The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+ 2Ca) where Na or K is dominant, and with C(Al+Fe³⁺+2Ti)<0.5 apfu. The W position may contain (OH), F or Cl.

Richterite is defined with
A position: Na dominant
C position: Mg dominant
W position: (OH) dominant.

Colour:

Brown to brownish-red, rose-red, or yellow, grey-brown, and also pale to dark green. dark green blue and grey blue

Lustre:

Vitreous

Hardness:

5 - 6

Specific Gravity:

3.1

Crystal System:

Monoclinic

Member of:

Richterite Root Name Group > Sodium-Calcium Amphibole Subgroup > w(OH,F,Cl)-dominant Amphibole Group > Amphibole Supergroup

Name:

Named in 1865 by Johann Friedrich August Breithaupt in honor of Hieronymus Theodor Richter [November 21, 1824, Dresden, Germany – September 25, 1898, Freiberg, Saxony, Germany], professor of chemistry at Freiberg University of Mining and Technology. He was the co-discoverer of indium.

Type Locality:

ⓘ Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Compare the chemically similar winchite and potassic-richterite.

Unique IdentifiersHide

Mindat ID:

3416

Long-form identifier:

mindat:1:1:3416:2

Similar NamesHide

K Richterite

A synonym of Potassic-richterite

{K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂

IMA Classification of RichteriteHide

IMA status:

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

IMA Formula:

Na(NaCa)Mg₅Si₈O₂₂(OH)₂

Classification of RichteriteHide

Strunz-mindat (2026):

9.DE.20

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si₄O₁₁; Clinoamphiboles

Dana 8th ed.:

66.1.3b.9

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup

Hey's CIM Ref.:

14.18.31

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe

Mineral SymbolsHide

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.

Symbol	Source	Reference for Standard
Rct	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Rit	Siivolam & 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
Rct	Whitney & 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
Rct	The 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 RichteriteHide

Pronunciation:

Play	Recorded by	Country
Jolyon Ralph	United Kingdom

Physical Properties of RichteriteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Brown to brownish-red, rose-red, or yellow, grey-brown, and also pale to dark green. dark green blue and grey blue

Streak:

White

Hardness:

5 - 6 on Mohs scale

Tenacity:

Brittle

Cleavage:

Perfect
Amphibole cleavage; perfect on {110} intersecting at 56° and 124°.

Parting:

partings on {100} and {001}

Fracture:

Irregular/Uneven

Density:

3.1 g/cm³ (Measured)

Optical Data of RichteriteHide

Type:

Biaxial (-)

RI values:

n_α = 1.615 n_β = 1.629 n_γ = 1.636

2V:

Measured: 68° , Calculated: 70°

Max. Birefringence:

δ = 0.021
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:

r < v strong

Optical Extinction:

Y = b; Z ∧ c = -54° to -20°.

Pleochroism:

Strong

Comments:

In pale yellows, orange and red.

Comments:

Absorption: Y > Z = X.

Chemistry of RichteriteHide

Mindat Formula:

Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂

The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+ 2Ca) where Na or K is dominant, and with C(Al+Fe³⁺+2Ti)<0.5 apfu. The W position may contain (OH), F or Cl.

Richterite is defined with
A position: Na dominant
C position: Mg dominant
W position: (OH) dominant.

Element Weights:

Element	% weight
O	46.927 %
Si	27.459 %
Mg	14.852 %
Na	5.619 %
Ca	4.898 %
H	0.246 %

Calculated from ideal end-member formula.

Elements listed:

Ca, H, Mg, Na, O, Si - search for minerals with similar chemistry

Common Impurities:

Ti,Al,Cr,Mn,Ni,Sr,K,F,Cl,H₂O

Age distributionHide

Recorded ages:

Neoarchean to Neogene : 2530 ± 45 Ma to 7.6 ± 0.2 Ma - based on 7 recorded ages.

Sample ages:

Sample ID	Recorded age	Geologic Time	Dating method
1	7.6 ± 0.2 Ma	Miocene	K-Ar
2	7.6 ± 0.3 Ma	Miocene	K-Ar
3	25.2 to 13.0 Ma	Cenozoic	Rb-Sr whole rock
4	414 ± 10 Ma	Early/Lower Devonian	K-Ar
5	2280 ± 40 Ma	Rhyacian
6	2530 ± 45 Ma	Neoarchean	K-Ar

Sample references:

ID	Locality	Reference
1	La Celia lamproite outcrops, Jumilla, Murcia, Spain	Nobel, F.A., Riessen, P.A.M., Hebeda, E.H., Priem, H.N.A. & Rondeel, H.E. 1981. Isotopic dating of the post-Alpine. Neogene volcanism in the Betic Cordilleras, southern Spain. Geologie en Mijnbouw, 60, 209-214.
2	Cancarix lamproite intrusion, Hellín, Albacete, Castile-La Mancha, Spain	Nobel, F.A., Riessen, P.A.M., Hebeda, E.H., Priem, H.N.A. & Rondeel, H.E. 1981. Isotopic dating of the post-Alpine. Neogene volcanism in the Betic Cordilleras, southern Spain. Geologie en Mijnbouw, 60, 209-214.
3	Derby-West Kimberley Shire, Western Australia, Australia	Jaques, A. L., Webb, A. W., Fanning, C. M., Black, L. P., Pidgeon, R. T., Ferguson, J., ... & Gregory, G. P. (1984). THE AGE OF THE DIAMOND-BEARING PIPES AND ASSOCIATED LEUCITE LAMPROITES OF THE WEST KIMBERLEY REGION, WESTERN-AUSTRALIA. BMR Journal of Australian Geology & Geophysics, 9(1), 1-7.
4	Mount Bayliss, Prince Charles Mountains, Mac Robertson Land, East Antarctica, Antarctica	Sheraton, J. W., & England, R. N. (1980). Highly potassic mafic dykes from Antarctica. Journal of the Geological Society of Australia, 27(1-2), 129-135.
5	Siilinjärvi Carbonatite Intrusion, Siilinjärvi, North Savo, Finland	Kononova, V.A., Shanin, L.L., Arakelyants, M.M. (1974) Times of formation of alkaline massifs and carbonatites. International Geology Review, 16 (10) 1119-1130 doi:10.1080/00206817409471765
6	" "	Puustinen, K. (1972). Richterite and actinolite from the Siilinjarvi carbonatite complex, Finland. Bull Geol Soc Finland, 44, 83-86.

Chemical AnalysisHide

Oxide wt%:

	1
SiO₂	52.71 %
Al₂O₃	1.41 %
TiO₂	1.76 %
Fe₂O₃
FeO	12.25 %
MnO	0.28 %
MgO	15.21 %
CaO	5.33 %
Na₂O	6.28 %
K₂O	1.73 %
Li₂O
F	1.58 %
H₂O	1.19 %
O=F	-0.67 %
Total:	99.06 %

Empirical formulas:

Sample ID	Empirical Formula
1	(Na0,619K0,325)?0,943 (Na1,175Ca0,825)?2 (Mg3,339Feii1,509Ti0,195Mnii0,035Al0.007)?5.085 (Si7,762Al0,239)?8,001 O22 ((OH)1,169F0,736O0,095)?2,001

Sample references:

ID	Locality	Reference	Notes
1	Coyote Peak, Humboldt County, California, USA	Hawthorne, Frank C., Oberti, R., Zanetti, A., Czamanske, G. K. (1998) The role of Ti in hydrogen-deficient amphiboles: sodic-calcic and sodic amphiboles from Coyote Peak, California. The Canadian Mineralogist, 36 (5). 1253-1265	Analyzed by single crystal X-ray and electron- and ion-microprobe techniques. The sample is also analyzed for Li and H.

Crystallography of RichteriteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 9.783 Å, b = 17.943 Å, c = 5.287 Å
β = 104.070°

Ratio:

a:b:c = 0.545 : 1 : 0.295

Unit Cell V:

900.22 Å³ (Calculated from Unit Cell)

Morphology:

Crystals to 15 cm, rarely doubly terminated. Flattened along [100] also acicular and asbestiform.

Twinning:

Simple or multiple parallel to {100}

Comment:

Unit cell from Handbook of Mineralogy. Also given as 9.90, 17.97, 5.26 Å, 104.25°.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)
0003796	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003795	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003794	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003793	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003792	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003791	Richterite	Senda K, Ishida K, Jenkins D M (2005) X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites American Mineralogist 90 1062-1071	👁 Image	2005	0	293
0003186	Richterite	Gunter M E, Dyar M D, Twamley B, Foit F F, Cornelius S (2003) Composition, Fe3+/Sum(Fe), and crystal structure of non-asbestiform and asbestiform amphiboles from Libby, Montana, U.S.A. American Mineralogist 88 1970-1978	👁 Image	2003	0	293
0002384	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 34 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002383	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 33 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002382	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 32 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002381	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 31 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002380	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 30 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002379	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 29 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002378	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 28 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002377	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 27 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002376	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 26 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002375	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 25 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002374	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 24 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002373	Richterite	Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C (2000) A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 23 American Mineralogist 85 407-419	👁 Image	2000	0	293
0002223	Richterite	Yang H, Konzett J, Prewitt C T, Fei Y (1999) Single-crystal structure refinement of synthetic K-substituted potassic richterite, K(KCa)Mg5Si8O22(OH)2 American Mineralogist 84 681-684	👁 Image	1999	0	293
0001918	Richterite	Hawthorne F C, Della Ventura G, Robert J-L, Welch M D, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join Note, Kr0 sample from Smelik et al (1994) Am Min 79, 1110-1122 American Mineralogist 82 708-716	👁 Image	1997	0	293
0001917	Richterite	Hawthorne F C, Della Ventura G, Robert J-L, Welch M D, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join American Mineralogist 82 708-716	👁 Image	1997	0	293
0001916	Richterite	Hawthorne F C, Della Ventura G, Robert J-L, Welch M D, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join American Mineralogist 82 708-716	👁 Image	1997	0	293
0001915	Richterite	Hawthorne F C, Della Ventura G, Robert J-L, Welch M D, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join American Mineralogist 82 708-716	👁 Image	1997	0	293
0001914	Richterite	Hawthorne F C, Della Ventura G, Robert J-L, Welch M D, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join American Mineralogist 82 708-716	👁 Image	1997	0	293
0001885	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001884	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001883	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001882	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001881	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001880	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001879	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001878	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001877	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001876	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0001875	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D (1997) Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite American Mineralogist 82 291-301	👁 Image	1997	0	293
0006477	Richterite	Robert J-L, Della Ventura G, Raudsepp M, Hawthorne F C (1993) Rietveld structure refinement of synthetic strontium-rich potassium-richterites European Journal of Mineralogy 5 199-206	1993	0	293
0006476	Richterite	Robert J-L, Della Ventura G, Raudsepp M, Hawthorne F C (1993) Rietveld structure refinement of synthetic strontium-rich potassium-richterites European Journal of Mineralogy 5 199-206	1993	0	293
0006475	Richterite	Robert J-L, Della Ventura G, Raudsepp M, Hawthorne F C (1993) Rietveld structure refinement of synthetic strontium-rich potassium-richterites European Journal of Mineralogy 5 199-206	1993	0	293
0006468	Richterite	Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richerite European Journal of Mineralogy 5 43-51	1993	0	293
0006467	Richterite	Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richerite European Journal of Mineralogy 5 43-51	1993	0	293
0006466	Richterite	Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richerite European Journal of Mineralogy 5 43-51	1993	0	293
0006465	Richterite	Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richerite European Journal of Mineralogy 5 43-51	1993	0	293
0006464	Richterite	Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richerite European Journal of Mineralogy 5 43-51	1993	0	293
0001614	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich63 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001613	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich62 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001612	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich61 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001611	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich60 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001610	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich59 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001609	Richterite	Della Ventura G, Robert J-L, Beny J-M, Raudsepp M, Hawthorne F C (1993) The OH-F substitution in Ti-rich potassium richterite: Rietveld structure refinement and FTIR and micro-Raman spectroscopic studies of synthetic amphiboles in the system K2O-Na2O-CaO-MgO-SiO2-TiO2-H2O-HF Sample Rich58 Atomic parameters from ICSD American Mineralogist 78 980-987	👁 Image	1993	0	293
0001584	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001583	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001582	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001581	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001580	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001579	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001578	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001577	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001576	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001575	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0001574	Richterite	Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C (1993) Site occupancies in monoclinic amphiboles: Rietveld structure refinement of synthetic magnesium cobalt potassium richterite Atomic parameters from ICSD American Mineralogist 78 633-640	👁 Image	1993	0	293
0006446	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006445	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006444	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006443	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006442	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006441	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006440	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006439	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293
0006438	Richterite	Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite European Journal of Mineralogy 4 425-439	1992	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Loading XRD data...

Data courtesy of RRUFF project at University of Arizona, used with permission.

Powder Diffraction Data:

d-spacing	Intensity
8.29 Å	(100)
3.09 Å	(70)
3.33 Å	(20)
2.695 Å	(20)
2.78 Å	(16)
4.47 Å	(14)
8.85 Å	(12)

Comments:

Imerina, Madagascar. ICDD 20-484.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
7 : Ultramafic igneous rocks
High-? alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks
36 : Carbonatites, kimberlites, and related igneous rocks

Type Occurrence of RichteriteHide

Type Locality:

ⓘ Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Place of Conservation of Type Material:

Mining Academy, Freiberg, Germany, 28854.

Synonyms of RichteriteHide

Chernyshevite

Isabellite

Other Language Names for RichteriteHide

Dutch:Richteriet

German:Richterit
Chernyshevit
Isabellit
Natrongrammatit

Russian:Рихтерит

Simplified Chinese:钠透闪石
碱镁闪石
锰闪石

Spanish:Chernyshevita
Isabellita
Richterita

Varieties of RichteriteHide

Astochite	A manganoan variety of richterite.
Marmairolite	A manganoan Richterite
Potassium-bearing Richterite	K-bearing variety from DeBeers mine (kimberlites), associated, i.a., with hawthorneite.
Riebeckrichterite
Titanium- and Potassium-bearing Richterite	Ti- and K-enriched variety from Prairie Creek lamproite, Arkansas, USA, associated, e.g., with haggertyite.

Relationship of Richterite to other SpeciesHide

Member of:

Richterite Root Name Group > Sodium-Calcium Amphibole Subgroup > w(OH,F,Cl)-dominant Amphibole Group > Amphibole Supergroup

Other Members of Richterite Root Name Group:

Ferro-richterite	{Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
Fluoro-richterite	{Na}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon. 2/m : B2/m
'Potassic-ferro-richterite'	{K}{CaNa}{Fe²⁺₅}Si₈O₂₂(OH)₂
Potassic-fluoro-richterite	{K}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon. 2/m : B2/m
Potassic-richterite	{K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:

117 photos of Richterite associated with 'Hackmanite'	Na₈Al₆Si₆O₂₄Cl₂
69 photos of Richterite associated with Calcite	CaCO₃
30 photos of Richterite associated with Sodalite	Na₄(Si₃Al₃)O₁₂Cl
21 photos of Richterite associated with Albite	Na(AlSi₃O₈)
18 photos of Richterite associated with Pyrrhotite	Fe_1-xS
14 photos of Richterite associated with Hematite	Fe₂O₃
13 photos of Richterite associated with Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
12 photos of Richterite associated with Rhodonite	CaMn₃Mn[Si₅O₁₅]
12 photos of Richterite associated with Uraninite	UO₂
11 photos of Richterite associated with Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂

Related Minerals - Strunz-mindat Grouping Hide

9.DE.	Shojiite	Na(NaMg)Mg₅Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.	Clino-suenoite	◻{Mn²⁺₂}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.	Mangani-eckermannite	NaNa₂(Mg₄Mn³⁺)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.05	'Permanganogrunerite'	◻{Mn²⁺₂}{Mn²⁺₅}(Si₈O₂₂)(OH)₂	Mon.
9.DE.05	Cummingtonite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.05	Ferri-fluoro-leakeite	{Na}{Na₂}{Mg₂Fe³⁺₂Li}(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.05	Grunerite	◻{Fe²⁺₂}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.05	Clino-holmquistite Root Name Group	◻{Li₂}{Z²⁺₃Z³⁺₂}(Si₈O₂₂)(OH,F,Cl)₂	Mon.
9.DE.10	Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.10	Fluoro-cannilloite	CaCa₂(Mg₄Al)(Si₅Al₃)O₂₂F₂	Mon. 2/m : B2/m
9.DE.10	Joesmithite	Pb²⁺Ca₂(Mg₃Fe³⁺₂)(Si₆Be₂)O₂₂(OH)₂	Mon. 2/m : P2/b
9.DE.10	Clino-ferro-suenoite	◻{Mn²⁺₂}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Fluoro-tremolite	◻Ca₂Mg₅(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.10	'Parvo-manganotremolite'	◻{CaMn²⁺}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Magnesio-ferri-hornblende	◻Ca₂(Mg₄Fe³⁺)[(Si₇Al)O₂₂](OH)₂	Mon. 2/m : B2/m
9.DE.10	Ferro-ferri-hornblende	◻Ca₂(Fe²⁺₄Fe³⁺)(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	'Ferro-cannilloite'	CaCa₂(Fe²⁺₄Al)(Si₅Al₃O₂₂)OH₂
9.DE.10	'Ferro-ferri-cannilloite'	CaCa₂(Fe²⁺₄Fe³⁺)(Si₅Al₃O₂₂)OH₂
9.DE.10	'Ferro-fluoro-actinolite'	◻{Ca₂}{Fe₅}(Si₈O₂₂)F₂
9.DE.10	'Ferro-fluoro-hornblende'	◻Ca₂(Fe²⁺₄Al)(AlSi₇O₂₂)F₂
9.DE.10	Magnesio-ferri-fluoro-hornblende	◻Ca₂(Mg₄Fe³⁺)(AlSi₇O₂₂)F₂	Mon. 2/m : B2/m
9.DE.10	'Ferro-ferri-fluoro-hornblende'	◻Ca₂(Fe²⁺₄Fe³⁺)(AlSi₇O₂₂)F₂
9.DE.10	'Ferri-fluoro-tschermakite'	◻{Ca₂}{Mg₃Fe³⁺₂}(Al₂Si₆O₂₂)F₂
9.DE.10	'Ferro-ferri-fluoro-tschermakite'	◻{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₂Si₆O₂₂)F₂
9.DE.10	'Ferro-fluoro-tschermakite'	◻{Ca₂}{Fe²⁺₃Al₂}(Al₂Si₆O₂₂)F₂
9.DE.10	'Fluoro-tschermakite'	◻{Ca₂}{Mg₃Al₂}(Al₂Si₆O₂₂)F₂
9.DE.10	'Magnesio-fluoro-hornblende'	◻Ca₂(Mg₄Al)(AlSi₇O₂₂)F₂
9.DE.10	Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	'Ferro-ferri-tschermakite'	◻{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.10	'Cannilloite'	CaCa₂(Mg₄Al)(Si₅Al₃O₂₂)OH₂	Mon.
9.DE.10	Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.10	'Ferri-tschermakite'	◻{Ca₂}{Mg₃Fe³⁺₂}(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.10	Ferro-actinolite	◻Ca₂Fe²⁺₅(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Ferro-hornblende	◻Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.10	Ferro-tschermakite	◻{Ca₂}{Fe²⁺₃Al₂}(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-chloro-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂Cl₂	Mon. 2/m : B2/m
9.DE.15	'Ferro-fluoro-pargasite'	(Na)(Ca₂)(Fe²⁺₄Al)(Al₂Si₆O₂₂)F₂
9.DE.15	'Potassic-ferro-chloro-edenite'	KCa₂Fe²⁺₅(AlSi₇O₂₂)Cl₂
9.DE.15	'Ferro-ferri-sadanagaite'	{Na}{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₃Si₅O₂₂)(OH)₂	Mon.
9.DE.15	Hastingsite	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂	Mon. 2/m : P2/m
9.DE.15	Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Magnesio-fluoro-hastingsite	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Potassic-fluoro-hastingsite	KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Potassic-chloro-hastingsite	KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂Cl₂	Mon. 2/m : B2/m
9.DE.15	'Unnamed (F-dominant analogue of Ferri-kaersutite)'	(Na,K)Ca₂[Mg₃(Fe³⁺,Fe²⁺)Ti](Si₆Al₂O₂₂)(F,O)₂	Mon. 2/m : B2/m
9.DE.15	Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-sadanagaite	{K}{Ca₂}{Mg₃Al₂}(Al₃Si₅O₂₂)(OH)₂	Mon. 2
9.DE.15	Ferri-kaersutite	NaCa₂(Mg₃Fe³⁺Ti)(Si₆Al₂O₂₂)O₂	Mon. 2/m : B2/m
9.DE.15	Potassic-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-ferro-sadanagaite	{K}{Ca₂}{Fe²⁺₃Al₂}(Al₃Si₅O₂₂)(OH)₂	Mon.
9.DE.15	Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	Mon. 2/m : B2/m
9.DE.15	'Ferro-chloro-pargasite'	NaCa₂(Fe²⁺₄Al)(Al₂Si₆O₂₂)Cl₂
9.DE.15	Potassic-fluoro-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Potassic-ferro-ferri-sadanagaite	{K}{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₃Si₅O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Fluoro-pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	'Parvo-mangano-edenite'	{Na}{CaMn²⁺}{Mg₅}(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Ferro-fluoro-edenite	NaCa₂Fe²⁺₅(AlSi₇O₂₂)F₂	Mon. 2/m : B2/m
9.DE.15	Mangani-pargasite	NaCa₂(Mg₄Mn³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Sadanagaite	{Na}{Ca₂}{Mg₃Al₂}(Si₅Al₃O₂₂)(OH)₂	Mon.
9.DE.15	Magnesio-hastingsite	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	'Ferri-sadanagaite'	{Na}{Ca₂}{Mg₃Fe³⁺₂}(Al₃Si₅O₂₂)(OH)₂
9.DE.15	'Ferro-sadanagaite'	{Na}{Ca₂}{Fe₃Al₂}(Al₃Si₅O₂₂)(OH)₂
9.DE.15	'Ferri-fluoro-sadanagaite'	{Na}{Ca₂}{Mg₃Fe³⁺₂}(Al₃Si₅O₂₂)F₂
9.DE.15	'Ferro-ferri-fluoro-sadanagaite'	{Na}{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₃Si₅O₂₂)F₂
9.DE.15	'Ferro-fluoro-sadanagaite'	{Na}{Ca₂}{Fe²⁺₃Al₂}(Al₃Si₅O₂₂)F₂
9.DE.15	'Fluoro-sadanagaite'	{Na}{Ca₂}{Mg₃Al₂}(Al₃Si₅O₂₂)F₂
9.DE.15	'Potassic-chloro-sadanagaite'	{K}{Ca₂}{Mg₃Al₂}(Al₃Si₅O₂₂)Cl₂
9.DE.15	'Potassic-ferro-chloro-sadanagaite'	{K}{Ca₂}{Fe²⁺₃Al₂}(Al₃Si₅O₂₂)Cl₂
9.DE.15	Ferro-edenite	NaCa₂Fe²⁺₅(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Oxo-magnesio-hastingsite	NaCa₂(Mg₃(Fe³⁺_2-x,Ti_x))₅(Si₆Al₂O₂₂)O₂	Mon. 2/m : B2/m
9.DE.15	Potassic-ferro-pargasite	KCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-hastingsite	KCa₂(Fe²⁺₄Fe³⁺)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	'Fluoro-hastingsite'	NaCa₂(Fe²⁺₄Fe³⁺)(Al₂Si₆O₂₂)F₂
9.DE.15	Potassic-magnesio-hastingsite	KCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Vanadio-pargasite	NaCa₂(Mg³⁺₄V)(Al₂Si₆)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	'Ferro-kaersutite'	NaCa₂{Fe²⁺₃AlTi}(Si₆Al₂O₂₂)O₂	Mon.
9.DE.15	Chromio-pargasite	NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Ferro-pargasite	NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Ghoseite'	◻[Mn²⁺Na][Mg₄Al]Si₈O₂₂(OH)₂
9.DE.20	Potassic-ferro-taramite	K{CaNa}{Fe²⁺₃Al₂}{Si₆Al₂}O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferri-fluoro-katophorite	Na(CaNa)(Mg₄Fe³⁺)(AlSi₇O₂₂)F₂	Mon. 2/m : B2/m
9.DE.20	Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Fluoro-richterite	{Na}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon. 2/m : B2/m
9.DE.20	Potassic-ferro-ferri-taramite	K(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Potassic-ferri-katophorite'	K(CaNa)(Mg₄Fe³⁺)(AlSi₇O₂₂)(OH)₂
9.DE.20	'Potassic-ferro-richterite'	{K}{CaNa}{Fe²⁺₅}Si₈O₂₂(OH)₂
9.DE.20	Potassic-fluoro-richterite	{K}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon. 2/m : B2/m
9.DE.20	Potassic-richterite	{K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferri-ghoseite	◻[Mn²⁺Na][Mg₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Fluoro-taramite	{Na}{CaNa}{Mg₃Al₂}(Al₂Si₆O₂₂)F₂	Mon. 2/m : B2/m
9.DE.20	'Ferro-ferri-fluoro-katophorite'	Na(CaNa)(Fe²⁺₄Fe³⁺)(AlSi₇O₂₂)F₂	Mon.
9.DE.20	Ferri-winchite	◻(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Fluoro-katophorite'	Na(CaNa)(Mg₄Al)(AlSi₇O₂₂)F₂	Mon.
9.DE.20	Hjalmarite	{Na}(NaMn}{Mg₅}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferro-taramite	Na(CaNa)(Fe²⁺₃Al₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Clinoferroholmquistite'	◻Li₂[Fe²⁺₃Al₂]Si₈O₂₂(OH,F)₂
9.DE.20	Ferro-katophorite	{Na}{CaNa}{Fe²⁺₄Al}[(AlSi₇)O₂₂](OH)₂	Mon. 2/m : B2/m
9.DE.20	Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Potassic-fluoro-katophorite'	K(CaNa)(Mg₄Al)(AlSi₇O₂₂)F₂
9.DE.20	'Ferro-fluoro-katophorite'	Na(CaNa)(Fe²⁺₄Al)(AlSi₇O₂₂)F₂
9.DE.20	Ferri-katophorite	Na(CaNa)(Mg₄Fe³⁺)(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Ferro-ferri-barroisite'	◻(CaNa)(Fe²⁺₃Fe³⁺₂)(AlSi₇O₂₂)(OH)₂
9.DE.20	Ferri-taramite	Na(CaNa)(Mg₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Potassic-ferro-ferri-katophorite'	{K}{CaNa}{Fe²⁺₄Fe³⁺}[(AlSi₇)O₂₂](OH)₂
9.DE.20	'Ferro-ferri-winchite'	◻[CaNa][Fe²⁺₄(Fe³⁺,Al)]Si₈O₂₂(OH)₂
9.DE.20	Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Ferro-fluoro-richterite'	{Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)F₂
9.DE.20	'Fluoro-winchite'	◻{CaNa}{Mg₄Al}(Si₈O₂₂)F₂
9.DE.20	'Ferro-fluoro-winchite'	◻{CaNa}{Fe²⁺₄Al}(Si₈O₂₂)F₂
9.DE.20	'Ferri-barroisite'	◻(CaNa)(Mg₃Fe³⁺₂)(AlSi₇O₂₂)(OH)₂
9.DE.20	'Ferro-ferri-taramite'	Na(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂
9.DE.20	'Ferri-fluoro-barroisite'	◻{CaNa}{Mg₃Fe³⁺₂}(AlSi₇O₂₂)F₂
9.DE.20	'Ferro-fluoro-barroisite'	◻{CaNa}{Fe²⁺₃Al₂}(AlSi₇O₂₂)F₂
9.DE.20	'Ferro-ferri-fluoro-barroisite'	◻{CaNa}{Fe²⁺₃Fe³⁺₂}(AlSi₇O₂₂)F₂
9.DE.20	'Fluoro-barroisite'	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)F₂
9.DE.20	Ferro-ferri-katophorite	Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	'Ferri-fluoro-taramite'	Na(CaNa)(Mg₃Fe³⁺₂)(Al₂Si₆O₂₂)F₂
9.DE.20	'Ferro-ferri-fluoro-taramite'	Na(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)F₂
9.DE.20	'Ferro-fluoro-taramite'	Na(CaNa)(Fe²⁺₃Al₂)(Al₂Si₆O₂₂)F₂
9.DE.20	'Potassic-ferri-taramite'	K(CaNa)(Mg₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂
9.DE.20	'Magnesiotaramite'	{Na}{CaNa}{Mg₃AlFe³⁺}(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.20	'Ferro-barroisite'	◻{CaNa}{Fe²⁺₃Al₂}(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Scandio-winchite	◻(NaCa)(Mg₄Sc)(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferro-richterite	{Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂	Mon. 2/m : B2/m
9.DE.20	'Ferro-winchite'	◻{CaNa}{Fe²⁺₄Al}(Si₈O₂₂)(OH)₂	Mon.
9.DE.25	'Clino-sodic-fluoro-holmquistite'	{Na}{Li₂}{Mg₄Al}(Si₈O₂₂)F₂
9.DE.25	Ferro-ferri-nybøite	NaNa₂[(Fe²⁺₃,Mg)Fe³⁺₂](AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Clino-ferro-ferri-holmquistite	◻{Li₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Oxo-pargasite'	NaCa₂(Mg₃(Al_2-xTi_x))₅(Si₆Al₂O₂₂)O₂
9.DE.25	'Ferri-nybøite'	NaNa₂(Mg₃Fe³⁺₂](AlSi₇O₂₂)(OH)₂	Mon.
9.DE.25	'Ferro-ferri-leakeite'	[Na][Na₂][Fe²⁺₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Ferro-ferri-fluoro-leakeite	Na(Na₂)(Fe²⁺₂Fe³⁺₂Li)(Si₈O₂₂)(F)₂	Mon. 2/m : B2/m
9.DE.25	Ferri-leakeite	[Na][Na₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Fluoro-pedrizite'	NaLi₂(Mg₂Al₂Li)(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Arfvedsonite	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Mangano-ferri-fluoro-leakeite'	NaNa₂(Mn²⁺₂Fe³⁺₂Li)[Si₈O₂₂]F₂	Mon.
9.DE.25	Ferri-obertiite	NaNa₂(Mg₃Fe³⁺Ti)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Riebeckite	◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Unnamed (Possible K-analogue of Ferri-obertiite)'	KNa₂((Mg,Fe,Na)₃Fe³⁺(Ti,Fe))Si₈O₂₂(O,F)₂
9.DE.25	Magnesio-fluoro-arfvedsonite	[Na][Na₂][Mg₄Fe³⁺][Si₈O₂₂](F,OH)₂	Mon. 2/m : B2/m
9.DE.25	'Ferro-fluoro-glaucophane'	◻[Na₂][Fe²⁺₃Al₂]Si₈O₂₂F₂
9.DE.25	Oxo-mangani-leakeite	NaNa₂(Mn³⁺₄Li)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Fluoro-leakeite	NaNa₂(Mg₂Al₂Li)(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	Nybøite	NaNa₂(Mg₃Al₂)(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Sodic-ferri-clinoferroholmquistite'	Na_0.5{Li₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon.
9.DE.25	Potassic-arfvedsonite	[(K,Na)][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Potassic-mangano-mangani-ungarettiite'	KNa₂(Mn²⁺₂Mn³⁺₃)Si₈O₂₂O₂
9.DE.25	Potassic-jeanlouisite	K(NaCa)(Mg₄Ti)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	'Ferri-pedrizite'	[Na][Li₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferro-fluoro-pedrizite	Na(Li₂)(Fe²⁺₂Al₂Li)[Si₈O₂₂]F₂	Mon. 2/m : B2/m
9.DE.25	Potassic-ferri-leakeite	[K][Na₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Potassic-magnesio-fluoro-arfvedsonite	[(K,Na)][Na₂][Mg₄Fe³⁺][Si₈O₂₂][(F,OH)₂]	Mon. 2/m : B2/m
9.DE.25	Mangani-obertiite	NaNa₂(Mg₃Mn³⁺Ti⁴⁺)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Scandio-fluoro-eckermannite	NaNa₂(Mg₄Sc)(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	'Ferro-eckermannite'	NaNa₂(Fe²⁺₄Al)Si₈O₂₂(OH)₂	Mon.
9.DE.25	Ferro-ferri-pedrizite	[Na][Li₂][Fe²⁺₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Pedrizite'	NaLi₂(LiMg₂Al₂)(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferro-pedrizite	NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Potassic-mangani-leakeite	[(Na,K)][Na₂][Mg₂Mn³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Clino-fluoro-holmquistite'	◻{Li₂}{Mg₃Al₂}(Si₈O₂₂)F₂
9.DE.25	Ferro-ferri-obertiite	NaNa₂(Fe²⁺₃Fe³⁺Ti)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Magnesio-riebeckite	◻{Na₂}{Mg₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon.
9.DE.25	Potassic-magnesio-arfvedsonite	[K][Na₂][Mg₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Fluoro-nybøite	NaNa₂(Mg₃Al₂)(AlSi₇O₂₂)(F,OH)₂	Mon. 2/m : B2/m
9.DE.25	Mangano-ferri-eckermannite	{Na}{Na₂}{Mn²⁺₄Fe³⁺}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Fluoro-glaucophane'	◻[Na₂][Mg₃Al₂]Si₈O₂₂F₂
9.DE.25	Fluoro-riebeckite	◻{Na₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	'Magnesio-fluoro-riebeckite'	◻{Na₂}{Mg₃Fe³⁺₂}(Si₈O₂₂)F₂
9.DE.25	'Fluoro-eckermannite'	NaNa₂(Mg₄Al}Si₈O₂₂F₂
9.DE.25	'Ferro-fluoro-eckermannite'	NaNa₂(Fe²⁺₄Al}Si₈O₂₂F₂
9.DE.25	'Fluoro-arfvedsonite'	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂F₂
9.DE.25	Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Ferri-fluoro-nybøite'	NaNa₂(Mg₃Fe³⁺₂)(AlSi₇O₂₂)F₂
9.DE.25	'Ferro-ferri-fluoro-nybøite'	NaNa₂(Fe²⁺₃Fe³⁺₂)(AlSi₇O₂₂)F₂
9.DE.25	Ferro-glaucophane	◻[Na₂][Fe²⁺₃Al₂]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	'Ferro-fluoro-nybøite'	NaNa₂(Fe²⁺₃Al₂)(AlSi₇O₂₂)F₂
9.DE.25	Mangani-dellaventuraite	NaNa₂(MgMn³⁺₂Ti⁴⁺Li)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	'Ferro-leakeite'	NaNa₂(Fe²⁺₂Al₂Li)(Si₈O₂₂)(OH)₂
9.DE.25	'Leakeite'	NaNa₂(Mg₂Al₂Li)(Si₈O₂₂)(OH)₂
9.DE.25	'Potassic-leakeite'	KNa₂(Mg₂Al₂Li)(Si₈O₂₂)(OH)₂
9.DE.25	'Ferri-fluoro-pedrizite'	NaLi₂(LiMg₂Fe³⁺₂)(Si₈O₂₂)F₂
9.DE.25	'Ferro-ferri-fluoro-pedrizite'	NaLi₂(LiFe²⁺₂Fe³⁺₂)(Si₈O₂₂)F₂
9.DE.25	'Ferro-nybøite'	NaNa₂(Fe²⁺₃Al₂)(AlSi₇)O₂₂(OH)₂	Mon.
9.DE.25	'Clino-ferro-ferri-fluoro-holmquistite'	◻{Li₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)F₂
9.DE.25	Mangano-mangani-ungarettiite	NaNa₂(Mn²⁺₂Mn³⁺₃)(Si₈O₂₂)O₂	Mon. 2/m : B2/m
9.DE.25	'Clino-ferri-fluoro-holmquistite'	◻{Li₂}{Mg₃Fe³⁺₂}(Si₈O₂₂)F₂
9.DE.25	'Clino-ferro-fluoro-holmquistite'	◻{Li₂}{Fe²⁺₃Al₂}(Si₈O₂₂)F₂

Fluorescence of RichteriteHide

In UV light:

None

Other InformationHide

Magnetism:

Non-Magnetic

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Richterite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Igneous rock
- Exotic crystalline igneous rock
  - Lamproite

Internet Links for RichteriteHide

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

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References for RichteriteHide

Reference List:

Breithaupt, August (1865) Mineralogische Studien. 25. Richterit, in Mineralogischen Studien. Berg- und hüttenmännische Zeitung, 364

Leake, Bernard E. (1978) Nomenclature of amphiboles. American Mineralogist, 63 (11-12) 1023-1052

Mottana, A., Paris, E., Della Ventura, G., Robert, J.-L. (1990) Spectroscopic evidence for tetrahedrally-coordinated titanium in richteritic amphiboles. Rend. Fis. Accad. Lincei: 1: 387-392.

Oberti, Roberta, Ungaretti, Luciano, Cannillo, Elio, Hawthorne, Frank C. (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite. European Journal of Mineralogy, 4 (3) 425-440 doi:10.1127/ejm/4/3/0425

Oberti, Roberta, Hawthorne, Frank C., Ungaretti, Luciano, Cnr, Cannillo (1993) The behaviour of Mn in amphiboles: Mn in richterite. European Journal of Mineralogy, 5 (1) 43-52 doi:10.1127/ejm/5/1/0043

Hawthorne, Frank C., Della Ventura, Giancarlo, Robert, Jean-Louis, Welch, Mark D., Raudsepp, Mati, Jenkins, David M. (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join. American Mineralogist, 82 (7) 708-716 doi:10.2138/am-1997-7-808

Andrut, M., Gottschalk, M., Melzer, S., Najorka, J. (2000) Lattice vibrational modes in synthetic tremolite-Sr-tremolite and tremolite-richterite solid solutions. Physics and Chemistry of Minerals, 27 (5) 301-309 doi:10.1007/s002690050259

Melzer, Stefan, Gottschalk, Matthias, Andrut, Michael, Heinrich, Wilhelm (2000) Crystal chemistry of K-richterite-richterite-tremolite solid solutions: a SEM, EMP, XRD, HRTEM and IR study. European Journal of Mineralogy, 12 (2) 273-291 doi:10.1127/ejm/12/2/0273

(2001) Richterite. Handbook of Mineralogy. Mineralogical Society of America

Ishida, Kiyotaka, Hawthorne, Frank C. (2001) Assignment of infrared OH-stretching bands in manganoan magnesio-arfvedsonite and richterite through heat-treatment. American Mineralogist, 86 (9) 965-972 doi:10.2138/am-2001-8-902

Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist, 44 (1) 1-21 doi:10.2113/gscanmin.44.1.1

Hawthorne, F. C., Oberti, R., Zanetti, A., Nayak, V.K. (2008) The crystal chemistry of alkali amphiboles from the Kajlidongri Manganese Mine, India. The Canadian Mineralogist, 46 (2) 455-466 doi:10.3749/canmin.46.2.455

Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97 (11) 2031-2048 doi:10.2138/am.2012.4276

Della Ventura, Giancarlo, Redhammer, Günther J., Robert, Jean-Louis, Sergent, Jose, Iezzi, Gianluca, Cavallo, Andrea (2016) Crystal-Chemistry of Synthetic Amphiboles Along the Richterite–Ferro-Richterite Join: A Combined Spectroscopic (FTIR, Mössbauer), XRPD, and Microchemical Study. The Canadian Mineralogist, 54 (1) 97-114 doi:10.3749/canmin.1500076

Day, Maxwell C., Hawthorne, Frank C., Susta, Umberto, Della Ventura, Giancarlo, Harlow, George E. (2018) Short-Range Order-Disorder in Gem Richterite and Pargasite from Afghanistan: Crystal-Structure Refinement and Infrared Spectroscopy. The Canadian Mineralogist, 56 (6) 939-950 doi:10.3749/canmin.1800052

Localities for RichteriteHide

Showing 267 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
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Locality ListHide

👁 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
Badakhshan ⓘ Kokcha Valley	Dipl. Min. M. Schaeffer +1 other reference
Kuran Wa Munjan District ⓘ Kiran	Richard Dale collection & earlier ...
Sar-e-Sang ⓘ Ladjuar Medam 👁 Image	Woodside (n.d.)
ⓘ Ladjuar Medam Richterite occurrence 👁 Image	Dudley Blauwet (2008) +1 other reference
Angola
Huambo Province Londuimbali ⓘ Monte Verde	Gonçalves +1 other reference
Huíla Province Quilengues ⓘ Mount Bonga	Amores-Casals et al. (2019)
Antarctica
East Antarctica Mac Robertson Land Prince Charles Mountains ⓘ Mount Bayliss	Sheraton et al. (1980)
Queen Maud Land ⓘ Straumsvola complex	Woolley (2019)
Australia
Bonaparte Basin ⓘ Fohn Lamproites	Gorter et al. (2002)
ⓘ East Australian Leucitite Suite	Cundari (1973) +3 other references
New South Wales ⓘ Nandewar Range (Nandewar Mountains; Nandewar Volcano)	Dunn et al. (2007)
Victoria Macedon Ranges Shire Mount Macedon ⓘ Camels Hump	Museum Victoria Mineralogy Collection
Western Australia ⓘ Derby-West Kimberley Shire	Jaques et al. (1984)
Calwynyardah Station Calwynyardah field ⓘ Metters Bore No. 1 lamproite pipe	Hwang et al. (1994)
Ellendale ⓘ 81 Mile Vent	Department of Mines Western Australia (1990)
ⓘ Ellendale 16	Jaques et al. (1986)
ⓘ Ellendale 4 West	Dept of Mines WA (1990)
ⓘ Ellendale 7	Jaques et al. (1986)
ⓘ Ellendale 9 East	Jaques et al. (1986)
ⓘ Mount North	Department of Mines Western Australia (1990)
Fitzroy Crossing ⓘ Mount Rose	Jaques et al. (1986)
ⓘ Old Leopold Hill	Jaques et al. (1986)
Noonkanbah Station ⓘ Walgidee Hills	Velde (1968) +3 other references
ⓘ Machells Pyramid	Jaques et al. (1986)
ⓘ Mount Abbott	Jaques et al. (1986)
ⓘ Mount Cedric	Jaques et al. (1986)
ⓘ Mount Noreen	Jaques et al. (1986)
ⓘ Noonkanbah Hill	Jaques et al. (1986)
Halls Creek Shire ⓘ Cummins Range complex (Minneroo Pool)	Sun et al. (1986, September) +2 other references
Leonora Shire ⓘ Turkey Well	Kiviets et al. (1998)
Wyndham-East Kimberley Shire ⓘ Argyle Diamond Mine	Boxer et al. (1990)
Bow River Station ⓘ Bow Hill dikes	Jaques et al. (1986) +3 other references
Austria
Lower Austria Waidhofen an der Thaya District ⓘ Raabs an der Thaya	Exel (1993)
Waidhofen an der Thaya ⓘ Jarolden dike	Nemec (1988)
Salzburg Tamsweg District Tweng ⓘ Fuchs Alp - Fuchs lake area	Kolitsch et al. (2021)
Tyrol Innsbruck-Land District Obernberg am Brenner ⓘ Obernberger Tribulaun	Kolitsch et al. (2018)
Brazil
Goiás Catalão ⓘ Catalão II carbonatite complex	Guarino (2010)
Minas Gerais Ipanema ⓘ Ipanema complex	Guarino (2010)
Paraná Tijucas do Sul Morro Redondo complex ⓘ Papanduva pluton	Grangeiro et al. (2025)
Rondônia Espigão d'Oeste Carolina cluster ⓘ Carolina kimberlite	Gervasoni et al. (2022)
São Paulo Cajati ⓘ Jacupiranga alkaline complex	Oliveira et al. (2020)
ⓘ Jacupiranga mine	Menezes et al. (1984)
Bulgaria
Sofia Province Svoge Municipality Svidnya ⓘ Svidnya Complex	Grozdanov +4 other references
Burundi
Kayanza Province Matongo ⓘ Matongo Carbonatite	Midende et al. (2014)
Cameroon
Adamawa Region Vina Nganha ⓘ Tchabal Nganha Volcano	Gouhier (1974) +1 other reference
Northwest Region ⓘ Oku Massif	Marzoli et al. (Africa) +8 other references
Canada
Alberta Sturgeon County ⓘ Abee meteorite	Mason (1972)
British Columbia Kamloops Mining Division Blue River carbonatites ⓘ Fir carbonatite	Chudy T et al. (2014)
ⓘ Verity claim	- (n.d.)
ⓘ Specimen pit	Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
Omineca Mining Division Williston Lake ⓘ Aley Deposit (Aley Creek Carbonatite Complex)	Taseko
Nova Scotia Cumberland Co. ⓘ Wentworth plutonic complex	Doucette et al. (1997)
Nunavut Qikiqtaaluk Region Ungava bay Abloviak fjord ⓘ Torngat dikes	Tappe et al. (2004)
Ontario Algoma District McMurray Township ⓘ Firesand Creek Carbonatite Complex	Sage (1988)
Haliburton County Highlands East Township Monmouth Township ⓘ Bear Lake diggings	Hawthorne et al. (2006)
ⓘ Gibson Road East occurrence (Titanite Hill)	Mielke (n.d.)
Québec Abitibi-Témiscamingue Témiscamingue RCM Les Lacs-du-Témiscamingue ⓘ Kipawa alkaline complex	Currie et al. (1996) +1 other reference
Laurentides Deux-Montagnes RCM Oka ⓘ St Lawrence Columbium Mine	Self collected specimen with analysis by Frank Hawthorne: (Na0.88K0.09) +1 other reference
ⓘ Oka complex	Gaston Pouliot (1970)
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	Grice (1989) +1 other reference
Outaouais Les Collines-de-l'Outaouais RCM Chelsea Autoroute 5 ⓘ Autoroute 5 extension	Jeffrey de Fourestier collection
Autoroute 5 roadcuts ⓘ Richterite and quartz occurrence	Jeffrey de Fourestier collection
ⓘ Meech Lake carbonatite	Hogarth (2016)
China
Gansu Longnan Li County ⓘ West Qinling	Yu et al. (2001) +2 other references
Guizhou Qiandongnan Zhenyuan County ⓘ Baifen dike	Zhang et al. (2023)
Heilongjiang Harbin Tonghe County ⓘ Milin	Wu et al. (2002)
Hunan Changsha Ningxiang City ⓘ Yunyingwo	Mei et al. (1998)
Inner Mongolia Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo ⓘ Bayan Obo deposit	Qingchang Meng (1981) +1 other reference
ⓘ East Mine	Miyawaki et al. (2011)
Liaoning Dandong Kuandian County ⓘ Saima U-REE deposit	Yiming Zhao and Daxin Li (2003)
Shaanxi Hanzhong Ningqiang County ⓘ Lijiaying Mn deposit	Jiuling Zhang (1982)
Xinjiang Changji Autonomous Prefecture (Sanji Autonomous Prefecture) ⓘ Huangyangshan	Yang et al. (2011)
Czech Republic
South Bohemian Region Český Krumlov District Černá v Pošumaví Bližná ⓘ Václav graphite mine	Radková et al. (2021)
Vysočina Region Třebíč District ⓘ Třebíč	Nemec (1988)
Europe
ⓘ Balkan Mountains	www.bgd.bg/summanual_2003_2.htm.
Finland
Lapland Savukoski Tulppio ⓘ Sokli carbonatite complex	Vartiainen (1980) +22 other references
Sodankylä ⓘ Pahtavaara Au mine	Geological Survey of Finland 2008 ...
North Ostrobothnia Pudasjärvi ⓘ Kortejärvi Carbonatite	www.geologinenseura.fi (2017)
North Savo ⓘ Kuopio-Kaavi diamond field	Hugh E. O'Brien and Matti Tyni (1999)
Siilinjärvi ⓘ Siilinjärvi Carbonatite Intrusion	Puustinnen +29 other references
ⓘ Siilinjärvi Mine	Yara International
France
Auvergne-Rhône-Alpes Savoie Saint-Jean-de-Maurienne Bessans ⓘ Le Coin	Chopin (1978)
Bonneval-sur-Arc ⓘ Ouille du Midi	Chopin (1978)
Corsica Corse-du-Sud Ajaccio Tolla ⓘ Cauro-Bastelica Complex	Bonin et al. (1972) +3 other references
Haute-Corse Bastia ⓘ Sisco	Velde (1968)
French Polynesia Marquesas Islands ⓘ Eiao Island	LIOTARD et al. (1984) +3 other references
Nouvelle-Aquitaine Charente Angoulême Saint-Séverin ⓘ Saint-Séverin meteorite (St-Severin meteorite)	Brearley et al. (1998)
Occitanie Haute-Garonne Toulouse Saint-Jory ⓘ Saint-Sauveur meteorite	Brearley et al. (1998)
Germany
Baden-Württemberg Karlsruhe Region Rhein-Neckar-Kreis Eberbach ⓘ Katzenbuckel	Lippolt et al. (1976) +4 other references
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	Schäfer et al. (2018)
Pellenz Nickenich ⓘ Nickenicher Weinberg ?	Künzel et al. (2011)
Vulkaneifel Daun Üdersdorf ⓘ Löhley	Lapis (2010)
Gerolstein Rockeskyll Rockeskyll volcanic complex ⓘ Auf Dickel (incl. Nonnental)	in the collection of Christof Schäfer
Saxony-Anhalt Saalekreis Landsberg ⓘ Delitzsch Complex	Wand et al. (1989) +7 other references
Greenland
Kujalleq ⓘ Ilímaussaq complex	Cegiełka et al. (2019)
Northeast Greenland National Park ⓘ Werner Bjerge Complex	Brooks et al. (1982)
Qeqqata Isortoq Fjord (Søndre Isortoq) Sarfartoq region ⓘ Sarfartoq carbonatite complex	Petersen et al. (1984)
ⓘ Sisimiut	www.koeln.netsurf.de (1999)
Sermersooq ⓘ Tikiusaaq carbonatite-aillikite	Tappe et al. (2009)
India
Andhra Pradesh Anantapur District ⓘ Muligiripalle plug	Gupta et al. (1986, September) +2 other references
ⓘ Wajrakarur kimberlite field	Ajit Kumar Reddy (1987) +3 other references
Timmasamudram cluster ⓘ TK4 kimberlite	Shaikh et al. (2017)
Wajrakarur–Lattavaram cluster ⓘ P12 kimberlite	Kaur et al. (2016)
Krishna District ⓘ Krishna lamproite field	Rao et al. (1996) +4 other references
ⓘ Ramannapeta-Ustapalle lamproite	Chalapati Rao et al. (1996)
Jharkhand Dhanbad District ⓘ Jharia Coalfield	Rock et al. (1992) +3 other references
ⓘ Borehole 1	Rock et al. (1992)
Madhya Pradesh Jabalpur Division Balaghat District ⓘ Miragpur Mine	Babu et al. (1961)
Jhabua District ⓘ Kajlidongri Mine	Hawthorne et al. (2008)
Meghalaya East Khasi Hills District ⓘ Sung Valley complex	Krishnamurthy (1985) +1 other reference
Rajasthan Jodhpur Division Sirohi district ⓘ Mundwara	Subrahmanyam et al. (1977) +3 other references
Telangana Nalgonda District ⓘ Vattikod lamproite	Kaur et al. (2016)
West Bengal Paschim Medinipur District ⓘ Mohanpur	Kent et al. (1998)
Purulia District ⓘ Purulia carbonatite	Mineral. Petrol. 95 (2009) +1 other reference
ⓘ Beldih Dyke and phosphate quarry	Ghosh Roy et al. (1993) +2 other references
Indonesia
Central Kalimantan Province Murung Raya Regency ⓘ Kajan	Wagner (1986)
Italy
Aosta Valley Bard ⓘ Plan d'Albard	Wagner et al. (1985)
Saint-Marcel Servette-Chuc mining complex ⓘ Praborna Mine	Castello (1982)
Valtournenche Breuil-Cervinia ⓘ Motta di Pletè	Piccoli et al. (2007)
Lazio Metropolitan City of Rome Capital ⓘ Alban Hills	Caponera I.
ⓘ Albano Lake crater	Caponera et al. (2003)
Albano Laziale ⓘ Castelli Romani bypass road (Via Appia Bis)	Caponera et al. (2003)
ⓘ Stracciacappe caldera	Fiori et al. (2001)
Viterbo Province Onano ⓘ Montenero Quarry	Signoretti et al. (2007)
Liguria La Spezia Province Borghetto di Vara ⓘ Cerchiara Mine	Palenzona et al. (1988)
Lombardy Sondrio Province Chiesa in Valmalenco ⓘ Sissone Valley	Marchesini et al. (2025)
Lanzada Scerscen Valley ⓘ Lower Scerscen Glacier	Bedognè et al. (1993)
Piedmont Cuneo Province Canosio Vallone della Valletta ⓘ Valletta Mine	Cámara et al. (2017)
Metropolitan City of Turin Lessolo Calea ⓘ Brosso Mine	Haas (n.d.)
Tuscany Pisa Province Lajatico ⓘ Orciatico	Stefanini +4 other references
Japan
Aichi Prefecture Kitashitara County Shitara ⓘ Taguchi mine	Mineral. Journal
Ehime Prefecture Ouzu City ⓘ Kamisugai mine	Fukushima et al. (2005)
Iwate Prefecture Kunohe-gun Noda ⓘ Noda-Tamagawa mine	Nambu +4 other references
Shimohei District Tanohata ⓘ Tanohata mine	H. Momoi (1964)
Kyoto Prefecture Kizugawa City ⓘ Hokkejino	- (n.d.)
Niigata Prefecture Itoigawa City ⓘ Yamanobo	Takasu A et al. (Sakamoto)
Tochigi Prefecture Kanuma City ⓘ Dohnoiri mine ?	Matsubara et al. (2007)
Kazakhstan
Ulytau Region Zhanaarka District Atasu Mine ⓘ Zhomart Fe-Mn deposit (Dzhumart)	Kayupova (1964)
Kenya
Homa Bay County ⓘ Homa Mountain complex	Sutherland (1969)
Madagascar
Amoron'i Mania Ambatofinandrahana District Itremo ⓘ Marovoalavo	Rasoamalala et al. (2014)
Anosy Amboasary Sud District Tranomaro ⓘ Tsilamaha-Ambovonamboa phlogopite deposit ?	Lavinsky (n.d.)
Malawi
Southern Region Machinga ⓘ Mongolowe-Chaone-Chikala Complexes	Garson (1960) +8 other references
Zomba ⓘ Nchisi Island (Chilwa Island; Shirwa Island)	Dowman et al. (2017)
Morocco
Oriental Region Taourirt Province ⓘ Taourirt Complex	Cherotzky +6 other references
Myanmar
Kachin State Mohnyin District Hpakant Township (Hpakan; Phakant; Phakan) ⓘ Hpakant-Tawmaw Jade Tract	Shi et al. (2011) +2 other references
ⓘ Hpakant (Hpakan; Phakant; Phakan)	Shi et al. (2012)
ⓘ Phakant Mine	Jing Wang et al. (2013)
ⓘ Tawmaw (Tawhmaw; Taw Maw)	C. Mével and J.R. Kiénast +2 other references
Namibia
Otjozondjupa Region Otavi Constituency Kombat ⓘ Kombat Mine	Dunn (1991)
New Zealand
Bay of Plenty Region Rotorua District Mount Ngongotaha ⓘ Hendersons Quarry	www.abdn.ac.uk (n.d.)
Niger
Agadez Arlit ⓘ Abontorok Intrusion	Karche et al. (1977) +3 other references
Nigeria
Jigawa Dutse ⓘ Dutse Complex	Bennett et al. (1984) +1 other reference
North Macedonia
Čaška Municipality Nežilovo Jakupica Mountains Babuna Valley ⓘ Mixed Series formation	Chukanov et al. (2015)
Norway
Telemark Nome ⓘ Holla	Kresten et al. (1986)
ⓘ Hydro Quarry	Larsen et al. (2019)
Oman
Ash Sharqiyah South Governorate ⓘ Bomethra Volcanic Field	Nasir et al. (2008, October)
Paraguay
Alto Paraguay Department ⓘ Cerro Boggiani	Comin-Chiaramonti et al. (2016)
Guairá Department ⓘ Ybytyruzú	Presser et al. (2014)
Poland
Lower Silesian Voivodeship Kłodzko County Gmina Kłodzko ⓘ Rogówek	...
Gmina Stronie Śląskie ⓘ Stójków Dike	Wierzchołowski (Middle Sudetes)
Silesian Voivodeship Pszczyńa County ⓘ Mizerów peat bog	Szopa +4 other references
ⓘ Strumień peat bog	Szopa +4 other references
Portugal
Azores São Miguel ⓘ Água de Pau Volcano	Sturla et al. (2020)
Ribeira Grande ⓘ Ruins of Lombadas syenite xenolith occurrence	Sturla et al. (2020)
Russia
Aldan Shield Chara and Tokko Rivers Confluence ⓘ Murunskii Massif	Konev et al. (1993)
ⓘ Sirenevyi Kamen' Deposit	Dokuchits et al. (2022)
Buryatia Baunt District ⓘ Veseloe	Doroshkevich et al. (2007)
Ivolginsky District ⓘ Khalyuta deposit	Ripp (2002) +1 other reference
Chelyabinsk Oblast Vishnevye Mountains ⓘ Buldym Lake	Nedosekova (2007) +1 other reference
ⓘ Karavai Mt	webmineral.ru (2016)
Irkutsk Oblast ⓘ Malyi Murun Massif (Malomurunskiy; Maly Murun alkaline pluton; Malyy Murun massif)	Vladykin et al. (2008)
Khabarovsk Krai Ayano-Maysky district ⓘ Konder alkaline-ultrabasic massif	Lennikov et al. (2004)
Taikan Ridge Ir-Nimi manganese deposit ⓘ Dzhavodi area	Pavel M. Kartashov analytical data of ...
Krasnoyarsk Krai Enisei Range (Yenisei Ridge; Enisei Ridge) Tatarka Range ⓘ Tatarskii Massif	Pavel.M. Kartashov (n.d.)
Maimecha and Kotui Rivers Basin ⓘ Gulinskii massif (Guli)	Dvorani (2016)
Murmansk Oblast ⓘ Afrikanda complex	Chakhmouradian et al. (2002)
ⓘ Gremyakha-Vyrmes Massif	Arzamastsev et al. (2006)
ⓘ Kitchepakhk Mountain	Konopleva et al. (2008)
Kolsky District ⓘ Seblyavr Massif	Kogarko et al. (1995)
Kovdorsky District ⓘ Kovdor Massif	Mikhailova et al. (2015) +2 other references
ⓘ Kovdor Phlogopite mine	Krasnova (2001)
ⓘ Kovdor Zheleznyi Mine	Mikhailova et al. (2015)
Lovozero Massif ⓘ Mt. Kuetnyuchorr	Mokrushina et al. (2023)
Lovozersky District Suoluai River Valley ⓘ Kuamdespakhk Mt	Selivanova et al. (2024)
ⓘ Niva alkaline intrusion	[var: Titanium- and Potassium-bearing Richterite] Arzamastseva et al. (1999) +1 other reference
Northern Karelia ⓘ Vuoriyarvi alkaline-ultrabasic massif	...
ⓘ Poachvumchorr Mountain	Konopleva et al. (2008)
Turii Cape ⓘ Turii alkaline massif (Turiy massif)	Keith Bell et al. (1996) +1 other reference
ⓘ Vantomnyutsk Mountain	Konopleva et al. (2008)
ⓘ Yudychvumchorr Mountain	Yakovenchuk et al. (2008)
ⓘ Yum'echorr Mt (Yumjechorr)	Konopleva et al. (2008)
Republic of Karelia Kostomuksha City District Kostomuksha Fe deposit ⓘ Lamproite	Gorkovetz et al. (2012)
Loukhsky District ⓘ Tiksheozero massif (Tkishozerskii massif; Tiksheozersky)	Kovalskaya et al. (2017) +2 other references
Sakha Aldan ⓘ Inagli Massif	Ponomarchuk et al. (2019)
ⓘ Inagli chrome diopside deposit	geo.web.ru (2007)
Mirninsky District Alakit-Markha ⓘ Sytykanskaya pipe	Ashchepkov et al. (2015)
Daldyn ⓘ Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)	Rezvukhin +3 other references
Northern Yakutia Olenyok (Olenek) river basin West Ukukit kimberlite field ⓘ "Leningrad" kimberlite pipe	Ashchepkov et al. (2021)
Tuva ⓘ Belaya Zima REE-Nb deposit	Doroshkevich et al. (2016)
Slovakia
Banská Bystrica Region Lučenec District ⓘ Bulhary	Huraiová et al. (2017)
Prešov Region Vranov nad Topľou District Vechec ⓘ Vechec quarry	Ďuďa
South Africa
Northern Cape Frances Baard District Municipality Sol Plaatje Local Municipality Kimberley ⓘ Boshof Road dumps	Konzett et al. (2013)
KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine) ⓘ Bultfontein Mine	Tarasov (2022)
John Taolo Gaetsewe District Municipality Joe Morolong Local Municipality N'Chwaning Mines ⓘ N'Chwaning II Mine	Cairncross et al. (1995)
ⓘ N'Chwaning III Mine	Gu et al. (2019)
ⓘ Wessels Mine	Pohl et al. (1991)
Spain
Canary Islands Las Palmas Province Gran Canaria ⓘ Mogán	H.U. Schmincke and M. Sumita : "Tephra Event Stratigraphy and Emplacement of Volcanoclastic Sediments et al. (ISSN: 1096-7451)
Castile-La Mancha Albacete Hellín ⓘ Cancarix lamproite intrusion	Venturelli et al. (1984) +2 other references
ⓘ Sierra de las Cabras	Salvioli-Mariani et al. (1996)
Murcia Jumilla ⓘ La Celia lamproite outcrops	Nobel +11 other references
ⓘ Nuestra Señora del Carmen Mines	Salvioli-Mariani et al. (1996)
Sweden
Dalarna County Hedemora Garpenberg ⓘ Garpenberg Norra Mine	Grensman et al. (2001)
Örebro County Hällefors Grythyttan ⓘ Sjögruvan
Lindesberg Nyberget ⓘ Nyberget ore field	Roy (1972)
ⓘ Mangruvan	Holtstam (1994)
ⓘ Slöjdartorp	Koark (1970)
Värmland County Filipstad Långban Ore District ⓘ Långban Mine	[var: Astochite, var: Marmairolite] Sjögren (1891)
ⓘ Garden dump	Langhof (2003)
ⓘ Japan working	Holtstam et al. (1999)
ⓘ The Lake dump	Wiklund (2003)
ⓘ The Pole dump	Nysten (2003)
Nordmark mining district Jakobsberg ore field ⓘ Jakobsberg Mine
Persberg ore district Pajsberg ⓘ Harstigen Mine	Hamberg (1888) +1 other reference
ⓘ Stora Pajsberg Mine
Västernorrland County Sundsvall ⓘ Alnö Complex	Kresten +20 other references
Timrå ⓘ Söråker	Sandström et al. (2010)
Västmanland County Norberg ⓘ Häste ore field	Ounchanum et al. (1987)
ⓘ Unga Assersorskan Mine	Nysten et al. (2016)
Switzerland
Grisons Bernina Region Poschiavo ⓘ Selva	Romani (2000) +1 other reference
ⓘ Quadrada (incl. Quadradin)	Romani (2000) +1 other reference
Maloja Region Sils im Engadin/Segl ⓘ Piz Grevasalvas	Philipp. R. (1982) +1 other reference
Tanzania
Songwe Region ⓘ Ngualla Hill Mine	Harmer et al. (2016)
Turkey
Burdur Province Bucak District ⓘ Bucak Lava Field	Lefevre et al. (1983) +4 other references
Eskişehir Province Beylikova District ⓘ Kizilcaören REE deposits (Kyzylkaoren)	Ersoy et al. (2025)
Uganda
Eastern Region Tororo ⓘ Tororo Carbonatite Complex	Sutherland (1969)
Ukraine
Donetsk Oblast Volnovakha Raion ⓘ Dmitrievskii quarry	Dubyna O.V. et al. (2020)
USA
Arizona Coconino County Meteor Crater area ⓘ Canyon Diablo meteorite	Olsen et al. (1968) +1 other reference
Arkansas Pike County Murfreesboro ⓘ Crater of Diamonds State Park (Prairie Creek Lamproite)	B. H (1984) +2 other references
California Humboldt County ⓘ Coyote Peak	...
Colorado El Paso County ⓘ Mount Rosa	Livingston (2020)
Fremont County ⓘ Gem Park complex	USGS Bull 2192
Grand County Middle Park Rabbit Ears Pass ⓘ Rabbit Ears Lamproite	Thompson
Gunnison County White Earth Mining District (Powderhorn Mining District) ⓘ Iron Hill deposit	USGS Bull 2192. +1 other reference
Larimer County ⓘ State Line Kimberlite Mining District	Eckel et al. (1997)
Hawaii Maui County Maui Island ⓘ Puu Koae	Velde (1978)
Kansas ⓘ Woodson County	Woolley (1987)
ⓘ Micro-Lite Quarry (Hills Pond Lamproite)	Mitchell et al. (1999)
Montana Garfield County ⓘ Smoky Butte (Smoky Butte Lamproite)	Velde (1968) +1 other reference
Lincoln County Libby Mining District (Snowshoe Mining District) Libby ⓘ Rainy Creek Mine (W. R. Grace Mine)	Lowers +2 other references
Rainy Creek Mining District ⓘ Vermiculite Mountain Mine (Libby Vermiculite Mine)	Sanchez et al. (2008)
ⓘ Zonolite Mine	Gobla (2012)
Meagher County ⓘ Gordon Butte	Mitchell (2000) +1 other reference
New Jersey Sussex County Franklin ⓘ Franklin Mine	Dunn (1995)
New York St. Lawrence County Fowler Balmat ⓘ Empire State No. 4 Mine	Chamberlain et al. (2023)
North Carolina Haywood County ⓘ Dellwood Metabasite site	Anderson et al. (2009)
Texas Hudspeth County ⓘ Allamoore Talc Mining District	Smith (1991)
ⓘ Buck mine	Price (1983)
ⓘ Diablo East mine	Price (1983)
ⓘ Diablo West mine	Price (1983)
ⓘ T & P Number 1 Quarries	Price (1983)
Wichita County Electra ⓘ Wichita County meteorite	Olsen (7 April 1967)
Utah Summit County Woodland ⓘ Moon Canyon	Best et al. (1968)
Wyoming Sweetwater County ⓘ Leucite Hills Mining District	Hausel et al. (2001)
Yemen
Al Mahwit Governorate ⓘ Jabal Hufash Granite	Civetta et al. (1978) +1 other reference

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⇱ Richterite: Mineral information, data and localities.

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