรญ Hoล™ice
Vrรกna
  • South Moravian Region
    • Brno-Country District
Houzar
    • Znojmo District
Cempรญrek et al. (2004)
Nฤ›mec (jihozรกpadnรญ Morava)
  • รšstรญ nad Labem Region
    • Chomutov District
      • Mฤ›dฤ›nec
Hyrsl et al. (2009)
    • Litomฤ›ล™ice District
      • Chotimฤ›ล™
Radoลˆ M. et al.: Doฤasnรฉ ...
  • Vysoฤina Region
    • Havlรญฤkลฏv Brod District
Pauliลก P. Nejzajรญmavฤ›jลกรญ ...
    • Jihlava District
Nemec (1989)
    • Tล™ebรญฤ District
      • ลฝeletava
        • Bรญtovรกnky
Cempรญrek et al. (2013)
    • ลฝฤรกr nad Sรกzavou District
      • Bory
        • Hornรญ Bory
Pauliลก +5 other references
Burianek et al. (2004)
Houzar +6 other references
Sekanina (1965) +1 other reference
Baฤรญk et al. (2012)
Flรฉgr et al. (2016)
      • Roลพnรก
Mineralienwelt 1993 (1)
Petr Pauliลก
Novรกk +3 other references
P. Pauliลก (2001)
P. Pauliลก (2001)
ฤŒernรฝ P.
      • Vฤ›ลพnรก
www.cseg.ca/conferences/2000/556.PDF. +1 other reference
DR Congo
  • North Kivu
Jedwab et al. (1992)
Eswatini
  • Lubombo Region
Trumbull (1995)
Ethiopia
  • Benishangul-Gumuz Region
    • Asosa Zone
Pavel.M. Kartashov (n.d.)
Finland
  • Central Finland
    • Pihtipudas
      • Ritovuori
Grรถnholm
  • Kanta-Hรคme
    • Forssa
Ilkka Mikkola collection
Ilkka Mikkola collection
    • Hรคmeenlinna
Ilkka Nmikkola collection
  • Lapland
    • Ylitornio
      • Rajapalot
Epigenetic gold occurrence in a Paleoproterozoic meta-evaporitic sequence in the Rompas-Rajapalot Au system et al. (1)
  • North Karelia
[var: Chromium-bearing Dravite] Peltola et al. (1968)
  • North Ostrobothnia
    • Kuusamo
Vasilopoulos et al. (2021)
  • North Savo
[var: Chromium-bearing Dravite] Dunn (1977)
[var: Chromium-bearing Dravite] Huhma & Aarto (1964)
  • Pirkanmaa
    • Orivesi
      • Erรคjรคrvi area
Sandstrรถm et al. (2009)
  • South Ostrobothnia
    • Kuortane
Lahti +1 other reference
France
  • Auvergne-Rhรดne-Alpes
    • Allier
      • Vichy
Blondieau et al. (2024)
Blondieau et al. (2024)
    • Savoie
      • Albertville
        • Aime-la-Plagne
          • Granier
Bรฉreyziat et al. (2025) +1 other reference
        • Les Belleville
          • Saint-Martin-de-Belleville
            • Le Chรขtelard
De Ascenรงรฃo Guedes et al. (2015)
      • Saint-Jean-de-Maurienne
        • Bessans
Chopin (1978)
        • Bonneval-sur-Arc
Chopin (1978)
De Ascenรงao Guedes et al. (2011)
  • Corsica
    • Haute-Corse
      • Bastia
        • Canari
  • Grand Est
    • Bas-Rhin
      • Molsheim
        • Rothau
Wittern et al. (1997)
  • Occitanie
    • Ariรจge
      • Foix
        • Arignac
Descouens (1984) +2 other references
        • Bรฉdeilhac-et-Aynat
Inventaire mineralogique de l'Ariege (Ed. BRGM)
        • Miglos
Queneau (n.d.)
      • Saint-Girons
        • Betchat
www.geologie-tournefeuille.com (2004)
        • Seix
          • Salau
C. Derrรฉ
        • Soueix-Rogalle
          • Saint-Sernin
Pรฉrinet (n.d.)
    • Aude
      • Narbonne
        • Leucate
          • Grau de Leucate
Heavy sands collected by Christian ...
    • Haute-Garonne
      • Saint-Gaudens
        • Cassagne
Laurent J-M. (2002)
Pierrot et al. (1978)
        • Saint-Bรฉat-Lez
Patrice Queneau Collection
    • Lozรจre
      • Mende
J.P. Couturiรฉ : "Le Massif Granitique de La Margeride (Massif Central Franรงais)
    • Pyrรฉnรฉes-Orientales
      • Cรฉret
Berbain et al. (2005)
        • L'Albรจre
Guitard (2010)
Guitard (2010)
      • Perpignan
        • Sainte-Marie-la-Mer
Heavy sands collected by Christian ...
      • Prades
Guitard (2010)
Guitard (2010)
  • Pays de la Loire
    • Loire-Atlantique
      • Nantes
Benjamin Dupont Collection
Carballo (2013)
    • Vendรฉe
      • Les Sables-d'Olonne
        • Chรขteau d'Olonne
Queneau (n.d.)
  • Provence-Alpes-Cรดte d'Azur
    • Var
      • Draguignan
        • Rayol-Canadel-sur-Mer
Georges FAVREAU collection and EDX ...
      • Toulon
        • Le Pradet
Georges FAVREAU collection & EDX ... +2 other references
Favreau et al. (2024)
Favreau et al. (2024)
Germany
  • Baden-Wรผrttemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
70. +1 other reference
  • Bavaria
    • Lower Bavaria
      • Freyung-Grafenau District
        • Rรถhrnbach
Habel (2009)
      • Passau District
        • Hauzenberg
          • Kropfmรผhl
Habel (2011)
        • Untergriesbach
Habel (2007)
      • Regen District
        • Arnbruck
WeiรŸ (1990)
        • Bรถbrach
Grimm (1991)
    • Lower Franconia
      • Aschaffenburg District
        • Mรถmbris
Erik Hock
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Pleystein
Dill et al. (2012)
Dill et al. (2008)
        • Waidhaus
Dill et al. (2008)
        • Windischeschenbach
          • Oberbaumรผhle
Schwarzmeier et al. (2015) +2 other references
  • Brandenburg
    • Oberspreewald-Lausitz
      • Senftenberg
Giesler et al. (2020)
  • Hesse
    • Darmstadt
      • Darmstadt-Dieburg
        • Mรผhltal
          • Nieder-Ramstadt
            • Kirchberg
Lapis 34 (7-8)
  • Lower Saxony
    • Goslar District
      • Bad Harzburg
        • Radau valley
  • Rhineland-Palatinate
    • Donnersbergkreis
      • Nordpfรคlzer Land
        • Obermoschel
Gerhard Mรถhn Collection Analyzed by ...
    • Rhein-Lahn-Kreis
      • Lahnstein
        • Friedrichssegen
Lapis 38 (5) +1 other reference
  • Saxony-Anhalt
    • Harz
      • Thale
        • Thale
Joy DESOR EDX analysis
  • Saxony
    • Bautzen District
      • Cunewalde
        • Schรถnberg
Witzke et al. (2008)
    • Erzgebirgskreis
      • Ehrenfriedersdorf
Wittern (2001)
      • Marienberg
        • Lauta
Hajek (2010)
Lapis 30 (7/8)
    • Gรถrlitz District
      • Lawalde
        • Kleindehsa
Witzke et al. (2008)
      • Lรถbau
Witzke et al. (2006)
    • Mittelsachsen
      • Penig
Bartnik (1992)
      • Waldheim
Thomas et al. (2022)
    • Zwickau District
      • Limbach-Oberfrohna
        • Pegmatite occurrences
HAAKE et al. (1994)
  • Schleswig-Holstein
    • Schleswig-Flensburg
      • Schuby
Wittern (2001)
Ghana
  • Central Region
    • Effutu Municipal District
      • Winneba Pegmatite Field
Goodenough et al. (2025)
Greece
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Mercati mines
SEM-EDS by Joy Desor and Gerhard Mรถhn
        • Km 3
          • Kaminiza mines
Uwe Kolitsch (SEM-EDS analyses, to be published)
  • South Aegean
    • Syros-Ermoupoli
Marschall et al. (2004)
    • Tinos
      • Tinos Island
        • Panormos Bay
Fรคrber (n.d.)
Greenland
  • Kujalleq
Geology and Ore no. 10
  • Sermersooq
    • Nuuk
      • Ameralik Fjord
Petersen
Guyana
  • Cuyuni-Mazaruni Region
    • Omai
Mahdia Gold Corporation
Honduras
  • Olancho Department
    • Juticalpa Municipality
Alunno S et al. (2014)
Hungary
  • Fejรฉr County
    • Szรฉkesfehรฉrvรกr District
      • Pรกtka
 ...
  • Heves County
    • Gyรถngyรถs District
      • Gyรถngyรถstarjรกn
Sรกndor et al. (2005)
  • Pest County
    • Szob District
Koch (1985)
Szakรกll et al. (1996)
Geoda
India
  • Karnataka
    • Gadag District
Sarma et al. (2004)
Pal et al. (2025)
Devaraju et al. (1999)
  • Maharashtra
    • Nagpur Division
      • Bhandara District
Meshram et al. (2012)
  • Odisha
    • Koraput District
Sharon Cisneros and Brian Kosnar ...
  • Rajasthan
    • Bhilwara District
Deb et al. (1997) +2 other references
    • Jaipur district
      • Sikar District
Rout et al. (2022)
    • Udaipur Division
      • Banswara District
Anand et al. (2022)
Indonesia
  • West Java Province
    • Garut Regency
Etzel et al. (2015)
Iran
  • Markazi Province
    • Shazand County
Nezafatis (2006)
Ireland
  • Leinster
Barros et al. (2022)
Italy
  • Aosta Valley
    • Nus
      • Saint-Barthรฉlemy
AMI UK Service
    • Valtournenche
      • Breuil-Cervinia
Piccoli et al. (2007)
Piccoli et al. (2007)
  • Calabria
    • Metropolitan City of Reggio Calabria
      • Taurianova
analyzed in Messina University
  • Lazio
    • Viterbo Province
Lapis 28 (12)
  • Liguria
    • La Spezia Province
      • Borghetto di Vara
Analyses of Anthony Kampf of Natural ... +1 other reference
    • Savona Province
      • Calizzano
First identified by Matteo Azili and ...
      • Magliolo
Castellaro-Kampf
  • Lombardy
    • Bergamo Province
      • Branzi
Maida (2002)
Maida (2002)
Natale Calanchi (1980)
    • Lecco Province
      • Dorio
Magistretti L. (1946) +3 other references
    • Sondrio Province
      • Campodolcino
Bedognรจ et al. (2006)
      • Lanzada
        • Campo Moro Valley
Bedognรจ et al. (1993)
        • Scerscen Valley
Bedognรจ et al. (1993)
      • Madesimo
Bedognรฉ et al. (1995)
Bedognรจ et al. (2006)
      • Novate Mezzola
- (n.d.)
Ghizzoni et al. (2005)
      • Piateda
Zanchetta et al. (2022)
      • Torre di Santa Maria
        • Torreggio Valley
          • Airale Valley
Bedognรจ et al. (2006)
Bedognรจ et al. (1993)
      • Villa di Chiavenna
Bedognรฉ et al. (1995)
    • Varese Province
      • Cuasso al Monte
        • Cavagnano
F. Brignoli collection 2010 +1 other reference
  • Piedmont
    • Biella Province
      • Campiglia Cervo
        • San Paolo Cervo
Martini et al. (2012)
Martini et al. (2012)
      • Curino
Franco Luca Bonino's collection
    • Cuneo Province
      • Bagnolo Piemonte
Marello et al. (2020)
Marello et al. (2020)
      • Brossasco
        • Gilba Valley
Piccoli et al. (2007)
Mandarino (1996)
Simone Ferrero collection.
Giuseppe Finello collection
    • Metropolitan City of Turin
      • Bussoleno
Franco Luca Bonino's collection
      • Prali
Piccoli et al. (2007)
      • Usseglio
Deidda et al. (2022)
      • Viรน
        • Col San Giovanni
SEM-EDS + Gandolfi XRD: SIUK AMI โ€“ ...
Chrysovalantis Efstathiou
      • Armeno
        • Coiromonte
ALBERTINI C. (2014)
    • Verbano-Cusio-Ossola Province
      • Baceno
        • Croveo
Piccoli et al. (2007)
      • Beura-Cardezza
Spezia (1881-1882) +1 other reference
Bonino Franco Luca's Collection +2 other references
      • Bognanco
Cuchet et al. (2022)
      • Crevoladossola
Preite et al. (1995)
      • Crodo
Roggiani (1975) +1 other reference
      • Domodossola
        • Trontana
Piccoli et al. (2007)
      • Formazza
Mattioli (1979)
Mattioli V. (1976) +2 other references
Angelo Brambilla Collection
Mattioli (1979)
Mattioli (1979)
Mattioli (1979) +1 other reference
        • Sabbione Glacier area
Alberto Vaghi specimen
      • Montescheno
Piccoli et al. (2007)
      • Ornavasso
V. Mattioli (1978)
      • Re
Boscardin et al. (2013)
      • Trontano
        • Pizzo Marcio
Mattioli (1979 b) +3 other references
      • Villadossola
Rivista Mineralogica Italiana
  • Sardinia
    • Sassari Province
      • La Maddalena
        • La Maddalena Island
Billows (1941)
      • Olbia
Gamboni et al. (2021)
  • Trentino-Alto Adige/Sรผdtirol
    • Trento Province
      • Predazzo
Vecchi et al. (2013)
      • Rabbi
        • Ceresรจ
Vignola et al. (2018)
      • Vignola-Falesina
Gasparetto et al. (2014)
  • Tuscany
    • Grosseto Province
      • Isola del Giglio
        • Giglio Island
Fei (2010)
Marinai
    • Livorno Province
      • Campiglia Marittima
        • Botro ai Marmi
Nannoni et al. (2008)
    • Lucca Province
      • Stazzema
        • Pontestazzemese
Orlandi et al. (2004)
    • Massa-Carrara Province
Orlandi et al. (2009)
        • Monte Brugiana north slope
Orlandi et al. (1976) +1 other reference
      • Fivizzano
        • Sassalbo
Bersani et al. (2006)
Orlandi et al. (2009)
Orlandi et al. (2009)
Japan
  • Ehime Prefecture
    • Niihama City
      • Besshi
Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
    • Shikokuchuo City
- (n.d.)
  • Fukushima Prefecture
    • Sukagawa City
      • Mt Uzumine (Utsumine)
Nakajima et al. (2006)
  • Gifu Prefecture
    • Nakatsugawa City
      • Hirukawa
Yamada (2004)
  • Hiroshima Prefecture
Kitahara (1966)
  • Hokkaidล Prefecture
    • Okhotsk Subprefecture
      • Tokoro District
        • Oketo town
Watanabe J and Hasegawa K (1986)
  • Iwate Prefecture
    • Hanamaki City
- (n.d.)
  • Nagano Prefecture
    • Chino City
[var: Chromium-bearing Dravite] Akira Harada et al. (2010)
  • Oita Prefecture
    • Bungo-Ono City
R. Tanaka
Uehara et al. (2014)
  • Saga Prefecture
    • Karatsu City
      • Kyuuragi-machi
Uehara et al. (2014)
  • Saitama Prefecture
    • Chichibu City
      • Ohtaki-mura
        • Nakatsugawa
- (n.d.)
  • Tochigi Prefecture
    • Kanuma City
Akira Kato (undated manuscript)
  • Tottori Prefecture
    • Hino District
      • Nichinan
Bamba (1978)
  • Yamanashi Prefecture
    • Kinpuzan mining district
      • Koshu City
        • Enzan
Petrov (n.d.)
Kenya
  • Kajiado County
Taran et al. (2015)
  • Narok County
Phys. Chem. Miner. 14 (1984)
  • Taita-Taveta County
    • Voi
      • Mwatate Kabanga
[var: Chromium-bearing Dravite] Betts (n.d.)
      • Tsavo West
Simonet (2000)
Simonet (2000)
Madagascar
  • Androy
    • Bekily District
      • Bekitro
Yang et al. (2024)
  • Anosy
    • Amboasary Sud District
      • Tranomaro
Bruyรจre et al. (2016)
    • Betroka District
      • Tsaraitso
        • Ambaro
Marko Burkhardt Collection
  • Atsimo-Andrefana
    • Benenitra District
      • Ianapera
Andrianjakavah et al. +2 other references
Di Cecco (2013) +1 other reference
  • Atsinanana
    • Brickaville District
Behier (1963)
  • Ihorombe
    • Ihosy District
      • Sahambano
Behier (1963)
Ranorosoa (1986)
  • Vakinankaratra
    • Antsirabe II District
      • Ibity
        • Sahatany Valley
Ranorosoa (1986)
Ranorosoa (1986)
Ranorosoa (1986)
Ranorosoa (1986)
      • Manandona
Knut Edvard Larsen collection # MM-1485 (not analyzed)
      • Mangarano
Ranorosoa (1986)
Ranorosoa (1986)
      • Sahanivotry Manandona
Ranorosoa (1986)
    • Betafo District
      • Ambohimanambola
Pezzotta et al. (2005) +1 other reference
      • Tritriva
Ranorosoa (1986)
Mali
  • Kayes Region
    • Kayes Cercle
      • Sadiola Commune
Masurel et al. (2017)
    • Kรฉniรฉba Cercle
Randgold Resources
Mexico
Betts (n.d.)
    • Ensenada Municipality
Panczner (1987)
  • Sonora
    • Cananea Municipality
      • Cananea
Jones et al. (2021) +1 other reference
    • Santa Cruz Municipality
Peter Megaw (pers. comm. to Rolf Luetcke, 2019)
Van Nostrand Rdinhold Co. +2 other references
Panczner (1987)
Morocco
  • Fรจs-Meknรจs Region
    • El Hajeb Province
      • Agourai Cercle
        • Sebt Jahjouh Caรฏdat
Mahjoubi et al. (2016)
Mozambique
  • Nampula Province
    • Mogovolas District
      • Mavuco
Bosi et al. (2025)
  • Zambezia Province
    • Gilรฉ District
      • Muiane-Naipa group
Myanmar
  • Mandalay Region
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Kyauk-Pyat-That
          • Thurein-taung
Themelis (2008)
        • Mogok Valley
          • Dattaw-taung (Dattaw hill)
Themelis (2008)
Mountain Minerals International specimen
        • Pein-Pyit (Painpyit; Pyan Pyit)
Pavel M. Kartashov analytical data
  • Shan State
    • Loilen District
Garnier et al. (2002)
Namibia
  • Erongo Region
    • Dรขures Constituency
Bezing et al. (2007)
Bezing et al. (2007)
    • Omaruru Constituency
von Bezing (2007)
  • Khomas Region
    • Windhoek Rural
Sun (2006)
  • Kunene Region
    • Khorixas
      • Mesopotamia copper valley
Niedermayr (2001)
Nepal
  • P1 Koshi Pradesh
    • Taplejung District
      • Phaktanglung
        • Ikhabu Pegmatite Field
Bhandari et al. (2022)
  • P3 Bagmati Pradesh
    • Dhading District
Cooper (1997)
  • P4 Gandaki Pradesh
- (n.d.)
  • P6 Karnali Pradesh
- (n.d.)
      • Chhedagad
Richard Dale Collection
New Zealand
  • Waikato Region
    • Thames-Coromandel District
Grice et al. (1989)
  • West Coast Region
    • Westland District
GRAPES et al. (1996)
Nigeria
  • Oyo
    • Atisbo
      • Komu pegmatites
Jimoh (2016)
North Korea
  • South Hamgyong Province
    • Hochon county
      • Sangnong worker's district
Ogura (1969)
    • Tanchon City
      • Suha-myon
        • Sangpung-ni
Ogura (1969)
Norway
  • Agder
    • Arendal
      • ร˜yestad
Kolitsch et al. (2011)
    • Risรธr
      • Akland
Garmo (2003) +1 other reference
      • Sรธndeled
Breivik (2001)
  • Akershus
    • Asker
Eldjarn (2008)
  • Buskerud
    • Modum
      • Modum West
Rosenquist (1949)
Nelen et al. (1977) +1 other reference
    • Nore og Uvdal
Larsen et al. (1999)
      • Rรธdberg
Larsen et al. (1999)
    • ร˜vre Eiker
      • Gunhildrud
Jahren et al. (1998)
  • Innlandet
    • Lom
Wilke (1976)
    • Skjรฅk
Garmo (2007)
  • Nordland
Larsen et al. (1999)
Larsen et al. (1999)
    • Hamarรธy
Kolitsch et al. (2013)
    • Hemnes
      • Bleikvasslia
Larsen et al. (1999)
Larsen et al. (1999)
    • Lรธdingen
Larsen et al. (1999)
    • Narvik
      • Ballangen
        • Rรฅna
Larsen et al. (1999)
      • Kjรธpsvik
Tomas Husdal - collection
    • Rana
      • Altermark area
Stuart Mills 17.11.2002
Stuart Mills 17.11.2002
Larsen et al. (2013)
  • Telemark
    • Bamble
Nelen et al. (1977) +1 other reference
Neumann et al. (1960) +1 other reference
Wel (1973)
      • Havredal
        • Midtre Havredal
de La Cruz Rodrigues (2021) +1 other reference
Larsen et al. (1999) +1 other reference
    • Kragerรธ
Larsen et al. (1999)
      • Sannidal
Larsen et al. (2009)
      • Valberg
Nordrum (2000)
    • Kviteseid
Larsen et al. (2020)
    • Porsgrunn
      • Mule
Larsen et al. (2021)
    • Seljord
      • Svartdal
Larsen et al. (2020)
    • Tokke
      • Dalen
        • Dalen Molybdenum and Copper Mines
Larsen et al. (2020)
Larsen et al. (2020)
      • Eidsborg
Larsen et al. (1999) +1 other reference
      • Tjostolvflaten
Larsen et al. (2020)
  • Troms og Finnmark
    • Hasvik
      • Breivik
Bรธe (2001)
    • Karlsรธy
Bรธe (2000) +2 other references
Nordrum (1999)
    • Tromsรธ
Nordrum (2012)
  • Trรธndelag
    • Oppdal
Witsรธ (1995)
Nordrum (2009)
Witsรธ (1994)
      • Vinstradalen
Witsรธ (2005)
Pakistan
  • Gilgit-Baltistan
    • Astore District
- (2004)
  • Khyber Pakhtunkhwa Province
    • Mansehra District
      • Kaghan Valley
Jan et al. (1995)
    • Shangla District
Arif et al. (1996) +2 other references
Peru
  • Ancash
    • Bolognesi Province
      • Aquia District
Karel Bal Collection
  • Ayacucho
    • Lucanas Province
      • Huac-huas District
Roth et al. (2012)
  • Puno
    • Melgar Province
Corthay et al. (2014)
Mlynarczyk (2005) +1 other reference
Poland
  • Lower Silesian Voivodeship
    • Dzierลผoniรณw County
      • Piล‚awa Gรณrna
        • DSS Piล‚awa Gรณrna Quarry
SZUSZKIEWICZ et al. (2013)
    • Kamienna Gรณra County
      • Gmina Kamienna Gรณra
        • Rฤ™dziny
Majka J. et al. (2008)
    • Karkonosze County
      • Kowary
Sฤ™k et al. (2023)
Sฤ™k
Domaล„ska-Siuda J. 2010: New data on secondary uranium minerals from the Western Sudetes (Poland)
    • Strzelin County
      • Gmina Przeworno
        • Krzywina
Lis et al. (1986)
    • Wrocล‚aw County
      • Gmina Jordanรณw ลšlฤ…ski
Pieczka A. et al. (1996) +1 other reference
    • Zฤ…bkowice ลšlฤ…skie County
      • Gmina Ciepล‚owody
Lis et al. (1986)
      • Gmina Zฤ…bkowice ลšlฤ…skie
        • Szklary
Pieczka (2007) +3 other references
  • Silesian Voivodeship
    • Pszczyล„a County
Szopa +4 other references
Szopa +4 other references
Portugal
  • Aveiro
    • Albergaria-a-Velha
      • Branca
Marques de Sรก et al. (2010)
Figueiras +4 other references
  • Viana do Castelo
    • Ponte da Barca
      • Touvedo (Sรฃo Lourenรงo e Salvador)
Self-find by Nuno Afonso +1 other reference
    • Ponte de Lima
Alves (n.d.)
  • Viseu
    • Vila Nova de Paiva
Dias et al. (2009)
Romania
  • Arad County
    • HighiลŸ Massif
Varga et al. (2023)
  • CaraลŸ-Severin County
    • Brebu
Hรขrtopanu et al. (1996)
Szakรกll (2002)
  • Harghita County
    • Sรขntimbru
Pintea et al. (2005)
  • Maramureศ™ County
    • Tรขrgu Lฤƒpuศ™
Paulina HIRTOPANU & Gheorghe UDUBASA (2015) +2 other references
  • Sibiu County
    • Lotru-Cibin Mountains
Androne D.A.M. et al. (2004)
Russia
  • Chelyabinsk Oblast
    • Karabash
Scott (2012)
    • Kunashaksky District
Plotinskaya et al. (2020)
    • Miass
Sorokina et al. (2019)
    • Plastovsky District
      • Svetlyi
Korinevsky et al. (2022)
    • Sosnovsky District
Plotinskaya et al. (2014)
  • Chukotka Autonomous Okrug
    • Bilibinsky District
Nagornaya et al. (2021)
      • Vesenniy
        • Nakhodka ore field
Chitalin et al. (2023)
Mineralogy of the Peschanka porphyry copper deposit et al. (Trans. Inst. Min. Metall. B)
  • Khabarovsk Krai
    • Ayano-Maysky district
Lennikov et al. (2004)
Pekin et al. (2010) +1 other reference
  • Murmansk Oblast
    • Polyarnyy
      • Greater Eastern Litsa ore field
Ivanyuk et al. (2008)
[World of Stones 12:49]
  • Slyudyanka
Reznitsky et al. (2013) +2 other references
  • Sverdlovsk Oblast
    • Asbest
Erokhin et al. (2014)
    • Beryozovsky
I.A. Baksheev and O.E. Kudryavtseva (2004) +2 other references
Baksheev et al. (2004)
    • Malyshevo
Pavel.M. Kartashov (n.d.)
Pavel.M. Kartashov (n.d.)
ะŸะพะฟะพะฒ et al. (2018)
    • Rezhevsky District
      • Lipovsk pegmatite field
I.A. Baksheev and O.E. Kudryavtseva (2004) +1 other reference
    • Sysertsky District
S.Kolesnichenko
    • Yekaterinburg
      • Shabrovskoe deposit
according last founds on this point
      • Shabry village
Mishainik
  • Tuva
    • Pi-Khem District
Baksheev et al. (2025)
    • Sut-Kholsky District
      • Aldan-Maadyr ore cluster
Kuzhuget et al. (2015)
Kuzhuget et al. (2022)
  • Zabaykalsky Krai
    • Krasnochikoysky District
      • Krasnyi Chikoy
Lees et al. (2019)
      • Menza District
Grant (2001)
    • Nerchinsky District
      • Adun-Cholon Range
Kasatkin et al. (2014)
    • Tungokochensky District
      • Vershino-Darasunskiy
Spiridonov et al. (2010) +1 other reference
Baksheev et al. (2015)
Baksheev et al. (2015)
Slovakia
  • Banskรก Bystrica Region
    • Banskรก Bystrica District
      • ฤฝubietovรก
Ozdรญn D. +1 other reference
Michลˆovรก J. et al. (Praha)
ฤŽuฤa R. et al. (1993)
    • Brezno District
Kodฤ›ra (1986)
Prลกek et al. (2010)
      • Beลˆuลก
Kodฤ›ra (1986)
    • Poltรกr District
      • Kokava nad Rimavicou
Ferenc ล  et al. (Kokava nad Rimavicou)
    • Rimavskรก Sobota District
      • Hnรบลกลฅa
Uher P. & Ozdรญn D.
      • Tisovec
Baฤรญk P. et al. (2015)
    • ลฝiar nad Hronom District
      • Kremnica
ฤŽuฤa (1993)
  • Bratislava Region
    • Bratislava
Baฤรญk et al. (2008)
      • Bratislava IV
        • Devรญn
Baฤรญk et al. (2008)
Uher P. et al. (2026)
    • Pezinok District
      • Pezinok
        • Slneฤnรฉ Valley
Uher et al. (2009)
  • Koลกice Region
    • Koลกice-okolie District
Baฤรญk et al. (2022)
Prลกek J. & Lauko ฤฝ. (Spiลกsko-gemerskรฉ rudohorie)
Baฤรญk et al. (2022)
    • Roลพลˆava District
      • Betliar
Kubiลก M. (2006)
      • ฤŒuฤma
Ferenc ล . et al. (2019)
Ozdรญn D.
Kodฤ›ra (1986)
        • Dobลกinรก mining district
Uher P. et al. (2018)
      • Gemerskรก Poloma
        • Dlhรก Valley
Kodฤ›ra (1986)
Baฤรญk P. et al. (gemerikum, Slovensko)
      • Ochtinรก
Kodฤ›ra et al. (2025)
      • Roลพลˆava
Ozdรญn D. et al. (in Slovak) +1 other reference
    • Spiลกskรก Novรก Ves District
      • Hnilฤรญk
Baฤรญk et al. (2018)
      • Hnilec
Kodฤ›ra (1986)
ฤŽuda et al. (1996)
  • Nitra Region
    • Zlatรฉ Moravce District
      • Jedฤพovรฉ Kostoฤพany
Uher P. & Ozdรญn D. (Tribeฤ, Slovensko)
  • Trenฤรญn Region
    • Prievidza District
      • ฤŒavoj
Baฤรญk P. et al. (2006) +1 other reference
      • Nitrianske Pravno
Bacik et al. (2011)
Slovenia (TL)
  • Dravograd
G. Tschermak (1883) +1 other reference
- (n.d.)
South Africa
  • KwaZulu-Natal
    • Ugu District Municipality
Cairncross et al. (1995)
  • Limpopo
    • Mopani District Municipality
      • Greater Giyani Local Municipality
        • Giyani Greenstone Belt
          • Pala Kop
Cairncross et al. (1995)
  • Mpumalanga
    • Ehlanzeni District Municipality
      • Mbombela Local Municipality
www.mindat.org (n.d.)
  • North West
    • Bojanala Platinum District Municipality
      • Madibeng Local Municipality
        • Mooinooi
Cairncross et al. (1995)
  • Northern Cape
    • Pixley ka Seme District Municipality
      • Siyathemba Local Municipality
        • Copperton
Cairncross et al. (1995)
Spain
  • Andalusia
    • Almerรญa
      • Cuevas del Almanzora
        • Sierra Almagrera
          • Villaricos
Georges FAVREAU collection + EDS
    • Mรกlaga
Colecciรณn Juan A.M. Barnestein
      • Ojรฉn
        • Ojรฉn lherzolite massif
Colecciรณn Juan A.M. Barnestein
  • Catalonia
    • Girona
      • Alt Empordร 
        • Cadaquรฉs
Alfonso et al. (2000) +1 other reference
& locality references +1 other reference
      • Mont-ras
Joan Rosell - Soledad รlvarez - Jordi Ibรกรฑez (2021)
  • Community of Madrid
Angel Ortiz Maellas specimen
Jimรฉnez Martรญnez
www.foro-minerales.com (n.d.)
Angel Ortiz Maellas specimen
  • Galicia
    • A Coruรฑa
      • Malpica
        • La Pioza
J.I. Gil Ibarguchi
    • Pontevedra
      • A Caรฑiza
Martin-Izard et al. (1995)
Sri Lanka
  • North Central Province
Nasdala et al. (2021)
  • Sabaragamuwa Province
    • Ratnapura District
      • Ratnapura
Ceylon Aluvial Mine (Book, Co. 2002)
Sweden
  • Gรคvleborg County
    • Nordanstig
      • Hassela
Jonsson (1996) +2 other references
  • ร–rebro County
    • Askersund
      • Hammar
Gatedal (n.d.)
    • Lindesberg
      • Nyberget
        • Nyberget ore field
Gatedal (n.d.)
      • Ramsberg
        • Forshammar Pegmatite Quarries
Baฤรญk et al. (2012)
      • Siggeboda
Gatedal (n.d.)
      • Strรฅssa
Gatedal (n.d.)
    • Nora
Gatedal (n.d.)
      • Jรคrnboรฅs
Gatedal (n.d.)
Gatedal (n.d.)
      • Viker ore field
Gatedal (n.d.)
    • ร–rebro
      • Glanshammar
  • Skรฅne County
    • Bromรถlla
      • Nรคsum
The Swedish Museum of Natural History ... +1 other reference
  • Sรถdermanland County
    • Vingรฅker
  • Stockholm County
    • Haninge
      • Utรถ
        • Utรถ Mines
Selway et al. (2002)
Selway et al. (2002)
    • Nynรคshamn
Gustafsson et al. (1991) +1 other reference
  • Vรคrmland County
    • Filipstad
      • Lรฅngban Ore District
Holtstam et al. (1999)
    • Torsby
Sandstrรถm (2002)
  • Vรคsterbotten County
    • Skellefteรฅ
      • Boliden
Econ Geol (1996) +1 other reference
      • Sandfors
Vincent Bourgoin specimen
  • Vรคstmanland County
    • Sala Municipality
      • Sala
Gatedal (n.d.)
Switzerland
  • Grisons
    • Bernina Region
      • Poschiavo
        • Camp Valley
Romani (2000)
Romani (2000)
        • Selva
Romani (2000)
    • Calanda
      • Taminser Calanda
        • Ems
Stalder et al. (1998)
Stalder et al. (1998)
Stalder et al. (1998)
    • Surselva Region
      • Medel (Lucmagn)
Dill (2008)
  • Ticino
    • Leventina
      • Faido
        • Chironico Valley
Redler et al. (2016)
      • Piumogna Valley
        • Campolungo
Stalder et al. (1998)
    • Vallemaggia
      • Cevio
        • Bavona Valley
          • Robiรจi (Alpe di Robiรจi; Lake Robiรจi area)
            • Cavagnรถรถ Glacier (Cavagnoli Glacier; Cavagnรถรถ area; Cavagnoli area)
WeiรŸ et al. (2015) +1 other reference
WeiรŸ et al. (2015) +1 other reference
  • Valais
    • Brig
      • Termen
Wilson (2023)
    • Goms
      • Binn
        • Albrunhorn - Turbhorn area
          • Bochtehorn
          • Ofenhorn
        • Fรคld
Stalder et al. (1998) +1 other reference
Kolitsch et al. (1996)
        • Fรคldbach valley
        • Freichi area
        • Gandhorn
        • Giessen
Most recent: Gea 1993/04 p.137 with ...
50. (in German) +1 other reference
    • Sierre
      • Anniviers
        • Grimentz
Ansermet (2012)
        • Saint-Luc
Ansermet et al. (2021)
      • Lens
Ansermet et al. (2011)
Taiwan
  • Yilan County
    • Nan'ao Township
      • Wuta village
Juang (1984)
Tajikistan
  • Districts of Republican Subordination
I. Pekov data pers. comm L. Horvath 2008
  • Gorno-Badakhshan
    • Ishkoshim
Levitskii V.I. (1990) +1 other reference
      • Kukh-i-Lal (Kukhilal; Kuhi-lal)
Labuntsov et al. (1930) +3 other references
Grew et al. (1998)
Grew et al. (1998)
    • Murghob
      • Rangkul
Sorokina et al. (2015)
Tanzania
s3.amazonaws.com (2022)
    • Ngorongoro district
      • Loliondo
Werner Radl collection +1 other reference
  • Manyara Region
    • Simanjiro District
Rossman et al. (2016)
      • Lelatema Mountains
Wilson et al. (2009)
Excalibur Mineral Corp. - Mineral News +1 other reference
      • Nadonjukin
Lopatkin Oleg Collection +1 other reference
  • Morogoro Region
    • Morogoro Rural District
Hintze (2010)
Thailand
  • Phang Nga Province
    • Thai Mueang
      • Lam Phi
        • Chang Non
Patrice Queneau Collection and ...
  • Phetchaburi Province
    • Hub Kapong batholith
Manning (1982)
Manning (1982)
Turkey
  • Giresun Province
    • ลžebinkarahisar District
Yavuz et al. (2008)
  • UลŸak Province
    • EลŸme District
Bozkaya et al. (2014)
UK
  • England
Duchoslav et al. (2017)
    • Cornwall
      • Gwennap
Fitch et al. (2022)
      • Sennen
Drivenes (2022)
      • St Cleer
        • Caradon Hill
LeBoutillier et al. (2003)
      • St Enoder
        • Fraddon
Mรผller et al. (2005)
      • St Just
        • Botallack
          • Botallack Mine
Tindle (2008)
Ko Jansen
      • St Merryn
Golley et al. (1995)
      • Treverbyn
        • Stenalees
Golley et al. (1995)
USA
  • Alabama
    • Coosa County
      • Weogufta
Cook et al. (1982)
  • Alaska
    • Yukon-Koyukuk Census Area
      • Innoko Mining District
- (2008)
  • Arizona
    • Cochise County
Anthony et al. (1995)
    • Pinal County
      • Bunker Hill Mining District (Copper Creek Mining District)
Anthony et al. (1995)
  • California
    • Los Angeles County
Robert Housley Mindat Article "Gem ...
    • Plumas County
      • Last Chance Mining District
        • Adams Peak
Dunning et al. (2005)
Dunning et al. (2005)
Dunning et al. (2005)
Dunning et al. (2005)
    • Riverside County
      • Cahuilla Mining District
        • Little Cahuilla Mountain
Osborn et al. (discoverer/owner) +1 other reference
      • Jurupa Valley
        • Crestmore
[micromounts@yahoogroups.com]
        • Jurupa Mountains
Cooney (1956) +3 other references
    • San Diego County
      • Mesa Grande Mining District
        • Gem Hill
Foord (1977)
    • Santa Cruz County
      • Santa Cruz
Cooper et al. (1986)
  • Colorado
    • Chaffee County
      • Cleora Mining District
Eckel et al. (1997)
    • Clear Creek County
      • Clear Creek pegmatite Province
Eckel et al. (1997)
    • Gunnison County
      • Dorchester Mining District
        • Taylor Park
Eckel et al. (1997)
  • Connecticut
    • Fairfield County
Labels from Earl Sullivan collection +1 other reference
      • Trumbull
        • Long Hill
David Busha collection
    • Hartford County
      • Burlington
        • Taine Mountain
John Burnham collection
      • Glastonbury
        • East Glastonbury
Rocks & Min.: 70:398
    • Middlesex County
      • East Hampton
Rocks & Min.: 70:403
      • Haddam
Rocks & Min.: 70:403 +1 other reference
    • New Haven County
      • Southbury
Bill Barrett Coll.
      • Waterbury
former Ronald Januzzi collection.
  • Georgia
    • Cobb County
Cook (1978)
    • Douglas County
      • Villa Rica
Rocks & Min.: 64:194.
    • Hart County
      • Hartwell
Cook (1978)
  • Idaho
Rocks & Min. 70:246 +3 other references
    • Washington County
      • Iron Mountain
Ream (2004)
  • Maine
    • Hancock County
      • Blue Hill - Castine Mining District
        • Blue Hill
King et al. (1994)
        • Brooksville
Canadian Mineralogist Vol. 22 (1984) +1 other reference
    • Knox County
      • Union
King (2000)
    • Oxford County
      • Newry
King et al. (1994) +1 other reference
King et al. (1994) +1 other reference
Dyar et al. (1998)
King et al. (1994) +1 other reference
King et al. (6) +1 other reference
      • Paris
chemical analysis and microscopically ... +2 other references
      • Rumford
Thompson et al. (1998)
      • West Paris
Vandall King
  • Maryland
    • Baltimore County
      • Hernwood
Bernstein (1980)
      • Pikesville
Bernstein (1976)
      • Texas
Rocks & Min.: 21:274-275.
    • Cecil County
[var: Chromium-bearing Dravite] Foord et al. (1981)
    • Howard County
Bernstein (1980)
    • Montgomery County
      • Rockville
Parker (2005)
  • Massachusetts
    • Franklin County
      • Erving
Wilson (2014)
Harvard Museum of Natural History
Francis (1988)
    • Hampden County
      • Chester
Francis (1988)
    • Hampshire County
      • Huntington (Norwich)
King (n.d.)
  • Nevada
    • Nye County
      • Union Mining District
        • Berlin
Quillen (2017)
    • Washoe County
Castor et al. (2004)
  • New Hampshire
    • Cheshire County
      • Marlow
      • Richmond
Francis (1988) +1 other reference
    • Grafton County
      • Orford
Meyers et al. (1956)
    • Merrimack County
      • Hooksett
Peter Cristofono collection
  • New Jersey
    • Sussex County
Nelen et al. (1977) +1 other reference
      • Ogdensburg
        • Sterling Hill
PJD (1995, 2004)
      • Sparta Township
Moritz (n.d.)
  • New Mexico
    • Bernalillo County
Patrick Haynes. PXRD and EDS by Inna ...
    • Hidalgo County
      • Pyramid Mountains
Northrop et al. (1996)
          • Lordsburg
            • Virginia District
2009 New Mexico Mineral Symposium ... +1 other reference
    • Taos County
Northrop et al. (1996)
Northrop et al. (1996)
        • Copper Mountain
Northrop et al. (1996)
  • New York
    • Essex County
Robinson et al. (2007)
    • New York City
      • Manhattan (New York County)
Manchester (1931)
      • The Bronx (Bronx County)
Manchester (1931)
    • Putnam County
      • Town of Southeast
Chamberlain et al. (2013)
    • St. Lawrence County
      • De Kalb
        • Bigelow
Rocks & Minerals 85:250-259
      • Edwards
        • Talcville
Lupulescu et al. (2014)
      • Fowler
The New York State Museum Catalog No. ...
Peterson et al. (1984)
TSCHERMAK (1884b)
Rocks & Minerals 83:3 pp 320-326 +1 other reference
      • Macomb
        • Macomb
Chiarenzelli et al. (2019)
- (eski / Noah) +1 other reference
Chamberlain et al. (2013)
Walter et al. (2022)
www.mindat.org (n.d.) +2 other references
Chamberlain et al. (2013)
Chamberlain et al. (2013)
      • Russell
Walter (2022)
Chamberlain et al. (2010) +1 other reference
    • Suffolk County
      • Southold
        • Orient
Petrov (n.d.)
    • Warren County
      • Chester Township
        • Chestertown
Robinson et al. (2007) +1 other reference
      • Horicon township
Rocks & Minerals (1955)
      • Johnsburg
        • Johnsburg Village
Larsen et al. (1932)
  • North Carolina
    • Ashe County
      • Ore Knob
Taylor et al. (1984) +1 other reference
    • Buncombe County
Wood (1996)
Wood (1996)
    • Cherokee County
      • Murphy Marble Belt
Rocks & Min.:60:88.
Streeter (2003)
      • Valley River Belt
    • Cleveland County
      • Kings Mountain
jbs collection Smithsonian Institution ...
    • Gaston County
Magma Field Trip Reports
Smithsonian Institution Mineral ...
Dyar et al. (1998) +1 other reference
Geological Society of America Vol.44 +1 other reference
  • Pennsylvania
    • Bucks County
      • Solebury Township
Carnegie Museum of Natural History ...
    • Chester County
      • Wallace Township
        • Cornog
Lapham et al. (1965)
    • Lancaster County
      • Fulton Township
[var: Chromium-bearing Dravite] Foord et al. (1981)
    • Northampton County
Montgomery (1955) +1 other reference
  • Rhode Island
    • Providence County
      • Lincoln
        • Lime Rock
M. W. Kieron collection
  • South Carolina
Southeastern Geology Vol. 24 +1 other reference
  • Texas
    • Hudspeth County
      • Quitman Mountains
Petrov (n.d.)
    • Llano County
Personal Collection +1 other reference
  • Vermont
    • Orange County
      • Strafford
        • South Strafford
Rocks & Min. Vol. 71 (1996)
      • Vershire
        • South Vershire
Rocks & Min 71:330
    • Windsor County
      • Norwich
Francis (1988)
  • Virginia
    • Amelia County
      • Amelia (Amelia Court House)
Dietrich (1990)
    • Appomattox County
Dietrich (1990)
    • Buckingham County
Dietrich (1990)
    • Culpeper County
      • Mitchell
Dietrich (1990)
    • Fairfax County
      • Culpeper Basin
Dietrich (1990)
    • Loudoun County
      • Conklin
Loud et al. (2023)
    • Pittsylvania County
Dietrich (1990)
    • Prince William County
      • Manassas
ID'd by Tony Kampf. I had listed them ...
    • Spotsylvania County
      • Brokenburg
Rocks & Min.:60:170.
  • Washington
    • King County
      • Snoqualmie Mining District
Rocks and Minerals 66:6
Rocks and Minerals 66:6
Vietnam
  • Yรชn Bรกi Province
    • Lแปฅc Yรชn District
Pham Van Long et al. (2004)
Blauwet (2006)
Pham Van Long et al. (2004)
Pham Van Long et al. (2004)
Pham Van Long et al. (2004) +1 other reference
Pham Van Long et al. (2004)
Pham Van Long et al. (2004)
Zambia
  • Copperbelt Province
    • Lufwanyama District
- (Hanco)
  • North-Western Province
    • Mwinilunga District
      • Kaminguli River area
Stanislav Vrรกna photo and specimen
    • Solwezi District
MacIntyre (2019)
Zimbabwe
  • Mashonaland Central
    • Bindura District
Asa Resource Group plc
Frei et al. (1998)
Frei et al. (1998)
  • Mashonaland West
    • Zambezi Belt
Johnson et al. (1998) +1 other reference
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