Kuramite (original) (raw)
A valid IMA mineral species
About KuramiteHide
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Specific Gravity:
4.56 (Calculated)
Crystal System:
Tetragonal
Name:
Named in 1979 by V.A. Kovalenker, T.L. Evstigneeva, N.V. Troneva, and L.N. Vyal´sov for the Kuramin (Qurama) Mountains where the type locality is found.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2291:6
0d4f68db-25fe-4db6-9cc4-777c405e5cbf
IMA Classification of KuramiteHide
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Type description reference:
Classification of KuramiteHide
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2.CB.15a
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.9.2.4
2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
6.1.1
6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
1 : Sulphostannates and other sulfides containing Sn
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Ku | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Ku | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of KuramiteHide
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Hardness:
VHN20=379 - 432 kg/mm2 - Vickers
Density:
4.56 g/cm3 (Calculated)
Optical Data of KuramiteHide
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Anisotropism:
Distinct, brown shades
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
460nm | 25.3% | 25.2% |
540nm | 26.5% | 28.7% |
580nm | 26.7% | 29.5% |
640nm | 26.5% | 28.0% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 29.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Neutral gray
Chemistry of KuramiteHide
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Common Impurities:
Fe,Zn,In
Crystallography of KuramiteHide
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Crystal System:
Tetragonal
Class (H-M):
42_m_ - Scalenohedral
Cell Parameters:
a = 5.545(5) Å, c = 10.75(2) Å
Unit Cell V:
330.53 ų (Calculated from Unit Cell)
Crystal StructureHide
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ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0013950 | Kuramite | Chen X, Wada H, Sato A, Mieno M (1998) Synthesis, electrical conductivity, and crystal structure of Cu4Sn7S16 and structure refinement of Cu2SnS3 Journal of Solid State Chemistry 139 144-151 | 1998 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.13 Å | (10) |
1.914 Å | (8) |
1.640 Å | (6) |
1.108 Å | (4) |
1.244 Å | (3) |
2.70 Å | (2) |
1.044 Å | (2) |
Geological EnvironmentHide
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Type Occurrence of KuramiteHide
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General Appearance of Type Material:
Inclusions, 5-80 microns in diameter within goldfieldite.
Place of Conservation of Type Material:
- A. E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia.
- Institute of Ore Deposits (IGEM), Moscow, Russia.
Geological Setting of Type Material:
Associated Minerals at Type Locality:
Reference:
Kovalenker, V.A., Evstigneeva,T.L., Troneva, N.V., Vyal´sov, L.N. (1979) Kuramite, Cu3SnS4, a new mineral of the stannite group. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 108: 564-569.
Synonyms of KuramiteHide
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Other Language Names for KuramiteHide
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Relationship of Kuramite to other SpeciesHide
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Other Members of this group:
Briartite | Cu2(Fe,Zn)GeS4 | Tet. |
---|---|---|
Černýite | Cu2(Cd,Zn,Fe)SnS4 | Tet. 42_m_ : I_42_m |
Famatinite | Cu3SbS4 | Tet. 42_m_ : I_42_m |
Ferrokësterite | Cu2FeSnS4 | Tet. 4 : _I_4 |
Hocartite | Ag2(Fe2+,Zn)SnS4 | Tet. 42_m_ : I_42_m |
Kësterite | Cu2ZnSnS4 | Tet. 4 : _I_4 |
Keutschite | Cu2AgAsS4 | Tet. 42_m_ : I_42_m |
Luzonite | Cu3AsS4 | Tet. 42_m_ : I_42_m |
Omariniite | Cu8Fe2ZnGe2S12 | Orth. 222 : _I_222 |
Permingeatite | Cu3SbSe4 | Tet. 42_m_ : I_42_m |
Petrukite | (Cu,Fe,Zn,Ag)3(Sn,In)S4 | Orth. m _m_2 : P m _n_21 |
Pirquitasite | Ag2ZnSnS4 | Tet. 4 : _I_4 |
Richardsite | Zn2CuGaS4 | Tet. 42_m_ : I_42_m |
Stannite | Cu2FeSnS4 | Tet. 42_m_ : I_42_m |
Stannoidite | Cu+6Cu2+2(Fe2+,Zn)3Sn2S12 | Orth. 222 : _I_222 |
UM1984-30-S:CuFeSn | Cu2Fe2Sn3S7 | |
Unnamed (Cu-Zn-In Sulphide) | CuZn2InS4 | |
Velikite | Cu2HgSnS4 | Tet. 4 : _I_4 |
Zincobriartite | Cu2(Zn,Fe)(Ge,Ga)S4 | Tet. 42_m_ : I_42_m |
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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2.CB. | Agmantinite | Ag2MnSnS4 | Orth. |
---|---|---|---|
2.CB. | Richardsite | Zn2CuGaS4 | Tet. 42_m_ : I_42_m |
2.CB. | Gachingite | Au(Te1-xSex) | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.CB. | Tolstykhite | Au3S4Te6 | Tric. 1 : _P_1 |
2.CB. | Hanswilkeite | KFeS2 | Mon. 2/m : _B_2/b |
2.CB. | Auroselenide | AuSe | Mon. 2/m : _B_2/m |
2.CB. | Ruizhongite | (Ag2◻)Pb3Ge2S8 | Iso. 43_m_ : I_43_d |
2.CB. | Okruginite | Cu2SnSe3 | Mon. m : B b |
2.CB.05a | Coloradoite | HgTe | Iso. 43_m_ : F_43_m |
2.CB.05a | Hawleyite | CdS | Iso. 43_m_ : F_43_m |
2.CB.05a | Metacinnabar | HgS | Iso. 43_m_ : F_43_m |
2.CB.05c | Polhemusite | (Zn,Hg)S | Tet. |
2.CB.05b | Sakuraiite | (Cu,Zn,Fe)3(In,Sn)S4 | Iso. |
2.CB.05a | Sphalerite | ZnS | Iso. 43_m_ : F_43_m |
2.CB.05a | Stilleite | ZnSe | Iso. 43_m_ : F_43_m |
2.CB.05a | Tiemannite | HgSe | Iso. 43_m_ : F_43_m |
2.CB.05 | UM1998-15-S:CuFeZn | Cu2Fe3Zn5S10 | |
2.CB.05a | Rudashevskyite | (Fe,Zn)S | Iso. 43_m_ : F_43_m |
2.CB.05a | Ishiharaite | (Cu,Ga,Fe,In,Zn)S | Iso. 43_m_ : F_43_m |
2.CB.07a | Shenzhuangite | NiFeS2 | Tet. 42_m_ : I_42_d |
2.CB.07a | Unnamed (Cu-Mn-Sn Sulphide) | Cu2MnSnS4 | |
2.CB.10a | Chalcopyrite | CuFeS2 | Tet. 42_m_ : I_42_d |
2.CB.10a | Eskebornite | CuFeSe2 | Tet. 42_m_ : P_42_c |
2.CB.10a | Gallite | CuGaS2 | Tet. 42_m_ : I_42_d |
2.CB.10b | Haycockite | Cu4Fe5S8 | Orth. 222 |
2.CB.10a | Lenaite | AgFeS2 | Tet. 42_m_ : I_42_d |
2.CB.10b | Mooihoekite | Cu9Fe9S16 | Tet. 42_m_ : P_42_m |
2.CB.10b | Putoranite | Cu1.1Fe1.2S2 | Iso. m_3_m _(_4/_m_32/m ) : P n_3_m |
2.CB.10a | Roquesite | CuInS2 | Tet. 42_m_ : I_42_d |
2.CB.10b | Talnakhite | Cu9(Fe,Ni)8S16 | Iso. 43_m_ : I_43_m |
2.CB.10a | Laforêtite | AgInS2 | Tet. 42_m_ : I_42_d |
2.CB.10a | Unnamed (Cu-Zn-In Sulphide) | CuZn2InS4 | |
2.CB.10a | UM1984-30-S:CuFeSn | Cu2Fe2Sn3S7 | |
2.CB.10c | Omariniite | Cu8Fe2ZnGe2S12 | Orth. 222 : _I_222 |
2.CB.15a | Černýite | Cu2(Cd,Zn,Fe)SnS4 | Tet. 42_m_ : I_42_m |
2.CB.15a | Ferrokësterite | Cu2FeSnS4 | Tet. 4 : _I_4 |
2.CB.15a | Hocartite | Ag2(Fe2+,Zn)SnS4 | Tet. 42_m_ : I_42_m |
2.CB.15a | Idaite | Cu5FeS6 | Hex. |
2.CB.15a | Kësterite | Cu2ZnSnS4 | Tet. 4 : _I_4 |
2.CB.15b | Mohite | Cu2SnS3 | Mon. |
2.CB.15a | Pirquitasite | Ag2ZnSnS4 | Tet. 4 : _I_4 |
2.CB.15a | Stannite | Cu2FeSnS4 | Tet. 42_m_ : I_42_m |
2.CB.15c | Stannoidite | Cu+6Cu2+2(Fe2+,Zn)3Sn2S12 | Orth. 222 : _I_222 |
2.CB.15a | Velikite | Cu2HgSnS4 | Tet. 4 : _I_4 |
2.CB.15c | UM2006-11-S:CuFeGeZn | Cu8(Fe,Zn)3Ge2S12 (?) | |
2.CB.17a v | Arsenic-bearing Renierite | Cu11GeAsFe4S16 | |
2.CB.20 | Chatkalite | Cu6FeSn2S8 | Tet. 42_m_ : _P_4_m_2 |
2.CB.20 | Mawsonite | Cu6Fe2SnS8 | Tet. 42_m_ : _P_4_m_2 |
2.CB.30 | Argyropyrite | near Ag2Fe7S11 | |
2.CB.30 | Colusite | Cu13VAs3S16 | Iso. 43_m_ : P_43_n |
2.CB.30 | Germanite | Cu13Fe2Ge2S16 | Iso. 43_m_ : P_43_n |
2.CB.30 | Germanocolusite | Cu26V2(Ge,As)6S32 | Iso. 43_m_ : P_43_m |
2.CB.30 | Nekrasovite | Cu26V2(Sn,As,Sb)6S32 | Iso. 43_m_ : P_43_n |
2.CB.30 | Stibiocolusite | Cu13V(Sb,Sn,As)3S16 | Iso. 43_m_ : P_43_m |
2.CB.30 | Ovamboite | Cu20(Fe,Cu,Zn)6W2Ge6S32 | Iso. 43_m_ : P_43_n |
2.CB.30 | Maikainite | Cu20(Fe,Cu)6Mo2Ge6S32 | Iso. m_3_m _(_4/_m_32/m ) |
2.CB.30 | Frieseite | Ag2Fe5S8 (?) | |
2.CB.35a | Hemusite | Cu6SnMoS8 | Iso. |
2.CB.35a | Kiddcreekite | Cu6SnWS8 | Iso. 43_m_ : F_43_m |
2.CB.35a | Polkovicite | (Fe,Pb)3(Ge,Fe)1-xS4 | Iso. |
2.CB.35a | Renierite | (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16 | Tet. 42_m_ : P_42_c |
2.CB.35a | Vinciennite | Cu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16 | Tet. |
2.CB.35a | Morozeviczite | (Pb,Fe)3Ge1-xS4 | Iso. |
2.CB.35b | Catamarcaite | Cu6GeWS8 | Hex. 6_m_ m : P_63_m c |
2.CB.40 | Lautite | CuAsS | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
2.CB.42 | Lingbaoite | AgTe3 | Trig. 3_m_ : R_3_m |
2.CB.45 | Cadmoselite | CdSe | Hex. 6_m_ m : P_63_m c |
2.CB.45 | Greenockite | CdS | Hex. 6_m_ m : P_63_m c |
2.CB.45 | Wurtzite | (Zn,Fe)S | Hex. 6_m_ m : P_63_m c |
2.CB.45 | Rambergite | MnS | Hex. 6_m_ m : P_63_m c |
2.CB.45 | Buseckite | (Fe,Zn,Mn)S | Hex. 6_m_ m : P_63_m c |
2.CB.45 | Maletoyvayamite | Au3Se4Te6 | Tric. 1 : _P_1 |
2.CB.47 | Murchisite | Cr5S6 | Trig. 3_m_ _(_32/m ) : P_31_c |
2.CB.50 | Zincselenide | ZnSe | |
2.CB.50 | Wassonite | TiS | Trig. 3_m_ _(_32/m ) : R_3_m |
2.CB.52 | Dzhezkazganite | ReMoCu2PbS6 ? | Trig. 3_m_ : R_3_m |
2.CB.55a | Cubanite | CuFe2S3 | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.CB.55b | Isocubanite | CuFe2S3 | Iso. m_3_m _(_4/_m_32/m ) : F m_3_m |
2.CB.60 | Picotpaulite | TlFe2S3 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
2.CB.60 | Raguinite | TlFeS2 | Orth. |
2.CB.65 | Argentopyrite | AgFe2S3 | Mon. 2/m |
2.CB.65 | Sternbergite | AgFe2S3 | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.CB.70 | Sulvanite | Cu3VS4 | Iso. 43_m_ : P_43_m |
2.CB.75 | Vulcanite | CuTe | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.CB.80 | Empressite | AgTe | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.CB.85 | Muthmannite | AuAgTe2 | Mon. 2/m : _P_2/m |
Other InformationHide
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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 KuramiteHide
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References for KuramiteHide
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Reference List:
Chen, Xue-an, Wada, Hiroaki, Sato, Akira, Mieno, Masahiro (1998) Synthesis, electrical conductivity, and crystal structure of Cu4Sn7S16 and structure refinement of Cu2SnS3. Journal of Solid State Chemistry, 139. 144-151 doi:10.1006/jssc.1998.7822
Localities for KuramiteHide
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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
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- 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.
Arctic Ocean | |
---|---|
Norwegian Sea Mohns Ridge ⓘ Loki’s Castle ? | Olsen (2016) |
Argentina | |
Catamarca Province Andalgalá Department Andalgalá ⓘ Agua Rica Mine | FRANCHINI (27º26'S-66º16'O) |
Salta Province Los Andes department San Antonio de los Cobres Organullo mining district ⓘ Julio Verne mine | de Brodtkorb (2009) +2 other references |
Chile | |
Coquimbo Elqui Province ⓘ El Indio deposit | Henley et al. (2012) |
DR Congo | |
Haut-Katanga ⓘ Kambove Territory | ... |
Greece | |
Eastern Macedonia and Thrace Evros Alexandroupoli ⓘ Perama Hill deposit | Voudouris et al. (2011) |
Hungary | |
Heves County Pétervására District Recsk ⓘ Lahóca Hill | |
Japan | |
Hokkaidō Prefecture Shiribeshi Subprefecture ⓘ Suttsu mine | CHIMIZU (1993) |
UK | |
England Cornwall Treverbyn Stenalees ⓘ Gunheath China Clay Pit | Golley et al. (1995) |
USA | |
Arizona Cochise County ⓘ Bisbee | Graeme (1993) |
ⓘ Campbell Mine | Anthony et al. (1995) |
Colorado San Juan County Anvil Mountain ⓘ Zuni Mine | Rocks & Minerals 71:2 pp94-101 |
Nevada Esmeralda County ⓘ Goldfield Mining District | Castor et al. (2004) |
Nye County Cactus Range Cactus Springs Mining District ⓘ Fairday Mine | Castor et al. (2004) |
Gold Crater Mining District ⓘ Unnamed shaft (2) | Castor et al. (2004) |
Uzbekistan (TL) | |
Tashkent Region Ohangaron District ⓘ Kockbulak mine (Kochbulak Au-Ag-Te deposit) (TL) | Kovalenker et al. (1979) +3 other references |