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Cummingtonite

A valid IMA mineral species - grandfathered
This page kindly sponsored by Kerry Gregory, Gemmology Rocks
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About CummingtoniteHide

Formula:
◻{Mg2}{Mg5}(Si8O22)(OH)2
Cummingtonite is defined as a monoclinic amphibole belong to the magnesium-iron-manganese amphibole subgroup.
It is defined with Mg as the dominant element both in the B and C positions.
Colour:
Translucent dark green, brown, grey, colourless
Lustre:
Vitreous
Hardness:
5 - 6
Specific Gravity:
3.1 - 3.6
Crystal System:
Monoclinic
Name:
Cummingtonite was originally named in 1824 by Chester Dewey for the type locality in Cummington, Massachusetts, USA. Dewey (1824) did not analyze the species, but noted its unusual physical appearance. Actual physical description and chemical analyses for cummingtonite were provided by Thomson (1831) and subsequently improved by Smith and Brush (1853). Leake (1978) published a report assigning cummingtonite the wide range Mg/Mg + Fe = 0.3-0.7. In 2006, Hawthorne and Oberti published new boundaries between cummingtonite and grunerite at Mg:Fe2+ = 1:1.
Dimorph of:

Unique IdentifiersHide

Mindat ID:
1170
Long-form identifier:
mindat:1:1:1170:5
GUID
(UUID V4):
d11af867-8056-4809-a5e6-869c733b5d34

IMA Classification of CummingtoniteHide

Classification of CummingtoniteHide

9.DE.05

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
66.1.1.1

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup
14.21.6

14 : Silicates not Containing Aluminum
21 : Silicates of Fe and Mg

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.

SymbolSourceReference
CumIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
CumKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
CumSiivolam & 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
CumWhitney & 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
CumThe 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 CummingtoniteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of CummingtoniteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Translucent dark green, brown, grey, colourless
Streak:
nd
Hardness:
5 - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
on {110}
Density:
3.1 - 3.6 g/cm3 (Measured)    3.3 g/cm3 (Calculated)

Optical Data of CummingtoniteHide

Type:
Biaxial (+)
RI values:
nα = 1.639 - 1.671 nβ = 1.647 - 1.689 nγ = 1.664 - 1.708
2V:
Measured: 65° to 90°, Calculated: 70° to 90°
Max Birefringence:
δ = 0.025 - 0.037
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v or r < v
Pleochroism:
Weak
Comments:
X = Y = colorless; Z = pale green.

Chemistry of CummingtoniteHide

Mindat Formula:
◻{Mg2}{Mg5}(Si8O22)(OH)2

Cummingtonite is defined as a monoclinic amphibole belong to the magnesium-iron-manganese amphibole subgroup.
It is defined with Mg as the dominant element both in the B and C positions.
Common Impurities:
Mn,Ca,Al,Ti,Na,K

Crystallography of CummingtoniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.53 Å, b = 18.23 Å, c = 5.32 Å
β = 101.97°
Ratio:
a:b:c = 0.523 : 1 : 0.292
Unit Cell V:
904.16 ų (Calculated from Unit Cell)
Z:
2
Twinning:
Simple or multiple twinning parallel to {100}

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000145CummingtoniteFischer K F (1966) A further refinement of the crystal structure of cummingtonite (Mg,Fe)7(Si4O11)2(OH)2 American Mineralogist 51 814-81819660293
0001266CummingtoniteGhose S, Yang H (1989) Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations American Mineralogist 74 1091-109619890293
0001752CummingtoniteYang H, Hirschmann M M (1995) Crystal structure of P2_1/m ferromagnesian amphibole and the role of cation ordering and composition in the P2_1/m - C2/m transition in cummingtonite American Mineralogist 80 916-92219950293
0001753CummingtoniteYang H, Hirschmann M M (1995) Crystal structure of P2_1/m ferromagnesian amphibole and the role of cation ordering and composition in the P2_1/m - C2/m transition in cummingtonite American Mineralogist 80 916-92219950293
0001754CummingtoniteYang H, Hirschmann M M (1995) Crystal structure of P2_1/m ferromagnesian amphibole and the role of cation ordering and composition in the P2_1/m - C2/m transition in cummingtonite American Mineralogist 80 916-92219950293
0001788CummingtoniteYang H, Smyth J R (1996) Crystal structure of a P2_1/m ferromagnesian cummingtonite at 140 K American Mineralogist 81 363-36819960140
0001789CummingtoniteYang H, Smyth J R (1996) Crystal structure of a P2_1/m ferromagnesian cummingtonite at 140 K American Mineralogist 81 363-36819960295
0001970CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919980293
0001971CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919980.6293
0001972CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919981.1293
0001973CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919981.32293
0001974CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919982.97293
0001975CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919985.09293
0001976CummingtoniteYang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J (1998) High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P2_1/m phase transition in cummingtonite American Mineralogist 83 288-29919987.9293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
8.30 Å(100b)
3.06 Å(90)
3.26 Å(80)
2.754 Å(70)
1.403 Å(60)
9.12 Å(50)
2.623 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust>4.50
8 : Mafic igneous rocks
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks
20 : Acidic volcanic rocks
Stage 5: Initiation of plate tectonics<3.5-2.5
39 : High-𝑃 metamorphism (blueschist, eclogite, ultrahigh 𝑃 facies)
41 : Mantle metasomatism
Geological Setting:
Commonly occurs in medium-grade regionally metamorphosed rocks; characteristic of metamorphosed iron formations; also as a late-stage mineral in some gabbros and norites; rarely in silicic
volcanic rocks.

Synonyms of CummingtoniteHide

Other Language Names for CummingtoniteHide

Relationship of Cummingtonite to other SpeciesHide

Other Members of this group:
Anthophyllite Root Name Group◻{X2}{Z5}(Si8O22)(OH)2Orth.
Gedrite Root Name Group◻{X2+2}{Z2+3Z3+2}(Al2Si6O22)(OH)2Orth.
Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
Papikeite Root Name GroupNaX2+2(Z2+3Al2)(Si5Al3)O22(OH)2
Suenoite Root Name Group◻{X2}{Z5}(Si8O22)(OH)2
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Cummingtonite associated with RhodoniteCaMn3Mn[Si5O15]
5 photos of Cummingtonite associated with MagnetiteFe2+Fe3+2O4
4 photos of Cummingtonite associated with Chlorite Group
4 photos of Cummingtonite associated with CorkitePbFe3(PO4)(SO4)(OH)6
4 photos of Cummingtonite associated with Garnet GroupX3Z2(SiO4)3
3 photos of Cummingtonite associated with TalcMg3Si4O10(OH)2
2 photos of Cummingtonite associated with SpessartineMn2+3Al2(SiO4)3
2 photos of Cummingtonite associated with FluorophlogopiteKMg3(Si3Al)O10F2
1 photo of Cummingtonite associated with ArsenopyriteFeAsS
1 photo of Cummingtonite associated with Clino-ferro-suenoite◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2

Related Minerals - Strunz-mindat GroupingHide

9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Scandio-winchite◻(NaCa)(Mg4Sc)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Mangani-eckermanniteNaNa2(Mg4Mn3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.05Clino-holmquistite Root Name Group◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.05Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Permanganogrunerite◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2Mon.
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferri-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferro-actinolite◻Ca2Fe2+5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-hornblende◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10JoesmithitePb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2Mon. 2/m : P2/b
9.DE.10Magnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Tremolite◻Ca2Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10CannilloiteCaCa2(Mg4Al)(Si5Al3O22)OH2Mon.
9.DE.10Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2Mon. 2/m : B2/m
9.DE.10Parvo-manganotremolite◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻Ca2Mg5(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Magnesio-fluoro-hornblende◻Ca2Mg5(AlSi7O22)F2
9.DE.10Ferro-fluoro-hornblende◻Ca2(Fe2+4Al)(AlSi7O22)F2
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-ferri-hornblende◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2Mon. 2/m : B2/m
9.DE.10Ferro-cannilloiteCaCa2(Fe2+4Al)(Si5Al3O22)OH2
9.DE.10Ferro-ferri-cannilloiteCaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2
9.DE.10Ferro-fluoro-actinolite◻{Ca2}{Fe5}(Si8O22)F2
9.DE.10Magnesio-ferri-fluoro-hornblende◻Ca2(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-fluoro-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)F2
9.DE.10Ferri-fluoro-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-ferri-fluoro-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-fluoro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)F2
9.DE.10Fluoro-tschermakite◻{Ca2}{Mg3Al2}(Al2Si6O22)F2
9.DE.10Clino-ferro-suenoite◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2
9.DE.15EdeniteNaCa2Mg5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-edeniteNaCa2Fe2+5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-kaersutiteNaCa2{Fe2+3AlTi}(Si6Al2O22)O2Mon.
9.DE.15Ferro-pargasiteNaCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15HastingsiteNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2Mon. 2/m : B2/m
9.DE.15Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2Mon.
9.DE.15Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2Mon. 2/m : P2/m
9.DE.15Potassic-ferro-ferri-sadanagaite{K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-ferri-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon.
9.DE.15Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon. 2
9.DE.15Potassic-pargasiteKCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2Mon.
9.DE.15Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferro-chloro-pargasiteNaCa2(Fe2+4Al)(Al2Si6O22)Cl2
9.DE.15Potassic-fluoro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15Fluoro-hastingsiteNaCa2(Fe2+4Fe3+)(Al2Si6O22)F2
9.DE.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-pargasite(Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2
9.DE.15Potassic-ferro-chloro-edeniteKCa2Fe2+5(AlSi7O22)Cl2
9.DE.15Potassic-magnesio-hastingsiteKCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-pargasiteKCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-hastingsiteKCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasiteNaCa2(Mg4Cr)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferri-kaersutiteNaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-edeniteNaCa2Fe2+5(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.15Ferri-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
9.DE.15Ferro-sadanagaite{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2
9.DE.15Ferri-fluoro-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-ferri-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2
9.DE.15Fluoro-sadanagaite{Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2
9.DE.15Potassic-chloro-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2
9.DE.15Potassic-ferro-chloro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2
9.DE.15Oxo-magnesio-hastingsiteNaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2Mon. 2/m : B2/m
9.DE.15Unnamed (F-dominant analogue of Ferri-kaersutite)(Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2Mon. 2/m : B2/m
9.DE.15Vanadio-pargasiteNaCa2(Mg3+4V)(Al2Si6)O22(OH)2Mon. 2/m : B2/m
9.DE.15Mangani-pargasiteNaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-ferri-katophorite{K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-ferri-barroisite◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-winchite◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2
9.DE.20Ferri-barroisite◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-winchite ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
9.DE.20Ferro-katophorite{Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Ferri-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2Mon.
9.DE.20RichteriteNa(NaCa)Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20TaramiteNa(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-richterite{K}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-katophoriteK(CaNa)(Mg4Al)(AlSi7O22)F2
9.DE.20Ferro-fluoro-katophoriteNa(CaNa)(Fe2+4Al)(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-katophoriteNa(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2Mon.
9.DE.20Ferri-ghoseite◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-winchite◻(NaCa)(Mg4Fe3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.20Ferro-fluoro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)F2
9.DE.20Fluoro-katophoriteNa(CaNa)(Mg4Al)(AlSi7O22)F2Mon.
9.DE.20Potassic-ferri-katophoriteK(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2
9.DE.20Potassic-ferro-richterite{K}{CaNa}{Fe2+5}Si8O22(OH)2
9.DE.20Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-taramiteK{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-winchite◻{CaNa}{Mg4Al}(Si8O22)F2
9.DE.20Ferro-fluoro-winchite◻{CaNa}{Fe2+4Al}(Si8O22)F2
9.DE.20Ferri-fluoro-barroisite◻{CaNa}{Mg3Fe3+2}(AlSi7O22)F2
9.DE.20Ferro-fluoro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-barroisite◻{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2
9.DE.20Fluoro-barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)F2
9.DE.20Ferri-fluoro-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-ferri-fluoro-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-fluoro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)F2
9.DE.20Potassic-ferri-taramiteK(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)
9.DE.20Ghoseite◻[Mn2+Na][Mg4Al]Si8O22(OH)2
9.DE.20Potassic-ferro-ferri-taramiteK(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Clinoferroholmquistite◻Li2[Fe2+3Al2]Si8O22(OH,F)2
9.DE.20Hjalmarite{Na}(NaMn}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25EckermanniteNaNa2(Mg4Al}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-eckermanniteNaNa2(Fe2+4Al)Si8O22(OH)2Mon.
9.DE.25Ferro-glaucophane◻[Na2][Fe2+3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-mangani-leakeite[(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-eckermannite{Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-leakeite[Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Magnesio-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25NybøiteNaNa2(Mg3Al2)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-mangani-ungarettiiteNaNa2(Mn2+2Mn3+3)(Si8O22)O2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Clino-ferro-ferri-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-nybøiteNaNa2(Mg3Fe3+2](AlSi7O22)(OH)2Mon.
9.DE.25Ferro-ferri-leakeite[Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Ferro-ferri-fluoro-leakeiteNa(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2Mon. 2/m : B2/m
9.DE.25Sodic-ferri-clinoferroholmquistiteNa0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2Mon. 2/m : B2/m
9.DE.25Ferri-pedrizite[Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Potassic-ferri-leakeite[K][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-fluoro-leakeiteNaNa2(Mn2+2Fe3+2Li)[Si8O22]F2Mon.
9.DE.25Clino-fluoro-holmquistite◻{Li2}{Mg3Al2}(Si8O22)F2
9.DE.25Mangani-dellaventuraiteNaNa2(MgMn3+2Ti4+Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Potassic-arfvedsonite[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangani-obertiiteNaNa2(Mg3Mn3+Ti4+)Si8O22O2Mon. 2/m : B2/m
9.DE.25Ferro-nybøiteNaNa2(Fe2+3Al2)(AlSi7)O22(OH)2Mon.
9.DE.25Clino-sodic-fluoro-holmquistite{Na}{Li2}{Mg4Al}(Si8O22)F2
9.DE.25Potassic-magnesio-fluoro-arfvedsonite[(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2]Mon. 2/m : B2/m
9.DE.25Ferro-ferri-pedrizite[Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-arfvedsonite[K][Na2][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-glaucophane◻[Na2][Fe2+3Al2]Si8O22F2
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-pedriziteNaLi2(Fe2+2Al2Li)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-pedriziteNa(Li2)(Fe2+2Al2Li)[Si8O22]F2Mon. 2/m : B2/m
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe2+3Fe3+Ti)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-glaucophane◻[Na2][Mg3Al2]Si8O22F2
9.DE.25Fluoro-riebeckite◻{Na2}{Fe2+3Fe3+2}(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Magnesio-fluoro-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Fluoro-eckermanniteNaNa2(Mg4Al}Si8O22F2
9.DE.25Ferro-fluoro-eckermanniteNaNa2(Fe2+4Al}Si8O22F2
9.DE.25Fluoro-arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22F2
9.DE.25Ferri-fluoro-nybøiteNaNa2(Mg3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-ferri-fluoro-nybøiteNaNa2(Fe2+3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-fluoro-nybøiteNaNa2(Fe2+3Al2)(AlSi7O22)F2
9.DE.25Ferro-leakeiteNaNa2(Fe2+2Al2Li)(Si8O22)(OH)2
9.DE.25LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Potassic-leakeiteKNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Ferri-fluoro-pedriziteNaLi2(LiMg2Fe3+2)(Si8O22)F2
9.DE.25Ferro-ferri-fluoro-pedriziteNaLi2(LiFe2+2Fe3+2)(Si8O22)F2
9.DE.25Clino-ferro-ferri-fluoro-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferri-fluoro-holmquistite◻{Li2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferro-fluoro-holmquistite◻{Li2}{Fe2+3Al2}(Si8O22)F2
9.DE.25Ferri-obertiiteNaNa2(Mg3Fe3+Ti)Si8O22O2 Mon. 2/m : B2/m
9.DE.25Oxo-mangani-leakeiteNaNa2(Mn3+4Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Oxo-pargasiteNaCa2(Mg3(Al2-x,Tix))5(Si6Al2O22)O2
9.DE.25Unnamed (Possible K-analogue of Ferri-obertiite)KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2
9.DE.25Potassic-mangano-mangani-ungarettiiteKNa2(Mn2+2Mn3+3)Si8O22O2
9.DE.25Potassic-jeanlouisiteK(NaCa)(Mg4Ti)Si8O22O2Mon. 2/m : B2/m

Other InformationHide

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 CummingtoniteHide

References for CummingtoniteHide

Reference List:

Localities for CummingtoniteHide

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

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - 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.
Antarctica
 
  • Eastern Antarctica
    • Adélie Land
Godard et al. (2017)
    • Queen Maud Land
Schlüter et al. (2011)
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
Teale et al. (2006)
  • Northern Territory
    • Central Desert Region
      • Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)
        • Ambalindum Station
          • Mount Mabel
Warren et al. (1974)
      • Strangways Range
Pigott et al. (1984)
      • Tanami Range
Modat Mineral Occurrence database +1 other reference
Modat Mineral Occurrence database +7 other references
  • Queensland
    • Cloncurry Shire
ref: AmMin 47:360
    • Mareeba Shire
      • Petford
- (1998)
  • South Australia
    • Eyre Peninsula
      • Cowell
www.centrexmetals.com.au (n.d.)
www.centrexmetals.com.au (n.d.)
      • Middleback Range
        • Iron Knob
Sorrell (n.d.)
www.centrexmetals.com.au (n.d.)
    • Flinders Ranges
      • North Flinders Ranges
        • Arkaroola Region (Arkaroola Wilderness Sanctuary; Arkaroola Station)
Noble et al. (1983)
  • Tasmania
    • Waratah-Wynyard municipality
      • Corinna-Savage River district
Bottrill & Taheri
      • Savage River district
Bottrill et al. (2008)
    • West Coast municipality
Bottrill et al. (2008)
R Bottrill 2018 Unpub. MRT report
  • Western Australia
    • Coolgardie Shire
      • Kambalda
        • St. Ives gold camp
Steffen Robertson & Kirsten Pty Ltd (2004)
      • Nepean
Nepean Nickel Deposit +2 other references
      • Spargoville
Porter Geo International Study Tour ...
    • Cue Shire
      • Cue
www.portergeo.com.au (2003)
      • Quinns gold area
Hassan (2017)
    • Dowerin Shire
MinMag 66 (6)
Downes et al. (2002)
    • Dundas Shire
      • Norseman
        • Lake Johnston
Maggie Hays Nickel Mineralization +2 other references
    • Kondinin Shire
Collins et al. (2012)
    • Leonora Shire
      • Bronzewing Goldfield (Mount McClure)
Neil Phillips et al. (1998)
      • Leinster
Econ Geol (1988)
    • Menzies Shire
      • Menangina Station
Marston (1984)
    • Ngaanyatjarraku Shire
      • West Musgrave Block
        • Mantamaru Community
Grguric et al. (2018)
    • Sandstone Shire
Hassan (2014)
    • Yilgarn Shire
      • Marvel Loch
Eilu (2003)
Econ Geol (1984)
      • Southern Cross
Fraser Gold Deposit +3 other references
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Mallnitz
        • Niederer Tauern (Mallnitzer Tauern)
G.Blaß
    • Völkermarkt District
      • Griffen
Niedermayr et al. (1995)
    • Wolfsberg District
      • Sankt Andrä
Niedermayr et al. (1995)
      • Sankt Paul im Lavanttal
        • Kollnitz
J. E. Zirkl: Der Karinthin 43/44:175-188 (1961)
  • Lower Austria
    • Horn District
      • Geras
        • Kottaun
Götzinger (1981) +2 other references
    • Krems-Land District
      • Spitz
        • Miesling valley
Schermann (1971)
  • Tyrol
    • Lienz District
      • Prägraten am Großvenediger
        • Timmelbach valley
Kolitsch et al. (2018)
  • Upper Austria
    • Perg District
      • Saxen
Arthofer et al. (2009)
Bolivia
 
  • Santa Cruz
    • Chiquitos Province
      • Cerro Pelado
Rivas et al. (1998)
Brazil
 
  • Bahia
    • Boquira
Misi et al. (1999)
    • Caetité
      • Maniaçu
[[1]]Santos et al. (2020)
  • Goiás
    • Crixás gold field
      • Crixás
de Oliveira et al. (2003)
    • Mara Rosa district
      • Mara Rosa
Palermo et al. (2008)
  • Minas Gerais
Min Rec 39:125-130
  • Pará
    • Curionópolis
Teixeira (2014)
    • Marabá
Salgado et al. (2019)
    • Parauapebas
      • Alemão Cu deposit
Huang et al. (2022)
Dreher et al. (2008)
  • Rio Grande do Norte
    • Lajes
Neto et al. (2008)
Burkina Faso
 
  • Sahel Region
    • Oudalan Province
Neybergh et al. (1980)
Canada
 
  • British Columbia
    • New Westminster Mining Division
      • Hope
Manor et al. (2014)
    • Omineca Mining Division
      • Pinchi Lake
Ghent et al. (1990)
  • Manitoba
    • Lynn Lake District
      • Laurie Lake
Canadian Mineralogist 38:545-550 (2000)
Menard et al. (1996)
    • Snow Lake District
Duff (2016)
    • Thompson Nickel Belt
      • Moab-Setting Lakes area
A. Dogan Paktunc (1984)
  • Newfoundland and Labrador
    • Labrador
      • Carol Lake
Klein (1966)
      • Wabush Lake
Canadian Mineralogist 7
  • Northwest Territories
    • North Slave Region
      • Yellowknife
Whitty (2007)
  • Nunavut
    • Kivalliq Region
      • Baker Lake
Thurston et al. (2014)
  • Ontario
    • Frontenac County
      • Barrie Township
Econ Geol (1989)
    • Greater Sudbury
      • Hutton Township
Markland et al. (UNK)
    • Kenora District
      • Skinner Lake Area
Econ Geol (1997)
      • Zealand Township
Brand
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
Olivier Langelier Collection
      • Rouyn-Noranda TE
Galley et al. (2000)
    • Estrie
      • Les Sources RCM
        • Val-des-Sources
Normand (2001) +1 other reference
    • Nord-du-Québec
      • Baie-James
Mathieu et al. (2022)
      • Matagami
Canadian Mineralogist 31 +2 other references
      • Nunavik
W. W. Moorhouse and N. Shepherd (1963)
    • Outaouais
      • La Vallée-de-la-Gatineau RCM
Thomson et al. (1981)
      • Les Collines-de-l'Outaouais RCM
May 1984 +4 other references
      • Pontiac RCM
Williams (1990)
  • Saskatchewan
    • Amisk Lake District
Coombe Geoconsultants Ltd. (1991)
Steadman et al. (2015)
China
 
  • Anhui
    • Anqing
      • Taihu County
        • Lake Hualiangting
Castelli et al. (1998)
  • Fujian
    • Longyan
      • Zhangping Co.
Yi et al. (2024)
  • Gansu
    • Jinchang
      • Jinchuan District
Proceedings 30th Intl Geol Cong Vol 16 ...
  • Hebei
    • Qinhuangdao
      • Qinglong County
USGS Open-File Report 03-220
wrgis.wr.usgs.gov (2004)
  • Inner Mongolia
    • Baotou City (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
Qingchang Meng (1981)
    • Hulunbuir City (Hulunbei'er Prefecture)
      • New Barag Right Banner (Xin Barag Youqi)
Han et al. (2022)
  • Jilin
    • Jilin
      • Huadian City
wrgis.wr.usgs.gov (2004)
  • Liaoning
    • Benxi
      • Xihu District
wrgis.wr.usgs.gov (2004)
    • Liaoyang
      • Gongchangling District
wrgis.wr.usgs.gov (2004)
  • Shanxi
    • Lüliang
      • Fangshan County
wrgis.wr.usgs.gov (2004)
      • Lan County
wrgis.wr.usgs.gov (2004)
    • Xinzhou
      • Dai Co.
wrgis.wr.usgs.gov (2004)
      • Fanshi Co.
wrgis.wr.usgs.gov (2004)
  • Xinjiang
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Fuyun Co. (Koktokay Co.)
          • Kuwei river valley
Zhaochong Zhang et al. (2008)
  • Yunnan
    • Honghe
      • Jinping County
Wang et al. (2006)
Czech Republic
 
  • Hradec Králové Region
    • Trutnov District
      • Malá Úpa
Mochnacka et al. (2002)
  • Karlovy Vary Region
    • Karlovy Vary District
      • Boží Dar
        • Zlatý Kopec
Josef Vajdak (2002)
  • Pardubice Region
    • Pardubice District
Prachař +7 other references
Dominican Republic
 
  • María Trinidad Sánchez Province
    • Río San Juan
Saumur et al. (2013)
Egypt
 
  • Red Sea Governorate
    • Wadi Allaqi District
      • Wadi Haimur
Helmy et al. (1995)
Finland
 
  • Kanta-Häme
    • Hämeenlinna
      • Kalvola
Aumo
  • Lapland
    • Sodankylä
      • Kevitsansarvi (Keivitsansarvi)
Le Vaillant et al. (2016)
    • Ylitornio
Molnár et al. (2017)
  • North Karelia
    • Outokumpu
Peltonen et al. (2008)
  • North Ostrobothnia
    • Ii
      • Kuivaniemi
Geological Survey of Finland 2007 ...
Geological Survey of Finland 2007 ...
  • North Savo
    • Keitele
Mäki (1997)
    • Kiuruvesi
Geological Survey of Finland ...
Mäki (1997)
    • Leppävirta
Papunen
  • Pirkanmaa
    • Akaa
Papunen
  • South Karelia
    • Lappeenranta
Hytönen (1999)
    • Taipalsaari
Geological Survey of Finland 2008. ...
  • South Ostrobothnia
    • Kauhajoki
Kärkkäinen et al. (1999)
  • South Savo
    • Rantasalmi
Eilu (2003)
  • Southwest Finland
    • Salo
      • Kisko
Geological Survey of Finland Liipola-N ...
France
 
  • Brittany
    • Côtes-d'Armor
      • Saint-Brieuc
        • Saint-Quay-Portrieux
  • Martinique
    • Arrondissement of Le Marin
      • Les Trois-Îlets
    • Arrondissement of Saint-Pierre
      • Le Morne-Vert
Ph. D'arco
  • Occitanie
    • Hautes-Pyrénées
      • Argelès-Gazost
Arliguie M collection
Le Règne Minéral 47: 5-21
  • Provence-Alpes-Côte d'Azur
    • Hautes-Alpes
      • Briançon
        • Abriès-Ristolas
Abdel-Karim et al. (1989)
Ghana
 
  • Western Region
    • Tarkwa
AmMin 46:642
Greece
 
  • South Aegean
    • Paros
      • Paros
        • Vounia Lefkon
Tombros et al. (2023)
Greenland
 
  • Sermersooq
    • Nuuk
Dymek et al. (6) +1 other reference
Petersen et al. (1993)
        • Allumersat
Friend (1982)
Guyana
 
  • Cuyuni-Mazaruni Region
AmMin 57:1540
India
 
  • Andhra Pradesh
    • Chittoor District
      • Kolar Gold Fields
        • South Schist Belt
Econ Geol (1994)
  • Karnataka
    • Chikkamagaluru District
C. S. Pichamuthu (1950)
    • Kolar District
      • Kolar Gold Fields
Narayanan Kutty et al. (1977)
  • Rajasthan
    • Jaipur district
Sarkar et al. (1980)
      • Sikar District
        • Khetri
Mineralogical Magazine (1967) +1 other reference
    • Jhunjhunu District
Baidya et al. (2018)
    • Jodhpur Division
      • Sirohi District
Deb (1980)
Deb (1980)
Deb (1980) +1 other reference
    • Udaipur Division
      • Udaipur District
Singh et al. (2023)
Indonesia
 
  • Papua Province
    • Mimika Regency
      • Gunung Bijih District (Grasberg District)
Econ Geol (1997)
Italy
 
  • Aosta Valley
    • Saint-Marcel
Martin et al. (1989)
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Montescheno
Piccoli et al. (2007)
      • Ornavasso
Boriani A. (1965) +3 other references
  • Sardinia
    • South Sardinia Province
      • Arburese
Bosi et al. (2018)
Japan
 
  • Hokkaidō Prefecture
    • Oshima Subprefecture
      • Futami District
        • Yakumo
          • Kumaishi
Kobayashi H (1977) +1 other reference
      • Hakodate City
Dr Kazumi Yokoyama analyses
  • Iwate Prefecture
    • Kamaishi City
      • Kamaishi mine
Uchida (1983)
    • Kunohe-gun
      • Noda
Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan) +4 other references
  • Mie Prefecture
    • Nabari City
奥村滋. (1986)
  • Miyagi Prefecture
    • Shibata District
      • Kawasaki
Matsubara (2003)
  • Miyazaki Prefecture
    • Nishiusuki District
      • Takachiho
Fuzimoto (2006)
  • Osaka Prefecture
    • Higashiosaka City
Nishiyama (1983)
Aikawa (1979)
  • Shizuoka Prefecture
    • Fuji City
      • Fujikawa-cho
Analyses by Dr Kazumi Yokoyama
    • Hamamatsu City
Analyses by Dr Hideki Masago
    • Shimada City
Analyses by Dr Hideki Masago
  • Tokyo Metropolis
    • Ōshima Subprefecture
      • Niijima island
photo in: Koubutsu Doshikai (2017)
  • Yamanashi Prefecture
Kato (2009)
    • Otsuki City
Akira Kato (2011)
Kosovo
 
  • Ferizaj District
    • Štrpce (Shtërpcë)
Lauf (2013)
Libya
 
  • Kufra District
GOUDARZI. G.H. (1970)
Madagascar
 
  • Betsiboka
Behier (1963)
Mauritania
 
  • Inchiri Region
    • Akjoujt (Akjout; Fort Repoux)
Denver Region Exploration Geologists ...
Kolb et al. (2006)
Mexico
 
  • Chihuahua
    • Aquiles Serdán Municipality
Megaw (2023)
New Zealand
 
Railton et al. (1990)
  • Bay of Plenty Region
    • Mayor Island (Tuhua)
NZJGG
NZJGG
NZJGG
    • Rotorua District
Railton et al. (1990)
  • Manawatu-Whanganui Region
    • Ruapehu District
      • Tongariro National Park
Topping et al. (1973)
  • Southland Region
    • Invercargill City
Service (1937)
    • Southland District
Railton et al. (1990)
Railton et al. (1990)
    • Westland District
      • Ross
Mason (1953)
Mason et al. (1)
Norway
 
  • Agder
    • Flekkefjord
Barton et al. (1984)
    • Gjerstad
Maijer et al. (1987)
    • Vennesla
Markus Reime collection +1 other reference
  • Innlandet
    • Tynset
      • Kvikne Mines
Nilsen et al. (1972)
Nilsen et al. (1972)
Nilsen et al. (1972)
Nilsen et al. (1972)
Nilsen et al. (1972)
Nilsen et al. (1972)
  • Møre og Romsdal
    • Volda
Eskola (1921)
  • Nordland
    • Vefsn
      • Husvika
Geological Survey of Norway. The Ore ...
  • Rogaland
    • Sauda
Carstens (1919) +2 other references
  • Telemark
    • Tokke
Nordrum et al. (1981)
  • Troms og Finnmark
    • Hasvik
Bøe (2001)
  • Trøndelag
    • Holtålen
      • Haltdalen
Nilsen (1971)
    • Oppdal
Witsø (1995)
  • Vestland
    • Stad
Lappin et al. (1978)
Papua New Guinea
 
  • Central Province
Gonzalez-Alvarez et al. (2013)
Philippines
 
  • Luzon
    • Central Luzon Region
Fournelle et al. (1996)
Poland
 
  • Lower Silesian Voivodeship
    • Karkonosze County
      • Gmina Stara Kamienica
Lis et al. (1986)
Romania
 
  • Suceava County
    • Cârlibaba
      • Cârlibaba
Hârtopanu et al. (1996) +1 other reference
    • Iacobeni
minerals-of-the-carpathians.eu (2008)
Russia
 
  • Belgorod Oblast
Belykh et al. (2007)
    • Kursk Magnetic Anomaly group
Belykh et al. (2007)
Belykh et al. (2007)
  • Chelyabinsk Oblast
    • Verkhny Ufaley
      • Ufaley District (Ufalei District)
Talovina et al. (2003)
  • Irkutsk Oblast
    • Lake Baikal area
Sklyarov et al. (2023)
  • Kamchatka Krai
    • Ust-Bolsheretsky District
      • Dukuk complex
Novakov et al. (2021)
Tararin et al. (2007)
Tararin et al. (2007)
  • Kemerovo Oblast
Zhmodik et al. (2016)
  • Krasnoyarsk Krai
    • Balakhtinsky District
Yakich et al. (2020)
Pekin et al. (2010) +1 other reference
  • Murmansk Oblast
Mitrofanov et al. (1990)
...
    • Olenegorsk
Golikov et al. (1999)
  • Primorsky Krai
    • Dalnegorsk Urban District
Grant et al. (2001)
    • Krasnoarmeysky District
      • Arminsky ore district
        • Vostok
Gvozdev (2001)
  • Republic of Karelia
    • Loukhsky District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
Barkov et al. (2001)
      • Tedino
        • Dyadino lake
Pavel.M. Kartashov (n.d.)
[World of Stones 12:49]
    • Olyokminsky District
USGS Open File Report 2005-1252 p11
  • Sverdlovsk Oblast
Gregor Borg et al (2001)
  • Zabaykalsky Krai
    • Tungokochensky District
      • Vershino-Darasunskiy
Prokof’ev et al. (2007)
Saint Lucia
 
  • Soufriere
Ph. D'arco
Slovakia
 
  • Bratislava Region
    • Pezinok District
      • Pezinok
Pauliš
  • Košice Region
    • Rožňava District
Koděra (1986)
South Africa
 
  • KwaZulu-Natal
    • Ugu District Municipality
Cairncross et al. (1995)
South Korea
 
  • South Jeolla Province
    • Gwangyang City
Kinosaki (1941)
Spain
 
  • Andalusia
    • Almería
      • Serón
        • Jauca Alta
gr-mulhacen.foroactivo.com (n.d.)
    • Málaga
      • Mijas
Oen et al. (1980)
      • Ojén
Romero Silva (2003) +1 other reference
      • Sierra Alpujata
I. S. Oen
  • Catalonia
    • Tarragona
      • Priorat
        • El Molar
Joan Abella i Creus (2012)
  • Extremadura
    • Badajoz
      • Burguillos del Cerro
  • Galicia
    • A Coruña
      • Touro
Williams (1983a)
Sweden
 
  • Dalarna County
    • Avesta
Jansson (2001)
    • Falun
Lasskogen (2010) +1 other reference
      • Svärdsjö
    • Hedemora
      • Garpenberg
Öhman et al. (2000)
    • Ludvika
      • Grängesberg
Wilke (1976)
    • Smedjebacken
      • Väster Silvberg
Joe Cilen
  • Gävleborg County
    • Ljusdal
    • Sandviken
      • Årsunda
  • Jönköping County
    • Vetlanda
      • Fröderyd
Wilke (1997)
Wilke (1997)
Wilke (1997)
  • Örebro County
    • Hällefors
      • Grythyttan
Sundius (1924)
      • Hällefors silver mines
    • Lindesberg
      • Stråssa
    • Ljusnarsberg
      • Kopparberg
Econ Geol (1992)
      • Rödberg Mines
Gatedal (n.d.)
  • Östergötland County
    • Åtvidaberg
  • Skåne County
    • Lund
      • Genarp
  • Södermanland County
    • Katrineholm
      • Sköldinge
    • Nyköping
      • Tunaberg
  • Stockholm County
    • Norrtälje
Magnusson (1940)
  • Uppsala County
    • Östhammar
      • Dannemora
  • Värmland County
    • Filipstad
Damman (1989)
      • Långban Ore District
      • Nordmark mining district
      • Persberg
  • Västerbotten County
    • Malå
  • Västmanland County
    • Fagersta
      • Västanfors
Switzerland
 
  • Ticino
Stalder et al. (1998)
UK
 
  • England
    • Cornwall
      • St Just
        • Botallack
Golley et al. (1995)
Golley et al. (1995)
  • Scotland
    • Highland
      • Wester Ross, Strathpeffer and Lochalsh
Render (n.d.)
Ukraine
 
  • Dnipropetrovsk Oblast
    • Synelnykove Raion
Poliakovska et al. (2023)
  • Kirovohrad Oblast
    • Kropyvnytskyi Raion
Alexander Babynin & Eugenia Slivko (1999) +1 other reference
Baranov et al. (2009) +1 other reference
  • Poltava Oblast
Wikipedia
    • Horishni Plavni
Wikipedia
USA
 
  • Alabama
    • Chilton County
Cook et al. (1982)
    • Coosa County
Cook et al. (1982)
  • Alaska
    • Aleutians East Borough
      • Unalaska Island
...
  • Arizona
    • La Paz County
      • Buckskin Mountains
The-Vug.com Collecting Minerals of La ...
    • Mohave County
      • Hualapai Mountains
        • Hualapai Mining District
          • Pine Peak
Galbraith (1959)
AmMin 21:607
  • California
    • San Bernardino County
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District; Calico-Daggett area)
Murdoch (1966)
    • Santa Cruz County
      • Bonny Doon
Van Nostrand Reinholt Press: 395. +2 other references
  • Colorado
    • Chaffee County
      • Monarch Mining District
Spry et al. (2021)
      • Sedalia Mining District
U.S. Geological Survey Professional ... +1 other reference
    • Clear Creek County
Eckel et al. (1997)
    • Fremont County
      • Cotopaxi Mining District
        • Cotopaxi
          • Mine Gulch
Spry et al. (2021)
Eckel et al. (1997)
      • Grape Creek Mining District (Greenhorn Mining District)
Spry et al. (2021)
Eckel et al. (1997)
      • Texas Creek Area
Eckel et al. (1997)
      • Twelve Mile Park
Eckel et al. (1997)
    • Gilpin County
Eckel et al. (1997)
    • Gunnison County
Journal of Petrology (1991)
    • Jackson County
      • Pearl Mining District
Eckel et al. (1997) +1 other reference
    • Jefferson County
Eckel et al. (1997)
    • Larimer County
      • Prairie Divide Mining District (St. Cloud Mining District)
Eckel et al. (1997)
    • Park County
      • Guffey Mining District
Spry et al. (2021)
  • Connecticut
    • Litchfield County
Samuel Robinson (1825) +1 other reference
    • Middlesex County
      • East Hampton (Chatham)
        • Middle Haddam
Harvard Mineralogical Museum
Harvard Mineralogical Museum
        • Haddam Neck
Schooner (circa 1985)
    • Tolland County
      • Willington
        • West Willington
Ague (1995)
  • Georgia
    • DeKalb County
Cook (1978)
Van Gosen (2005)
Cook (1978)
    • Fulton County
      • Red Oak
Cook (1978)
  • Iowa
    • Sioux County
Windom et al. (1991)
  • Maine
    • Cumberland County
King et al. (1994)
...
...
...
    • Knox County
keck.wooster.edu (n.d.)
      • Warren
W. B. Thompson et al. (2005)
  • Maryland
    • Baltimore County
      • Bare Hills
Rocks & Min.: 21:144-145 +1 other reference
  • Massachusetts
    • Hampden County
      • Chester
Min Rec (1978)
    • Hampshire County
      • Cummington
Dewey (1824) +2 other references
      • Plainfield
Quinn (1945)
  • Michigan
    • Baraga County
      • Imperial Heights
Heinrich et al. (2004)
    • Dickinson County
      • Randville
Morris Jr. (1983)
    • Marquette County
      • Champion
Morris Jr. (1983)
      • Michigamme
Slaughter (2023)
      • Republic
Heinrich et al. (2004)
  • Minnesota
    • St. Louis County
      • Babbitt
- (2005)
  • Montana
    • Beaverhead County
      • Dillon Mining District (Carter Creek Mining District; Frying Pan Basin Mining District)
David Frank and Lorraine Edmond (2001)
    • Gallatin County
      • Spanish Peaks Primitive Area
- (2005)
    • Madison County
      • Cherry Creek Mining District
Chris Tucker and John Betts specimens. +1 other reference
      • Ruby Range
Immega et al. (1976)
    • Park County
      • Crevasse Mining District (Crevice Mining District; Jardine Mining District)
Econ Geol (1997)
Koschmann et al. (1968)
USGS Prof Paper 999
  • New Hampshire
AmMin 85:1606­1616
Morrill
  • New Jersey
    • Sussex County
      • Ogdensburg
        • Sterling Hill
Dunn (1995)
  • New Mexico
Northrop et al. (1996)
      • Tres Hermanas Mountains
        • Tres Hermanas Mining District
          • South Peak (South Sisters Peak)
NMGS 21st Field Conference
Northrop et al. (1996)
  • New York
John H. Betts (2009)
gsa.confex.com (2003)
      • Balmat-Edwards Zinc Mining District
        • Balmat
Marian Lupulescu and R. Rowe (2011)
NY State Museum spec. no. 18106
Stapor
      • Sparta
        • Bald Knob
Winter et al. (1981)
Stapor
    • Buncombe County
Wood (1996)
    • Macon County
      • Cowee Valley
        • Ellijay Mining District
          • Franklin
Absher and McSween H.Y Jr
Swanson (2008)
Stapor
  • Pennsylvania
    • Delaware County
      • Concord Township
Gordon - Min. Penn. (1922)
  • Puerto Rico
    • Lares
Cox (1985)
  • South Dakota
    • Custer County
      • Unorganized mining district [1]
- (2005)
    • Lawrence County
      • Lead Mining District
        • Lead
Am Min (1936)
      • Rochford Mining District
- (2005)
    • Pennington County
      • Keystone Gold Mining District
- (2005)
Koschmann et al. (1968)
- (2005)
- (2005)
- (2005)
- (2005)
- (2005)
- (2005)
- (2005)
  • Tennessee
    • Polk County
Travis A. Paris (2011)
  • Vermont
    • Orleans County
Rocks & Min. Vol. 71 (1996)
Rocks & Min. Vol. 71 (1996)
    • Windsor County
      • Chester
Veblen et al. (1978) +1 other reference
      • Norwich
        • Mt Cube Quadrangle
SPEAR (1982)
Dietrich (1990)
  • Washington
    • Snohomish County
      • Index Mining District
        • Beckler River
Cannon (1975)
  • Wisconsin
    • Eau Claire County
Myers et al. (1974)
    • Jackson County
Kimball +1 other reference
    • Marinette County
Hollister (1982)
    • Oconto County
R&M 73:11-12 pp 378-399 Wisconsin ...
    • Oneida County
      • Ladysmith-Rhinelander Metavolcanic Complex
Adams (1996)
    • Shawano County
      • Tigerton
Cordua (1998)
  • Wyoming
    • Albany County
      • Medicine Bow Mountains
        • Keystone Mining District - Douglas Creek Mining District
Loucks (1976)
Zambia
 
  • North-Western Province
    • Solwezi District
MacIntyre (2019)
Zimbabwe
 
  • Matabeleland North
    • Hwange District
      • Dete (Dett)
Bahnemann
  • Midlands
    • Gokwe North District
Frei (2005)
    • Mberengwa District
      • Sandawana-Belingwe District
- (2002) +1 other reference
 
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