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⇱ Strontianite: Mineral information, data and localities.


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Strontianite

A valid IMA mineral species - grandfathered
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About StrontianiteHide

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Formula:
SrCO3
Often contains minor Ca substituting for Sr.
Colour:
Colourless, white, gray, light yellow, green, brown; colourless in transmitted light
Lustre:
Vitreous, Resinous
Hardness:
Specific Gravity:
3.74 - 3.78
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1791 by Friedrich Gabriel Sulzer after its discovery locality, Strontian, Scotland.
The Sr analogue of aragonite and witherite. Compare olekminskite and 'UM1989-07-CO:CaSr'.
Forms a series with witherite.

Strontianite, strontium carbonate, is mainly found as a low-temperature mineral in limestone and also found as a gangue mineral in sulphide veins. It is almost always fluorescent.




Unique IdentifiersHide

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Mindat ID:
3805
Long-form identifier:
mindat:1:1:3805:4

IMA Classification of StrontianiteHide

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Classification of StrontianiteHide

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5.AB.15

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
14.1.3.3

14 : ANHYDROUS NORMAL CARBONATES
1 : A(XO3)
11.5.1

11 : Carbonates
5 : Carbonates of Sr and Ba

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
StrIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
StrKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
StrSiivolam & 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
StrWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
StrThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download
StrWarr (2020)Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of StrontianiteHide

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Vitreous, Resinous
Transparency:
Transparent, Translucent
Comment:
resinous on breaks
Colour:
Colourless, white, gray, light yellow, green, brown; colourless in transmitted light
Streak:
White
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Very Good
On {110} nearly perfect; on {021} poor; on {010} in traces.
Parting:
None noted.
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.74 - 3.78 g/cm3 (Measured)    3.722 g/cm3 (Calculated)

Optical Data of StrontianiteHide

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Type:
Biaxial (-)
RI values:
nα = 1.516 - 1.520 nβ = 1.663 - 1.667 nγ = 1.667 - 1.668
2V:
Measured: 7° , Calculated: 12° to 8°
Birefringence:
0.090
Max. Birefringence:
δ = 0.148 - 0.151
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 µm 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
Dispersion:
weak
Optical Extinction:
Parallel
Pleochroism:
Non-pleochroic

Chemistry of StrontianiteHide

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Mindat Formula:
SrCO3

Often contains minor Ca substituting for Sr.
Element Weights:
Element% weight
Sr59.352 %
O32.513 %
C8.136 %

Calculated from ideal end-member formula.
Common Impurities:
Ca

Crystallography of StrontianiteHide

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Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Cell Parameters:
a = 5.1059(7) Å, b = 8.4207(13) Å, c = 6.0319(11) Å
Ratio:
a:b:c = 0.606 : 1 : 0.716
Unit Cell V:
259.34 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals short to long prismatic [001], often acicular. Often pseudohexagonal in aspect due to equal development of {110} and {010} or of {hhl} and {0.2h.l}. {110} and {010} are striated horizontally, the steep {hhl} and {0kl} forms are rounded at times. Massive, columnar to fibrous; granular; rounded masses.
Twinning:
Very common. Twin plane {110}, usually as contact twins, rarely as penetration twins; also repeated, as trillings, fourlings, or polysynthetic, yielding enclosed twin lamellae.
Comment:
Non-standard space group setting (Pmcn).

Crystallographic forms of StrontianiteHide

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Crystal Atlas:
Image Loading
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Strontianite no.7 - {110} - Goldschmidt (1913-1926)
Strontianite no.13 - {110} - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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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)
0006303StrontianiteAntao S M, Hassan I (2009) The orthorhombic structure of CaCO3, SrCO3, PbCO3 and BaCO3: Linear structural trends The Canadian Mineralogist 47 1245-1255👁 Image
2009synthetic0293
0018858StrontianiteYe Y, Smyth J R, Boni P (2012) Crystal structure and thermal expansion of aragonite-group carbonates by single-crystal X-ray diffraction American Mineralogist 97 707-7122012Dreisteinfurt, Westphalia, Germany0300
0000234Strontianitede Villiers J P R (1971) Crystal structures of aragonite, strontianite, and witherite American Mineralogist 56 758-767👁 Image
19710293
0010714StrontianitePannhorst W, Lohn J (1970) Zur kristallstruktur von strontianit, SrCO3 Zeitschrift fur Kristallographie 131 455-459👁 Image
19700293
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
4.367 Å(14)
4.207 Å(6)
3.535 Å(100)
3.450 Å(70)
3.014 Å(22)
2.859 Å(5)
2.838 Å(20)
2.596 Å(12)
2.554 Å(23)
2.481 Å(34)
2.458 Å(40)
2.4511 Å(33)
2.2646 Å(5)
2.1831 Å(16)
2.1035 Å(7)
2.0526 Å(50)
1.9860 Å(26)
1.9489 Å(21)
1.9053 Å(35)
1.8514 Å(3)
1.8253 Å(31)
1.8134 Å(16)
1.8023 Å(4)
1.7685 Å(7)
1.7253 Å(5)
1.6684 Å(3)
1.6236 Å(4)
1.6080 Å(13)
1.5981 Å(3)
1.5676 Å(13)
1.5447 Å(11)
1.5072 Å(3)
1.4782 Å(6)
1.4596 Å(4)
1.4551 Å(9)
1.4293 Å(6)
1.4246 Å(7)
1.4120 Å(5)
1.4024 Å(4)
1.3100 Å(10)
Comments:
ICDD 5-418 (synthetic)

Geological EnvironmentHide

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Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
Stage 4b: Highly evolved igneous rocks>3.0
36 : Carbonatites, kimberlites, and related igneous rocks
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Stage 7: Great Oxidation Event<2.4
47c : [Carbonates, phosphates, borates, nitrates]
Geological Setting:
Forms in low-temperature hydrothermal deposits in limestone and marl or as a gangue mineral in sulfide veins; as geodes or concretionary masses in limestone or clay.

Type Occurrence of StrontianiteHide

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Synonyms of StrontianiteHide

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Other Language Names for StrontianiteHide

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Varieties of StrontianiteHide

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EmmoniteA calcian (calcium-bearing) strontianite. This variety is not uncommon - strontianite very often contains minor calcium.

Originally reported from Großkogel Mt., St Gertraudi, Brixlegg - Rattenberg, Brixlegg - Schwaz area, Inn valley, North Tyrol, Tyrol,...

Relationship of Strontianite to other SpeciesHide

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Member of:
Other Members of Aragonite Group:
AragoniteCaCO3Orth. mmm(2/m2/m2/m)
CerussitePbCO3Orth. mmm(2/m2/m2/m)
WitheriteBaCO3Orth. mmm(2/m2/m2/m)
Forms a series with:

Common AssociatesHide

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Associations Based on Photo Data:
451 photos of Strontianite associated with CalciteCaCO3
193 photos of Strontianite associated with CelestineSrSO4
150 photos of Strontianite associated with FluoriteCaF2
131 photos of Strontianite associated with BaryteBaSO4
128 photos of Strontianite associated with DolomiteCaMg(CO3)2
54 photos of Strontianite associated with ChalcopyriteCuFeS2
52 photos of Strontianite associated with QuartzSiO2
50 photos of Strontianite associated with PyriteFeS2
39 photos of Strontianite associated with SphaleriteZnS
20 photos of Strontianite associated with MagnesiteMgCO3

Related Minerals - Strunz-mindat GroupingHide

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5.AB.05SideriteFeCO3Trig. 3m(32/m) : R3c
5.AB.05RhodochrositeMnCO3Trig. 3m(32/m) : R3c
5.AB.05CalciteCaCO3Trig. 3m(32/m) : R3c
5.AB.05SmithsoniteZnCO3Trig. 3m(32/m) : R3c
5.AB.05GaspéiteNiCO3Trig. 3m(32/m) : R3c
5.AB.05SpherocobaltiteCoCO3Trig. 3m(32/m) : R3c
5.AB.05MagnesiteMgCO3Trig. 3m(32/m) : R3c
5.AB.05OtaviteCdCO3Trig. 3m(32/m) : R3c
5.AB.05 va'Parakutnohorite'
5.AB.10DolomiteCaMg(CO3)2Trig. 3 : R3
5.AB.10MinrecorditeCaZn(CO3)2Trig. 3 : R3
5.AB.10ŠkáchaiteCaCo(CO3)2Trig. 3 : R3
5.AB.10AnkeriteCa(Fe2+,Mg)(CO3)2Trig. 3 : R3
5.AB.10KutnohoriteCaMn2+(CO3)2Trig. 3 : R3
5.AB.15AragoniteCaCO3Orth. mmm(2/m2/m2/m)
5.AB.15CerussitePbCO3Orth. mmm(2/m2/m2/m)
5.AB.15WitheriteBaCO3Orth. mmm(2/m2/m2/m)
5.AB.20VateriteCaCO3Hex. 6/mmm(6/m2/m2/m) : P63/mmc
5.AB.25HuntiteCaMg3(CO3)4Trig. 32 : R32
5.AB.30NorsethiteBaMg(CO3)2Trig. 32 : R32
5.AB.35AlstoniteBaCa(CO3)2Tric.
5.AB.40ParalstoniteBaCa(CO3)2Trig. 32 : P321
5.AB.40OlekminskiteSr(Sr,Ca,Ba)(CO3)2Trig. 32 : P321
5.AB.45BarytocalciteBaCa(CO3)2Mon. 2/m : P21/m
5.AB.50Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orth. mm2
5.AB.55BenstoniteBa6Ca6Mg(CO3)13Trig. 3 : R3
5.AB.60JuangodoyiteNa2Cu(CO3)2Mon. 2/m : P21/b

Fluorescence of StrontianiteHide

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Fluorescent and phosphorescent in UV, X-rays, and electron beams. Bluish white (SW, MW, and LW), also white, pink or greenish white.

Other InformationHide

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Thermal Behaviour:
Inverts to a hexagonal modification upon heating.

Thermoluminescent at times.
Notes:
Soluble in dilute HCl.
Alters to celestine and found as an alteration of celestine.
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 StrontianiteHide

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References for StrontianiteHide

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Reference List:

Localities for StrontianiteHide

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Showing 803 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
symbol to view information about a locality. The 👁 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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👁 Image
- This locality has map coordinates listed.
👁 Image
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species.
👁 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
  • Helmand
    • Reg District
      • Khanneshin complex
Tucker et al. (2012)
Angola
  • Huambo Province
    • Bailundo
Lapido-Loureiro +4 other references
    • Londuimbali
Gonçalves +5 other references
    • Longonjo
Lapido-Loureiro +3 other references
Orris et al. (2002) +1 other reference
  • Huíla Province
    • Quilengues
Alves +6 other references
  • Lunda Sul Province
Cruz et al. (2008)
  • Namibe Province
    • Virei
Lapido-Loureiro +3 other references
Argentina
  • Santiago del Estero Province
M. B. FRANCHINI et al. (8300) +6 other references
NUEVOS DATOS MINERALOGICOS DEL PROSPECTO DE ETRL (Nb)
Australia
  • New South Wales
    • Northumberland County
      • Kulnura
Brian England pers comm
  • South Australia
    • Pastoral Unincorporated Area
      • Olympic Dam
Haynes et al. (1995)
  • Tasmania
    • Huon Valley municipality
      • Huon-Channel region
        • Cygnet district
Bottrill (2021)
  • Western Australia
    • Coolgardie Shire
      • Kambalda
        • Kambalda Nickel mines
Simon (2019)
    • Halls Creek Shire
Downes et al. (2014)
    • Laverton Shire
      • Mount Weld Station
Dunkan et al. (1990) +4 other references
Sung (2008) +1 other reference
Austria
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
Meixner (1964) +1 other reference
  • Carinthia
    • Hermagor District
      • Gitschtal
        • Weißbriach
          • Boden Alp
Brandstätter (2009)
    • Sankt Veit an der Glan District
      • Hüttenberg
        • Hüttenberger Erzberg
Mörtl (1985)
      • Kappel am Krappfeld
        • Dobranberg
Niedermayr et al. (1995)
      • Klein Sankt Paul
        • Wietersdorf
- (n.d.) +1 other reference
      • Micheldorf
        • Hirt
          • Griesserhof (Gulitzen; Gullitzen)
Niedermayr et al. (1995)
      • Sankt Georgen am Längsee
        • Launsdorf
Niedermayr et al. (1995)
Niedermayr et al. (1995)
      • Sankt Veit an der Glan
        • Mairist
Niedermayr et al. (1995)
    • Spittal an der Drau District
      • Mallnitz
Neschen (n.d.)
      • Oberdrauburg
        • Unterpirkach
          • Pirkner valley (Pirkach valley; Pirkner gorge)
Prasnik et al. (2010)
      • Rennweg am Katschberg
        • Katschberg
Niedermayr et al. (1995)
        • Pölla valley
          • Lanisch
Niedermayr et al. (1995) +1 other reference
Pichler (2009)
      • Weißensee
        • Naggl
Niedermayr (2009)
    • Villach-Land District
      • Bad Bleiberg
A.Pichler (2012)
E. Schroll: Carinthia II (1960)
H. Meixner: Carinthia II (1980)
      • Sankt Jakob im Rosental
Walter F. (2022)
  • Lower Austria
    • Korneuburg District
      • Bisamberg
Haberlandt (1938)
    • Lilienfeld District
Auer (1998)
      • Ramsau
        • Gaupmannsgraben
- (n.d.) +2 other references
      • Türnitz
        • Schwarzenberg
C.Auer (2013)
C.Auer (2013)
    • Neunkirchen District
      • Gloggnitz
Kolitsch et al. (2016) +1 other reference
      • Semmering
        • Haidbachgraben (Myrthengraben; Myrtengraben; Heidbachgraben)
Schachinger et al. (2015)
    • Waidhofen an der Ybbs
      • Konradsheim
C.Auer (2024)
C.Auer (2024)
  • Salzburg
    • Hallein District
      • Abtenau
        • Seydegg
W. Stoll collection.
Strasser (1998)
Putz et al. (2005)
    • St. Johann im Pongau District
      • Bad Gastein
Strasser (1989)
        • Naßfeld valley
          • Kreuzkogel massif
            • Radhausberg
Strasser (1989)
          • Sportgastein
Kolitsch et al. (in prep.) +2 other references
Strasser (1989)
        • Siglitz - Bockhart gold mining district
Strasser (1989)
Strasser (1989)
      • Mühlbach am Hochkönig
C.Auer (2018)
    • Tamsweg District
      • Muhr
Strasser (2010)
        • Muhr
Niedermayr (2000)
        • Rotgülden
          • Lower Rotgülden lake
Markus Rosenkranz collection
        • Schellgaden
          • Katschberg
Neschen (n.d.)
Neschen (n.d.)
    • Zell am See District
      • Leogang
        • Hütten
          • Schwarzleograben
            • Inschlag Alp
Poeverlein (1987) +1 other reference
R.Poeverlein (2016)
            • Schwarzleo mining district
Strasser (1989)
Strasser (1989)
Strasser (1989)
      • Rauris
Exel (1993)
      • Saalfelden
        • Biberg (Bieberg)
Niedermayr (1985) +1 other reference
  • Styria
    • Bruck-Mürzzuschlag District
      • Kapfenberg
        • Tanzenberg
Taucher (1994)
      • Mariazell
        • Niederalpl
[var: Emmonite] Gerald Gesselbauer (06.2010) +2 other references
C.Auer (2011)
      • Neuberg an der Mürz
Hackenberg (2003)
      • Tragöß-Sankt Katharein
Neschen (n.d.)
Betts (n.d.)
Gerald Gesselbauer (2010)
    • Deutschlandsberg District
      • Eibiswald
        • Radl pass
Taucher (1997)
    • Leoben District
      • Leoben
        • Galgenberg
Taucher (1994)
      • Wald am Schoberpass
        • A9 Motorway tunnels
Taucher (1993)
        • Unterwald
Leikauf (2003)
    • Liezen District
      • Schladming
        • Obertalbach valley
          • Eschach Alp (Eschachboden; Martinlager)
Schachinger et al. (2013)
    • Südoststeiermark District
      • Klöch
Postl et al. (2010)
    • Voitsberg District
      • Stallhofen
[var: Emmonite] Postl+Moser (1988)
    • Weiz District
      • Rettenegg
        • Prinzkogel (Prinzenkogel)
          • Prinzkogel mines
            • Southern District
Jakely (2008)
  • Tyrol
    • Kitzbühel District
      • Fieberbrunn
        • Weißenstein
Hajek et al. (2011)
      • Oberndorf in Tirol
Kolitsch (2016) +1 other reference
    • Kufstein District
      • Reith im Alpbachtal
        • St Gertraudi
[var: Emmonite] Econ Geol (1990)
Thilo Arlt Collection
Putz et al. (2007)
[var: Emmonite] A. Cathrein: Zeitschr. f. Kryst. (1888)
    • Reutte District
      • Biberwier
Hanneberg et al. (2009) +1 other reference
    • Schwaz District
Gstrein (1981)
      • Falkenstein mining district
[var: Emmonite] - (1994, July)
- (1994, July)
[var: Emmonite] - (1994, July)
Arlt et al. (1994)
  • Upper Austria
    • Kirchdorf an der Krems District
      • Hinterstoder
Neschen (n.d.)
      • Molln
Neschen (n.d.)
Arthofer (1995)
self-collected by Gerhard Brandstetter
      • Rosenau am Hengstpaß
Neschen (n.d.)
      • Roßleithen
Exel (1993)
      • Spital am Pyhrn
Neschen (n.d.)
Neschen (n.d.)
    • Steyr-Land District
      • Reichraming
self-collected by Gerhard Brandstetter
      • St. Ulrich bei Steyr
Neschen (n.d.)
J. König and G.Brandstetter collections
      • Weyer
Neschen (n.d.)
Exel (1993)
Wittern (1994)
- (n.d.)
  • Vienna
    • Meidling
Kolitsch (2008)
  • Vorarlberg
    • Bludenz District
      • Lorüns
Kolitsch et al. (2021)
    • Bregenz District
      • Au
        • Leue
Brandstätter et al. (2014)
        • Rehmen
Niedermayr et al. (2011)
      • Schoppernau
Niedermayr et al. (2011)
      • Warth
        • Hochtannberg pass
Kolitsch et al. (2023)
    • Dornbirn District
      • Dornbirn
        • Ebnit valley
Polz (1989)
          • Valors valley
Kolitsch (2014)
      • Hohenems
        • Unterklien
Niedermayr (1987)
Polz (1989)
70. +3 other references
    • Feldkirch District
      • Göfis
Zirkl (1986) +4 other references
      • Laterns
Polz (1989)
      • Rankweil
Wagenplast et al. (2003)
Bolivia
  • Cochabamba
    • Ayopaya Province
Analyses by Dr. Anthony Kampf on Los ... +1 other reference
Schultz et al. (2004)
Bosnia and Herzegovina
  • Republika Srpska
    • Doboj
Putiš et al. (2022) +1 other reference
Brazil
  • Bahia
    • Floresta Azul
Alves Santos et al. (2021)
  • Goiás
    • Catalão
Silva et al. (2019)
Guarino (2010)
  • Mato Grosso do Sul
    • Corumbá
      • Urucum massif
Biondi et al. (2020)
  • Minas Gerais
    • Araxá
Traversa et al. (2001) +2 other references
Traversa et al. (2001) +1 other reference
    • Poços de Caldas
Azzi (2019)
Horváth
Guarino et al. (2021) +1 other reference
  • Paraná
    • Cerro Azul
      • Mato Preto carbonatite complex
JENKINS II (1987)
  • São Paulo
    • Cajati
Oliveira et al. (2020)
American Mineralogist +2 other references
    • Itapirapuã Paulista
Orris et al. (2002)
Canada
  • British Columbia
Palache et al. (1951)
      • Wicheeda Lake
Dalsin (2013) +1 other reference
    • Golden Mining Division
Locock (1994)
    • Kamloops Mining Division
      • Clearwater
        • Birch Island
Peatfield (n.d.)
    • Omineca Mining Division
      • Williston Lake
Taseko
  • New Brunswick
    • Westmorland Co.
      • Dorchester Parish
- (2022)
  • Nova Scotia
    • Cape Breton Co.
Choo (1972)
  • Nunavut
    • Qikiqtaaluk Region
      • Baffin Island
Hogarth (1997)
  • Ontario
    • Bruce County
      • Kincardine Township
        • Douglas Point
Jeffrey Shallit Collection
Steve Stuart collection- collected and ...
    • Frontenac County
      • Palmerston Township
Sabina (1986)
    • Hamilton
      • West Flamborough Township
        • Dundas Quarry
R. Mielke 2008 +1 other reference
Sabina (1986)
Sabina (1986)
    • Nipissing District
      • Strathcona Township
MDI Number: MDI31M04SW00079
    • Ottawa
      • Gloucester Township
Rocks & Min.:59:206 & 212
Palache et al. (1951)
Palache et al. (1951)
www.geologyontario.mndm.gov.on.ca (n.d.)
    • Thunder Bay District
      • Killala Lake Area
Savard (2019)
      • O'Meara Township
Platt & Wooley (1990)
  • Québec
    • Capitale-Nationale
      • Portneuf RCM
Alex Marquis +1 other reference
      • Quebec City (Agglomération de Québec)
Horváth collection
    • Centre-du-Québec
      • Drummond RCM
        • Saint-Germain-de-Grantham
Horváth Collection - confirmed visually
    • Lanaudière
      • L'Assomption RCM
        • L'Épiphanie
Canadian Museum of Nature & Horvath ...
    • Laurentides
      • Argenteuil RCM
        • Grenville-sur-la-Rouge
          • Kilmar
Peck et al. (2019)
      • Deux-Montagnes RCM
Gold (1969) +1 other reference
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Grice (1989) +1 other reference
      • Lajemmerais RCM
Arnaldo Brunetti photo and specimen
        • Varennes & St-Amable
Horváth et al. (1998)
Horváth et al. (1998)
      • Longueuil TE
        • Saint-Bruno-de-Montarville
          • Mont Saint Bruno
Sabina (1983)
    • Montréal
      • Beaconsfield
"Tarassoff Collection"
176-178. +2 other references
Sabina (1978)
      • Montréal-Est
Horváth collection +1 other reference
    • Nord-du-Québec
      • Jamésie
Nadeau et al. (2015) +2 other references
    • Saguenay-Lac-Saint-Jean
      • Le Fjord-du-Saguenay RCM
        • Saint-Honoré
Fournier (1993)
FOURNIER (1993)
Cape Verde
China
  • Anhui
    • Huainan coalfield
Li +4 other references
  • Chongqing
    • Dazu Co.
Sichun Zhou et al. (1999) +1 other reference
    • Tongliang Co.
Gao et al. (2023)
  • Hubei
    • Huangshi
      • Xisaishan District
[var: Emmonite] Zhu et al. (2022)
    • Shiyan
      • Shennongjia Forest District
Dai et al. (2025)
      • Zhushan Co.
Ma et al. (2021)
  • Inner Mongolia
    • Baotou City
      • Bayan Obo mining district
        • Bayan Obo deposit
[var: Emmonite] Youbin Liang et al. (1981)
  • Jiangsu
    • Lianyungang
      • Donghai Co.
        • Zhimafang
Zhang et al. (2004)
  • Liaoning
    • Dandong
      • Kuandian County
- (1978)
Wu et al. (2019)
  • Qinghai
    • Haixi Mongol and Tibetan Autonomous Prefecture
Shaoxiu (1991) +1 other reference
  • Shaanxi
    • Weinan
      • Huayin City
Huang et al. (lead) +4 other references
  • Shandong
    • Jining
      • Weishan County
Ding et al. (2022) +1 other reference
  • Shanxi
    • Datong
      • Pingcheng District
Shao et al. (2003) +1 other reference
  • Sichuan
    • Guangyuan
Yu et al. (2022)
    • Liangshan Yi
      • Dechang County
Xiaoyu Li (2005) +2 other references
      • Mianning County
Qu YW et al. (2021)
Xu Jiuhua et al. (2001) +1 other reference
Li et al. (2025)
Li et al. (2025)
Liu et al. (2024) +1 other reference
  • Tibet
    • Nyingtri Prefecture (Linzhi Prefecture)
      • Mêdog Co. (Motuo Co.)
Liu
  • Yunnan
    • Nujiang
      • Lanping County
        • Baiyangping ore field
          • Western ore zone
Jiajun Liu et al. (2004)
Xue et al. (2007)
  • Zhejiang
    • Huzhou
      • Anji Co.
Cui et al. (2025)
Croatia
  • Primorje-Gorski Kotar County
[var: Emmonite] Siftar et al. (1973)
Czech Republic
  • Moravian-Silesian Region
    • Frýdek-Místek District
      • Bruzovice
Skupien
Valošek Č.: Zpráva o výsledku mineralogicko-geologických pochůzek v okrese Frýdek Místek (část 25, 1971)
I.Vašina (april 2011)
Rusek P. (Část 20., květen-červen 1965)
      • Třinec
Rusek P.: Nález vzácného nerostu na ...
Pauliš
Valošek Č.: Zpráva o výsledku mineralogicko-geologických pochůzek v okrese Frýdek Místek (část 25, 1971)
    • Karviná District
Valošek Č.: Zpráva o výsledku mineralogicko-geologických pochůzek v okrese Frýdek Místek (část 24, 1970) +1 other reference
Rusek P.: Nález vzácného nerostu na ...
Rusek P. (Část 20., květen-červen 1965)
      • Těrlicko
Rusek P.: Nález vzácného nerostu na ...
    • Nový Jičín District
      • Nový Jičín
        • Žilina
Jirásek et al. (2023)
      • Příbor
[var: Emmonite] Jirásek et al. (2013)
      • Starý Jičín
        • Petřkovice
Jirásek et al. (2023)
  • Pardubice Region
    • Pardubice District
      • Ráby
Pauliš P. Mineralogické lokality ...
DR Congo
  • Haut-Katanga
    • Kambove Territory
      • Shinkolobwe
Johari
  • Lualaba
    • Mutshatsha
Johari
  • North Kivu
    • Rutshuru Territory
      • Bwito
Nasraoui et al. (2000) +1 other reference
Egypt
  • Red Sea Governorate
El Ramly +4 other references
Europe
  • Carpathian Mountains
Ferenc et al. (2001)
Finland
  • Lapland
    • Savukoski
      • Tulppio
Vartiainen (1980) +1 other reference
Al-Ani et al. (2009) +2 other references
Al-Ani et al. (2013)
  • North Karelia
    • Juuka
Sotka +2 other references
  • North Savo
    • Siilinjärvi
Yara International
France
  • Auvergne-Rhône-Alpes
    • Drôme
      • Nyons
        • Beauvoisin
Yves Masson specimen. +2 other references
Jean-Luc Portes Collection
        • Rémuzat
Martin (2005)
    • Haute-Loire
      • Brioude
        • La Chomette
        • Salzuit
  • Ile-de-France
    • Seine-et-Marne
      • Torcy
Petrov (n.d.)
  • Nouvelle-Aquitaine
    • Pyrénées-Atlantiques
      • Bayonne
        • Urrugne
...
  • Occitanie
    • Aveyron
François Garric collection
  • Provence-Alpes-Côte d'Azur
    • Alpes-de-Haute-Provence
      • Forcalquier
        • Mison
Stephane Maury Collection +1 other reference
Jahn (2005)
    • Hautes-Alpes
      • Gap
        • Garde-Colombe
Jean-Luc Portes Collection
        • Laragne-Montéglin
Yves Masson collection
        • Orpierre
Stephane Maury Collection
        • Upaix
self collected S. Maury 2015
    • Var
      • Draguignan
        • Les Arcs
Mari (1996)
Germany
  • Baden-Württemberg
    • Freiburg Region
      • Breisgau-Hochschwarzwald
        • Bötzingen
Weisenberger et al. (2014)
Palache et al. (1951)
        • Münstertal
          • Belchen
Walenta (1989) +1 other reference
      • Emmendingen
        • Sexau
          • Eberbächle
Walenta (1992)
      • Freiburg im Breisgau
        • Kappel
          • Schauinsland
Weiß (1990)
      • Lörrach
        • Aitern
www.mineralienatlas.de (2020)
Walenta (1992)
      • Ortenaukreis
        • Oberes Renchtal
          • Oppenau
Walenta (1998)
        • Oberwolfach
Walenta (1992) +1 other reference
      • Waldshut
        • Dachsberg
          • Urberg
Walenta (1992)
    • Tübingen Region
      • Zollernalbkreis
        • Albstadt
in the collection of Joachim Esche
  • Bavaria
    • Lower Franconia
      • Main-Spessart District
        • Karlstadt am Main
Hans-Jürgen Haas Collection
      • Würzburg District
        • Thüngersheim
Wittern (2001)
        • Waldbüttelbrunn
          • Roßbrunn
Schmitt (1994)
    • Swabia
      • Oberallgäu District
        • Burgberg im Allgäu
Weiß (1990) +1 other reference
    • Upper Bavaria
      • Bad Tölz-Wolfratshausen District
        • Lenggries
M Seitz collection
      • Rosenheim District
        • Flintsbach am Inn
          • Fischbach
collection Joachim Esche
        • Nussdorf am Inn
Strasser (2009) +1 other reference
    • Upper Franconia
      • Kulmbach District
        • Stadtsteinach
F. Müller: "Bayerns steinreiche Ecke" et al. (Hof)
  • Hesse
    • Kassel Region
      • Waldeck-Frankenberg
        • Diemelsee
          • Wirmighausen
Sebastian Axt Collection
  • Lower Saxony
    • Goslar District
      • Braunlage
        • St Andreasberg
      • Clausthal-Zellerfeld
        • Silbernaal
Manfred Kampf collection
      • Goslar
        • Rammelsberg
      • Harz (Landkreis Goslar)
        • Hütschen valley
    • Göttingen District
      • Bad Grund
        • Bergstadt Bad Grund
Palache et al. (1951)
          • Iberg
Schnorrer et al. (2002) +1 other reference
      • Bad Lauterberg
Weiß (1990)
Weiß (1990)
      • Harz (Landkreis Göttingen)
Hotze (1989)
      • Herzberg am Harz
        • Sieber
Weiß (1990)
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Medebach
          • Dreislar
Unland (2004)
        • Winterberg
          • Silbach
Weiß (1990) +1 other reference
    • Münster
      • Borken
        • Legden
Harder (1964)
      • Coesfeld
        • Ascheberg
Palache et al. (1951) +1 other reference
        • Senden
          • Ottmarsbocholt
Weiß (1990)
      • Münster
        • Hiltrup
Harder (1964)
      • Steinfurt
        • Lengerich
Weiß (1990)
Harder (1964)
        • Lienen
Weiß (1990)
      • Warendorf
        • Ahlen
          • Langst
Lapis 1983 (7/8)
          • Vorhelm
Weiß (1990)
Harder (1964)
Dana et al. (1892) +1 other reference
Eiternick (2004)
Eiternick (2004)
          • Neubeckum
Harder (1964)
Eiternick (2004)
Eiternick (2004)
Palache et al. (1951)
        • Ennigerloh
Eiternick (2004)
Edmund Ratajczak collection
  • Saxony-Anhalt
    • Mansfeld-Südharz
      • Sangerhausen
        • Wolfsberg
Wittern (2001)
  • Saxony
    • Erzgebirgskreis
      • Oberwiesenthal
        • Hammerunterwiesenthal
Wittern (2001)
    • Mittelsachsen
      • Großschirma
        • Kleinvoigtsberg
Frenzel (1874)
      • Oberschöna
        • Bräunsdorf
Naumann et al. (1898)
  • Thuringia
    • Eisenach
      • Stregda
www.mineralienatlas.de (2025)
    • Jena
      • Göschwitz
Hoffmann (2012)
    • Nordhausen District
      • Harztor
        • Ilfeld
Gröbner et al. (2011)
    • Saale-Holzland District
      • Dornburg-Camburg
        • Dorndorf-Steudnitz
Steffen Michalski Collection
    • Saalfeld-Rudolstadt District
      • Unterwellenborn
Wittern (2001)
    • Schmalkalden-Meiningen District
      • Dolmar-Salzbrücke
        • Einhausen
Hoffmann (2012)
Greece
  • Attica
    • East Attica
      • Lavreotiki
Rewitzer et al. (1982)
        • Plaka
          • Plaka Mines
Kolitsch et al. (2015) +1 other reference
Greenland
  • Kujalleq
Petersen (2001)
      • Taseq Slope
Petersen et al. (2004)
  • Northeast Greenland National Park
Brooks et al. (1982)
  • Qeqertalik
Knudsen et al. (2024)
  • Qeqqata
Petersen et al. (1993)
Grice et al. (2006)
  • Sermersooq
    • Kangerlussuaq Fjord
Petersen et al. (1985)
Hungary
  • Borsod-Abaúj-Zemplén County
    • Kazincbarcika District
      • Alsótelekes
Szakáll & Gatter: Hungarian Mineral ...
India
  • Andhra Pradesh
    • Anantapur District
      • Wajrakarur kimberlite field
        • Timmasamudram cluster
Shaikh et al. (2017)
        • Wajrakarur–Lattavaram cluster
Kaur et al. (2016)
Kaur et al. (2013)
  • Jharkhand
    • Dhanbad District
      • Jharia Coalfield
Rock et al. (1992)
  • Rajasthan
    • Jodhpur Division
      • Barmer District
Bhushan (2015) +1 other reference
        • Malani Igneous Province
Mishra (1987) +5 other references
Bhushan et al. (2019)
Bhushan et al. (2019)
  • Tamil Nadu
    • Krishnagiri District
Ackerman et al. (2017)
    • Salem District
      • Edapaddi
Rao et al. (1978)
    • Theni District
Burtseva et al. (2013)
    • Tiruchirapalli District
Palache et al. (1951)
  • Telangana
    • Nalgonda District
Kaur et al. (2017)
      • Vattikod lamproite
Saini et al. (2022)
  • West Bengal
    • Paschim Bardhaman District
Middlemost et al. (1988) +1 other reference
    • Paschim Medinipur District
Kent et al. (1998)
Iran
  • West Azerbaijan Province
    • Takab County
Daliran (2008)
Ireland
  • Connacht
    • Mayo County
      • Castlebar
Moreton (2008)
  • Leinster
    • Kilkenny County
      • Johnstown
Moreton (2008)
Italy
  • Emilia-Romagna
    • Metropolitan City of Bologna
Emiliani (1994)
    • Parma Province
      • Berceto
        • Casaselvatica
Fabrizio Adorni Collection
    • Reggio Emilia Province
      • Vetto d'Enza
Borghi et al. (1995)
  • Lazio
    • Metropolitan City of Rome Capital
      • Campagnano di Roma
Stoppa et al. (2019)
  • Liguria
    • Genoa
      • Castiglione Chiavarese
        • Campegli
Antofilli et al. (1985)
      • Genoa
        • Val Bisagno
          • Molassana
Esposito (2005)
  • Lombardy
    • Bergamo Province
      • Carona
A. Bertolini:Tormalina e altri Minerali ...
      • Casazza
Fabio Brignoli collection
Castelletti S. (2009)
      • Oltre il Colle
        • Vedra Valley
          • Zorzone
Maida (2002)
    • Como Province
Maglia (1988)
  • Piedmont
    • Metropolitan City of Turin
      • Lessolo
        • Calea
Martini et al. (2001)
  • Trentino-Alto Adige/Südtirol
    • South Tyrol
      • Puster Valley District
        • Ahrntal (Valle Aurina)
          • Steinhaus (Cadipietra)
            • Chiusetta Valley (Kleinklausen Valley)
Gerd Stefanik collection
  • Tuscany
    • Lucca Province
      • Seravezza
Orlandi et al. (1996) +1 other reference
    • Massa-Carrara Province
Orlandi et al. (1980) +2 other references
        • Colonnata quarrying basin
          • Colonnata
Orlandi et al. (2009)
        • Miseglie quarrying basin (Miseglia-Fantiscritti quarrying basin; Fantiscritti quarrying basin)
Franzini et al. (1982) +2 other references
        • Torano quarrying basin
Orlandi et al. (1980) +1 other reference
Biagioni et al. (2019)
Orlandi et al. (1976)
Orlandi et al. (2009)
Orlandi et al. (1980) +1 other reference
Orlandi et al. (2009)
        • Casette
Orlandi et al. (2000)
Orlandi et al. (2000)
    • Pisa Province
      • Volterra
Orlandi (2005)
Stoppa et al. (2014)
  • Veneto
    • Vicenza Province
      • Castelgomberto
Boscardin et al. (2011) +1 other reference
      • Montecchio Maggiore
        • San Pietro
Boscardin et al. (2011)
Japan
  • Niigata Prefecture
Miyajima (2014)
  • Tokushima Prefecture
    • Naka District
Matsubara & Kato (1988) +1 other reference
  • Tokyo Metropolis
    • Nishitama district
      • Okutama-cho
Matsubara & Kato (1977) +2 other references
Jordan
  • Amman Governorate
    • Transjordan Plateau
      • Daba-Siwaqa complex
Pitty et al. (2010)
  • Irbid Governorate
    • Maqarin area
Khoury et al. (1985)
Kazakhstan
  • Jambyl Region
    • Moiynkum District
Pavel.M. Kartashov (n.d.) +1 other reference
Kenya
  • Kericho County
Onuonga (1997)
Kyrgyzstan
  • Issyk-Kul Region
homepage.usask.ca (2001) +1 other reference
Malawi
  • Southern Region
    • Balaka
H.G. Dill +14 other references
    • Phalombe
Garson (1963) +1 other reference
Mkango Resources
Garson (1962) +3 other references
    • Zomba
Dowman et al. (2017)
Mauritania
  • Adrar Region
    • Atar
Marsh et al. (2015)
Mexico
  • Coahuila
    • Múzquiz Municipality
Observed on specimens obtained from ...
Martin Števko-unpublished
    • Sierra Mojada Municipality
Wu et al. (2025)
      • Sierra Mojada
Panczner (1987)
Dana 7. +1 other reference
  • Hidalgo
    • Molango Municipality
Minera Autlan
  • Sonora
    • Magdalena Municipality
Miranda-Gasca et al. (1998) +1 other reference
  • Tamaulipas
Elias-Herrera et al. (1991)
Mongolia
  • Dornogovi Province
    • Khatanbulag District
Pavel.M. Kartashov (n.d.) +1 other reference
Morocco
  • Dakhla-Oued Ed-Dahab Region
    • Oued Ed-Dahab Province
      • Ouled Dlim Massif (Adrar Souttouf)
Bouabdellah et al. (2022)
  • Drâa-Tafilalet Region
    • Midelt Province
      • Midelt Cercle
        • Aït Oufella Caïdat
          • Amersid
Khadem Allah (1993) +1 other reference
Jeremine et al. (1947) +9 other references
Namibia
  • Kunene Region
    • Epupa
      • Swartbooisdrif Dikes
Thompson et al. (2002) +1 other reference
    • Khorixas
Sitnikova et al. (2021) +1 other reference
  • Otjozondjupa Region
    • Otjiwarongo Constituency
      • Kalkfeld
Berger et al. (2009)
Prins +3 other references
Kogut et al. (1998) +1 other reference
Netherlands
  • Gelderland
    • Winterswijk
      • Vosseveld
T.G. Nijland
New Zealand
  • Otago Region
    • Queenstown-Lakes District
      • Makarora
Cooper et al. (2008) +1 other reference
  • West Coast Region
    • Westland District
      • Burke River
[var: Emmonite] Cooper (1996)
Woolley (2019)
Norway
  • Akershus
    • Nittedal
Kvamsdal et al. (2014)
  • Buskerud
    • Flesberg
      • Vinoren Silver Mine Field
        • Vinoren Southern Mines
Zozulya et al. (2020)
  • Svalbard
33rd International Geological Congress (2008)
      • Måkeholmen
Kjærnet (2012)
  • Telemark
    • Vinje
Larsen (2003)
  • Troms og Finnmark
    • Alta
      • Stjernøya Island
Ihlen et al. (2014)
Oman
  • Ash Sharqiyah North Governorate
Rajendran et al. (2014)
  • Ash Sharqiyah South Governorate
    • Sal Carbonatite Plugs
Nasir
Nasir
Pakistan
  • Khyber Pakhtunkhwa Province
    • Khyber District
Jan et al. (1981) +2 other references
Paraguay
  • Amambay Department
Piero Comin-Chiaramonti (1996)
Poland
  • Lower Silesian Voivodeship
    • Polkowice County
      • Gmina Polkowice
Duczmal-Czernikiewicz et al. (2021)
  • Podlaskie Voivodeship
Dziedzic et al. (1983) +16 other references
  • Silesian Voivodeship
    • Bielsko County
      • Gmina Jasienica
Włodyka et al. (1998)
    • Cieszyn County
Hohenegger L. 1847: Notitzen aus der ...
  • Subcarpathian Voivodeship
    • Tarnobrzeg
Huber et al. (1980)
Portugal
  • Faro
    • Monchique
      • Monchique
Alves et al. (2010)
Russia
  • Adygea (Republic of Adygea)
    • Maykopsky District
Pavel.M. Kartashov (n.d.)
  • Aldan Shield
    • Chara and Tokko Rivers Confluence
Konev et al. (1993)
Dokuchits et al. (2022)
Konev et al. (1996)
  • Buryatia
    • Baunt District
Doroshkevich et al. (2007)
    • Ivolginsky District
Doroshkevich et al. (2008)
Bulnaev (2001) +1 other reference
  • Chelyabinsk Oblast
    • Agapovsky District
Kasatkin et al. (2022)
    • Ilmen Mountains
Чередниченко et al. (2014)
Belovitskaya et al. (2004)
Nedosekova (2007) +1 other reference
Popova et al. (2018) +1 other reference
      • Karavai Mt
Попова et al. (2019)
      • Kobelikha Mt.
Nishanbaev et al. (2016)
  • Dagestan
Joan Rosell-Riba (2025)
  • Irkutsk Oblast
Савельева et al. (2021)
Savel'eva et al. (2020) +1 other reference
Konev A A et al. (1995) +1 other reference
Kogarko et al. (1995)
Prokopyev et al. (2024)
    • Vitim Plateau
      • Biraya and Bya Rivers confluence area (Chara Basin)
Koneva A.A. et al. (2010)
[var: Emmonite] Konev et al. (2005)
  • Kamchatka Krai
    • Bystrinsky District
Sidorov et al. (2017, August)
    • Yelizovsky District
      • Mutnovskoe
Potapova et al. (2026)
  • Khabarovsk Krai
    • Okhotsky District
      • Svetloye epithermal district
Tamara Yu. Yakich * et al. (2024) +1 other reference
  • Krasnoyarsk Krai
    • Boguchansky District
      • Chadobets alkaline complex
Sharygin +12 other references
    • Maimecha and Kotui Rivers Basin
Sorokhtina et al. (2019)
    • Western Sayan range
Bolonin et al. (2009)
  • Murmansk Oblast
...
Volume 2: Minerals [Минералы]. Nauka et al. (in Russian) +6 other references
Pavel.M. Kartashov (n.d.)
PEKOV et al. (2013)
    • Kolsky District
Sorokhtina et al. (2008)
    • Kovdorsky District
Mikhailova et al. (2015) +2 other references
Mikhailova et al. (2015)
    • Kukisvumchorr Mt
Pekov (1998) +1 other reference
Yakovenchuk et al. (2024)
Pekov et al. (2003) +2 other references
American Mineralogist
Chakhmouradian et al. (1998)
...
    • Lovozersky District
Fomina et al. (2020)
Konopleva et al. (2008)
    • Northern Karelia
Zaitsev et al. (2004)
Belovitskaya et al. (2004)
Kozlov +11 other references
    • Turii Cape
... +2 other references
    • Valepakhk Mountain
Mineralogy of Khibiny massif et al. (in Russ.)
Pakhomovsky et al. (2002)
Yakovenchuk et al. (2005)
  • Sakha
Belovitskaya et al. (2004)
Pavel.M. Kartashov (n.d.)
    • Mirninsky District
      • Daldyn
Alrosa
  • Samara Oblast
Timophei Pashko data
  • Tuva
Doroshkevich et al. (2016) +1 other reference
    • Chaa-Kholsky District
American Mineralogist 49:1774-1775 +1 other reference
Slovakia
  • Banská Bystrica Region
    • Banská Bystrica District
      • Špania Dolina
Ozdín D.
    • Revúca District
      • Gemerská Ves
Koděra (1986)
  • Košice Region
    • Rožňava District
Koděra (1986)
Števko M. (2022)
    • Spišská Nová Ves District
Zacharov M. & Peterec D. +1 other reference
  • Prešov Region
    • Prešov District
      • Fintice
Ďuďa
  • Trenčín Region
    • Prievidza District
      • Valaská Belá
Števko
  • Žilina Region
    • Dolný Kubín District
Koděra (1986)
      • Zázrivá
Ozdín et al. (2007)
    • Liptovský Mikuláš District
      • Dúbrava
Chovan et al. (1981) +1 other reference
          • Ľudovít adit
Števko M. (2021)
    • Ružomberok District
      • Likavka
Martin Števko-unpublished
South Africa
  • Limpopo
    • Mopani District Municipality
      • Ba-Phalaborwa Local Municipality
Cairncross et al. (1995)
Lee +1 other reference
  • North West
    • Bojanala Platinum District Municipality
      • Kgetlengrivier Local Municipality
        • Swartruggens
Hammond et al. (2002)
      • Moses Kotane Local Municipality
Cairncross & Dixon (1995) +1 other reference
Cairncross et al. (1995)
  • Northern Cape
    • John Taolo Gaetsewe District Municipality
      • Gamagara Local Municipality
Moore et al. (2011) +1 other reference
      • Joe Morolong Local Municipality
Gnos et al. (2003)
    • ZF Mgcawu District Municipality
      • Tsantsabane Local Municipality
        • Postmasburg
Kumba Iron Ore
Costin et al. (2014) +1 other reference
South Korea
  • Gangwon Province
    • Hongcheon County
Lee et al. (106-24) +3 other references
Spain
  • Andalusia
    • Almería
      • Bédar
        • El Pinar de Bédar
Favreau (n.d.)
Viñals et al. (2008)
      • Pulpí
        • Pilar de Jaravía
Calvo Rebollar (2012)
    • Granada
      • Alhendín (La Malahá)
        • Montevives
Arana et al. (1977) +1 other reference
  • Balearic Islands
    • Majorca
      • Llucmajor
Onac et al. (2014) +1 other reference
  • Canary Islands
    • Las Palmas Province
Coello et al. (92) +10 other references
Casillas et al. (2011)
  • Catalonia
    • Barcelona
      • Anoia
        • Castellfollit de Riubregós
Bareche (2005)
    • Lleida
      • La Segarra
        • Ivorra
Bareche (2005)
      • Solsonès
        • Torà
  • Navarre
    • Lesaka
Calvo Rebollar (2012)
  • Valencian Community
    • Alicante
      • Busot
fotosdepelu.blogspot.nl (n.d.)
        • Sierra del Cabeçó d'or
Colección Juan A.M. Barnestein +2 other references
Sudan
  • North Kordofan State
    • Nuba Mountains
Baioumy (2021)
Baioumy (2021)
Sweden
  • Skåne County
    • Malmö
      • Södra Sallerup
Wilke (1997)
  • Västernorrland County
    • Sundsvall
Kresten +20 other references
    • Timrå
Sandström et al. (2010)
Switzerland
  • Aargau
    • Laufenburg
      • Frick
Stalder et al. (1998)
    • Zurzach
      • Böttstein
Stalder et al. (1998)
  • Bern
    • Bernese Jura (Jura Bernois)
      • Péry-La Heutte
Schweizer Strahler 2/2009
    • Interlaken-Oberhasli
      • Ringgenberg
Stalder et al. (1998)
  • Fribourg
    • Gruyère
      • Bas-Intyamon
Stalder et al. (1998)
    • Sense
      • Plaffeien
Stalder et al. (1998)
Soom (1981) +1 other reference
      • Plasselb
Stalder et al. (1998)
  • Grisons
    • Surselva Region
      • Tujetsch
        • Val Curnera
Stalder et al. (1998)
  • Neuchâtel
    • Cornaux
Stalder et al. (1998)
  • Schwyz
    • Schwyz
Uebelhart (1991)
      • Seewen
        • Zingel
Stalder et al. (1998)
      • Unteriberg
Kipfer (1984) +1 other reference
  • Solothurn
    • Gösgen
      • Trimbach
Stalder et al. (1998)
    • Lebern
      • Günsberg
Stalder et al. (1998)
  • Vaud
    • Aigle
      • Bex
Stalder et al. (1998)
Tanzania
  • Arusha Region
    • Monduli District
Zaitsev (2010)
Mitchell et al. (2021)
  • Lake Victoria Goldfield
AngloGold Ashanti Limited
Tunisia
  • Kef
    • Tajerouine
      • Slata Pb-Zn deposit
Mlayah et al. (2009)
Turkey
  • Eskişehir Province
    • Beylikova District
Stumpfl et al. (1985)
UK
  • England
    • Cumbria
      • Allerdale
        • Caldbeck
          • Potts Gill
Young (1987) +1 other reference
Stanley et al. (1991)
      • Eden
        • Alston Moor
          • Nenthead
Green et al. (2000)
    • Devon
      • East Devon
        • Axmouth
Render (n.d.)
        • Sidmouth
Render (n.d.)
    • Dorset
      • Purbeck
        • Swanage
Embrey (1978)
      • Weymouth and Portland
        • Isle of Portland
Render (n.d.)
    • Gloucestershire
      • South Gloucestershire
        • Rangeworthy
Day (1999)
        • Sodbury
Hanson Limited
    • Leicestershire
      • Charnwood
        • Barrow-upon-Soar
BMS Collection +1 other reference
    • North Somerset
      • Burrington
Render (n.d.)
      • Winford
        • Felton
Day (1999)
    • North Yorkshire
      • Harrogate
Rutley (1902)
          • Merryfield
      • Richmondshire
        • Arkengarthdale
          • Langthwaite
Render (n.d.)
Day (1999)
        • Melbecks
Day (1999)
            • Friarfold Mine
Wood (1993)
            • Lownathwaite Mine (Lownithwaite Mine; Lownethwaite Mine)
Render (n.d.)
Wood (1993)
Wood (1993)
Wood (1993)
          • Low Row
P. Nicholson Collection
        • Reeth, Fremington and Healaugh
          • Old Gang Mines (AD Mines)
Render (n.d.)
Render (n.d.)
Render (n.d.)
Dunham K C. The geology of the Northern ...
Render (n.d.)
    • Somerset
      • Mendip
        • St Cuthbert Out
Day (1999)
      • Somerset West and Taunton
        • Kilve
Render (n.d.)
        • Stogursey
          • Shurton
Render (n.d.)
        • Watchet
Render (n.d.)
Render (n.d.)
  • Northern Ireland
    • County Antrim
Rutley (1902)
  • Scotland
    • East Lothian
    • Highland
      • Fort William and Ardnamurchan
Mineralogical Magazine 1885 6 : 173-174
Wolfe et al. (2008) +1 other reference
      • North, West and Central Sutherland
Paul Nicholson Collection
        • Loch Loyal Complex
King (1942) +3 other references
    • North Ayrshire
      • Beith
Day (1999)
    • Renfrewshire
Day (1999)
    • South Lanarkshire
  • Wales
    • Ceredigion
      • Cwmrheidol
        • Ystumtuen
Chris Popham Collection
Day (1999)
    • Gwynedd
      • Aberdaron
        • Rhiw
    • Vale of Glamorgan
Garfield et al. (2008) +1 other reference
Garfield et al. (2008) +1 other reference
Garfield et al. (2008) +1 other reference
      • Penarth
Ukraine
  • Crimea
    • Feodosia area
Dvoichenko P.A. The minerals of Crimea (1914)
Dvoichenko P.A. The minerals of Crimea (1914)
    • Simferopol area
      • Lozovoye Village area
Tischenko Alexander
    • Sudak Area
Geologiya SSSR (The geology of USSR)
  • Donetsk Oblast
Belous et al. (1984)
    • Starobesheve Raion
Kryvdik S. G. · Sharygin V. V. · Gatsenko V. O. · Lunev E. S. (2016)
USA
  • Alabama
    • Madison County
      • Huntsville
Cook et al. (1982)
Dean (1995)
  • Alaska
    • Juneau Mining District
      • Glacier Bay Mining District
- (2008)
  • Arizona
    • Maricopa County
      • Barry Goldwater Air Force Range
MRDS file #10060160.
      • Gila Bend area
Moore (1935) +1 other reference
    • Mohave County
      • Meadview
Anthony et al. (1995)
  • Arkansas
    • Hot Spring County
      • Magnet Cove
Henry Barwood - unpublished (2010)
    • Howard County
      • Briar
Rocks & Min.: 63:111.
    • Montgomery County
      • Fancy Hill mining district
        • Caddo Gap
Econ Geol (1987)
  • California
    • Imperial County
      • Salton Sea
Adams et al. (2014)
      • Wister
Adams et al. (2014)
    • Inyo County
      • Dublin Hills
        • Shoshone
          • West of Shoshone
Murdoch et al. (1966)
      • Furnace Creek Mining District (Furnace Creek Borate Mining District)
        • Ryan
Chandler (1996)
    • Kern County
      • Boron
U.S. Borax
      • Tehachapi Mountains
Troxel et al. (1962) +1 other reference
          • Lebec
            • Tejon Tin project (Gorman Tin project)
Wiese (1946) +3 other references
    • Los Angeles County
      • Lang
        • Tick Canyon
          • Tick Canyon Borate deposit
Murdoch (1966) +2 other references
    • Plumas County
Palache et al. (1951)
      • Plumas Copper Belt
        • Genesee Valley Mining District (Genesee Mining District)
Murdoch et al. (1966)
    • Riverside County
      • Jurupa Valley
        • Crestmore
          • Crestmore quarries
            • Sky Blue Hill
Woodford et al. (1941)
Woodford et al. (1941) +1 other reference
    • San Bernardino County
      • Argos
- (2005)
      • Barstow Mining District
Knopf (1918b) +8 other references
Knopf (1918b) +3 other references
      • Belleville Mining District
        • Daggett Ridge
Vonsen (1951)
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District; Calico-Daggett area)
          • Calico
            • Pacific Mine (Pacific Coast Borax Company properties; Borate; Borate Colemanite Mines; Calico; Old Borate; Pacific Coast Borax Co. workings)
Eakle (1908) +3 other references
Murdoch et al. (1966)
Knopf (1918b) +3 other references
      • Clark Mts (Clark Mountain Range)
        • Mountain Pass District
          • Mountain Pass
            • Mountain Pass Mine
Olson et al. (1954) +2 other references
      • Sleeping Beauty
- (2005)
    • San Diego County
      • Jacumba
Tucker (1939) +1 other reference
  • Colorado
    • El Paso County
      • Colorado Springs
Eckel et al. (1997)
    • Fremont County
      • Cotopaxi Mining District
        • Cotopaxi
          • Mine Gulch
Am Min 50:1179-1212 +1 other reference
Eckel et al. (1997)
USGS Prof Paper 649 +2 other references
- (2005)
USGS Prof Paper 649 +1 other reference
      • Iron Mountain complex
Eckel et al. (1997)
Eckel et al. (1997)
      • McClure Mountain Complex
Armbrustmacher (1988)
    • Gunnison County
      • White Earth Mining District (Powderhorn Mining District)
Eckel et al. (1997)
    • Montezuma County
      • La Plata Mining District (California Mining District)
Eckel et al. (1997)
    • San Juan County
      • San Antonio Mine
Eckel et al. (1997)
    • Teller County
      • Florissant (Topaz Butte)
Eckel et al. (1997)
  • Georgia
    • Bartow County
      • Cartersville Mining District
        • PAGA Mine
Min News 5:10 pp 1-5
Milton (1977) +1 other reference
  • Illinois
    • Hardin County
      • Cave-In-Rock Mining Sub-District
Goldstein (1997)
        • Ozark-Mahoning group
Cran Cowan specimen
Rocks & Minerals: 63: 221. +1 other reference
Rocks & Min.: 63:211
A. Goldstein collection
    • Pope County
      • Hobbs Creek Mining Sub-District
Rocks & Min.:63:225. +1 other reference
      • Stewart Mining Sub-District
Rocks & Min.: 63:216
  • Indiana
    • Harrison County
      • Mauckport
www.mineralcollecting.org (n.d.)
    • Lawrence County
      • Buddha
Erd et al. (1960)
      • Georgia
Erd et al. (1960)
    • Monroe County
      • Bloomington
Erd et al. (1960)
Rocks & Min.:61:148 +1 other reference
E Harrington collection
Steve Hajdu photo
E Harrington collection
    • Montgomery County
      • New Ross
Erd et al. (1960)
    • Washington County
      • Salem
Rocks & Min.:61:150 +1 other reference
  • Kentucky
    • Boyle County
      • Danville
        • Caldwell Stone Company Quarry
Rocks and Minerals Magazine Vol. 69 No. 4 (jul/aug 1994) +1 other reference
    • Fleming County
      • Flemingsburg
Specimen in collection of Steve Stuart
    • Franklin County
- (2005)
    • Hardin County
    • Henry County
      • Lockport
T. Kennedy collection
    • Jefferson County
Goldstein (2006)
    • Marion County
Alan Goldstein collection.
    • Meade County
      • Muldraugh (Fort Knox)
Goldstein (2006)
    • Pulaski County
      • Tateville
Goldstein (2006)
Goldstein (2006)
    • Scott County
      • Central Kentucky Fluorspar Mining District
        • Georgetown
Goldstein (2006)
Goldstein (2006)
Goldstein (2006)
- (2005) +1 other reference
    • Warren County
Goldstein (2006)
  • Louisiana
    • Winn Parish
R&M 69:3 pp 156-162
  • Maryland
    • Allegany County
G. Scott Braley Collection
    • Frederick County
      • New London
Rocks & Min.: 22: 226-227.
    • Washington County
From Scot French collection
      • Hagerstown
Edith Trybalski
  • Michigan
    • Alpena County
      • Alpena
Morris (1983)
Heinrich et al. (2004)
    • Marquette County
      • Ishpeming Township
        • Ishpeming Greenstone belt (Marquette Greenstone belt)
Travis Olds collection
    • Monroe County
      • Berlin Charter Township
        • Newport
      • Exeter Township
        • Maybee
Morris (1983)
      • Frenchtown Charter Township
        • Point aux Peaux (Stony Point)
Heinrich et al. (2004)
      • Ida Township
        • Ida
Morris (1983)
      • Monroe Charter Township
Heinrich et al. (2004)
      • Whiteford Township
Heinrich et al. (2004)
  • Mississippi
    • Copiah County
Econ Geol (1994)
    • Lamar County
Saunders et al. (1988) +1 other reference
  • Missouri
    • St. Louis County
Sherwood et al. (1998)
  • Montana
    • Hill County
Oyelayo et al. (2026)
    • Jefferson County
      • Whitehall Mining District (Cardwell Mining District)
Barrick Gold Corporation
    • Lincoln County
      • Libby Mining District (Snowshoe Mining District)
        • Libby
    • Ravalli County
      • Mineral Point Mining District
Gammons et al. (2024)
  • Nevada
    • Churchill County
      • White Cloud Mining District
Castor et al. (2004)
    • Elko County
Castor et al. (2004)
  • New Jersey
    • Hudson County
      • Secaucus
Minerals of Laurel Hill et al. (published privately)
    • Morris County
      • Washington Township
Manchester (1931)
    • Sussex County
      • Franklin
Dunn (1979) +1 other reference
  • New Mexico
    • Bernalillo County
Kelley et al. (1975) +1 other reference
Northrop et al. (1996)
Palache et al. (1951) +1 other reference
  • New York
    • Albany County
NY State Museum spec. no. 18162
Kelly et al. (1999)
      • New Scotland
NY State Museum spec. no.2640
Robinson et al. (2007)
      • Town of Guilderland
NY State Museum spec. no. 19584
    • Jefferson County
      • Theresa
        • Muskellunge Lake
Robinson et al. (2007)
    • Madison County
      • Bridgeport-Lakeshore area
Rocks & Min.: 64:469-470.
      • Fenner Township
New York State Museum mineral collection +1 other reference
    • Monroe County
      • Penfield
Jensen (1942)
    • Niagara County
      • Lockport
Donald Lapham examined from Dale ...
    • Oneida County
      • Lairdsville
Am. Jour. Sci. (1911)
    • Onondaga County
      • Cicero
Chamberlain et al. (2013)
      • Jamesville
Rocks & min.:64 (5)
    • Schoharie County
      • Schoharie Township
Kevin Czaja Collection
Palache et al. (1951) +1 other reference
James Dwight Dana (1896)
New York State Museum Bull. 223 et al. (July-August 1919)
    • St. Lawrence County
      • Clifton
        • Star Lake
          • Benson
Marian Lupulescu et al. (2010)
      • Rossie
Chamberlain et al. (2001)
    • Ulster County
      • Marbletown
NY State Museum spec. no. 18286
    • Wayne County
      • Walworth
King (n.d.)
  • Ohio
    • Adams County
      • Peebles
Carlson (2015)
    • Brown County
      • Lewis Township
www.rockmanjoe.com/Georgetown.html.
    • Lucas County
      • Sylvania Township
        • Silica
Carlson (2015)
Jamison K. Brizendine specimens
    • Marion County
      • Marseilles
Carlson (2015)
    • Sandusky County
      • Fremont
Carlson (2015)
      • Millersville
Joseph Vasichko (Collected by him at the quarry)
      • Woodville
Carlson (2015)
    • Seneca County
      • Maple Grove
Carlson (2015)
      • Tiffin
Carlson (2015)
    • Wood County
      • Lime City
Betts (n.d.)
Scott Campbell Collection
      • West Millgrove
Carlson (2015)
    • Wyandot County
      • Carey
Carlson (2015)
  • Oklahoma
    • Washita County
Rocks & Min. vol. 72 (1997)
  • Pennsylvania
    • Bedford County
      • Napier Township
        • New Paris
Mineralogy of Pennsylvania 1966-1975 +1 other reference
    • Blair County
      • Taylor Township
        • Roaring Spring
The Mineralogy of Pennsylvania 1966-1975 +1 other reference
    • Centre County
      • College Township
Copious amounts collected during PESA ...
    • Clinton County
David W. Reynolds (1946-2015)
      • Salona
C.R. Carnein collection
    • Cumberland County
      • Shippensburg
collected by J. Dague
    • Juniata County
      • East Salem
Rocks & Min.: 58: 265-266.
    • Lancaster County
      • East Earl Township
        • Blue Ball
Mineralogy of Pennsylvania 1966-1976 +1 other reference
    • Lycoming County
      • Muncy
        • Lime Bluff
    • Mifflin County
Palache et al. (1951)
    • Northumberland County
      • Mandata
The Mineralogy of Pennsylvania 1966-1975 +1 other reference
    • Snyder County
      • Middleburg Township
        • Paxtonville
Jeff Wilson Collection
      • Perry Township
        • Mount Pleasant Mills
          • Lime Ridge
K. Cabaniss & L.E. Kearns (2011)
    • Union County
      • Winfield
Ref.1 +2 other references
  • South Dakota
    • Lawrence County
      • Lead Mining District
        • Lead
Rocks & Minerals: 60: 111.
  • Tennessee
    • Smith County
      • Gordonsville
Jensen et al. (1) +1 other reference
    • Union County
Paris (2011)
  • Texas
    • Fort Bend County
      • Rosenberg
Smith (1991)
    • Harris County
      • Hockley
Smith (1991)
    • Matagorda County
      • Matagorda
Smith (1991)
    • Travis County
      • Austin
Smith (1991)
E.L. Clopton collection #1591 +1 other reference
Rylan Lopez Collection - inferred from ...
Palache et al. (1951) +1 other reference
      • Oak Hill
Smith (1991)
    • Wharton County
      • Newgulf
Smith (1991)
  • Utah
    • Emery County
Bruce Thorne
    • Sanpete County
Bullock (1981)
  • Virginia
    • Augusta County
      • West Augusta
Robin D. Tibbit (deceased)
    • Highland County
      • Monterey
Dietrich (1990)
    • Pulaski County
      • Dublin
    • Rockingham County
      • Harrisonburg area
Dietrich (1990)
    • Wise County
      • Big Stone Gap
Dietrich (1990)
      • East Stone Gap
Rocks & Min.:60:170. +1 other reference
Virginia Minerals Vol 29. No 2: +1 other reference
Virginia Minerals Vol 29. No 2:
Virginia Minerals Vol 29. No 2:
Virginia Minerals Vol 29. No 2:
  • Washington
    • Island County
    • Skagit County
      • Fidalgo Island
Palache et al. (1951) +1 other reference
  • West Virginia
    • Mineral County
George H. Williams (1890)
  • Wisconsin
    • Outagamie County
Cordua (1998)
    • Racine County
      • Racine
Cordua (1998)
  • Wyoming
    • Crook County
Van Rythoven et al. (2020)
Van Rythoven et al. (2020) +1 other reference
      • Bear Lodge Mining District
Chakhmouradian et al. (2017)
    • Natrona County
      • Rattlesnake Hills
Osterwald (1952)
Uzbekistan
  • Navoiy
    • Central Kyzylkum Region
      • Lyavlyakan-Beshkak ore field
Solodov et al. (2001)
Vietnam
  • Lai Châu Province
    • Phong Tho District
      • Mt Fansipan
        • Nâm Nâm Xe REE deposit
THUY et al. (2017)
[var: Emmonite] Feldman l.G. et al. (1987) +4 other references
Zambia
  • Muchinga Province
    • Isoka District
      • Isoka
Berger et al. (2009)
  • North-Western Province
    • Solwezi District
MacIntyre (2019)
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