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Kuramite

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Formula:
Cu3SnS4
System:
Tetragonal
Hardness:
5
Member of:
Stannite group.

Compare also the varieties stannoenargite and stannoluzonite.

Classification of Kuramite

Approved
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
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First Recorded Occurrence of Kuramite

Year of Discovery:
1979

Physical Properties of Kuramite

Hardness (Mohs):
5

Crystallography of Kuramite

Crystal System:
Tetragonal
Cell Parameters:
a = 5.54Å, c = 10.9Å
Ratio:
a:c = 1 : 1.968
Unit Cell Volume:
V 334.54 ų (Calculated from Unit Cell)

Chemical Properties of Kuramite

Formula:
Cu3SnS4
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Zn,In

Relationship of Kuramite to other Species

Member of:
Other Members of Group:
BriartiteCu2(Fe,Zn)GeS4
ČernýiteCu2(Cd,Zn,Fe)SnS4
FamatiniteCu3SbS4
FerrokësteriteCu2(Fe,Zn)SnS4
Ge-stannoiditeCu8Fe2ZnGe2S12
HocartiteAg2(Fe2+,Zn)SnS4
KësteriteCu2(Zn,Fe)SnS4
Kësterite Subgroup
KeutschiteCu2AgAsS4
LuzoniteCu3AsS4
PermingeatiteCu3SbSe4
Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
PirquitasiteAg2ZnSnS4
StanniteCu2(Fe,Zn)SnS4
VelikiteCu2HgSnS4
2.CB.05aColoradoiteHgTe
2.CB.05aHawleyiteCdS
2.CB.05aMetacinnabarHgS
2.CB.05cPolhemusite(Zn,Hg)S
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4
2.CB.05aSphaleriteZnS
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSe
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)S
2.CB.10aChalcopyriteCuFeS2
2.CB.10aEskeborniteCuFeSe2
2.CB.10aGalliteCuGaS2
2.CB.10bHaycockiteCu4Fe5S8
2.CB.10aLenaiteAgFeS2
2.CB.10bMooihoekiteCu9Fe9S16
2.CB.10bPutoraniteCu9(Fe,Ni)9S16
2.CB.10aRoquesiteCuInS2
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16
2.CB.10aLaforêtiteAgInS2
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4
2.CB.15aFerrokësteriteCu2(Fe,Zn)SnS4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4
2.CB.15aIdaiteCu5FeS6
2.CB.15aKësteriteCu2(Zn,Fe)SnS4
2.CB.15bMohiteCu2SnS3
2.CB.15aPirquitasiteAg2ZnSnS4
2.CB.15aStanniteCu2(Fe,Zn)SnS4
2.CB.15cStannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
2.CB.15aVelikiteCu2HgSnS4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8
2.CB.20MawsoniteCu6Fe2SnS8
2.CB.30ColusiteCu26V2(As,Sn,Sb)6S32
2.CB.30GermaniteCu13Fe2Ge2S16
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32
2.CB.30StibiocolusiteCu13V4(Sb,Sn,As)3S16
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8
2.CB.35aKiddcreekiteCu6SnWS8
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4
2.CB.35aRenierite(Cu,Zn)11(Ge,As)2Fe4S16
2.CB.35aVincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4
2.CB.35bCatamarcaiteCu6GeWS8
2.CB.40LautiteCuAsS
2.CB.45CadmoseliteCdSe
2.CB.45GreenockiteCdS
2.CB.45Wurtzite(Zn,Fe)S
2.CB.45RambergiteMnS
2.CB.45Buseckite(Fe,Zn,Mn)S
2.CB.55aCubaniteCuFe2S3
2.CB.55bIsocubaniteCuFe2S3
2.CB.60PicotpauliteTlFe2S3
2.CB.60RaguiniteTlFeS2
2.CB.65ArgentopyriteAgFe2S3
2.CB.65SternbergiteAgFe2S3
2.CB.70SulvaniteCu3VS4
2.CB.75VulcaniteCuTe
2.CB.80EmpressiteAgTe
2.CB.85MuthmanniteAuAgTe2
6.1.2MohiteCu2SnS3
6.1.3VelikiteCu2HgSnS4
6.1.4HemusiteCu6SnMoS8
6.1.5KiddcreekiteCu6SnWS8
6.1.6StanniteCu2(Fe,Zn)SnS4
6.1.7RhodostanniteCu2FeSn3S8
6.1.8MawsoniteCu6Fe2SnS8
6.1.9ChatkaliteCu6FeSn2S8
6.1.10FerrokësteriteCu2(Fe,Zn)SnS4
6.1.11KësteriteCu2(Zn,Fe)SnS4
6.1.12StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
6.1.13ČernýiteCu2(Cd,Zn,Fe)SnS4
6.1.14VincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
6.1.15PirquitasiteAg2ZnSnS4
6.1.16HocartiteAg2(Fe2+,Zn)SnS4
6.1.17Teallite(Pb,Sn)SnS2
6.1.18FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
6.1.19LévyclauditePb8Sn7Cu3(Bi,Sb)3S28
6.1.20CylindritePb3Sn4FeSb2S14
6.1.21PotosíitePb6Sn3FeSb3S16
6.1.22Sakuraiite(Cu,Zn,Fe)3(In,Sn)S4
6.1.23Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
6.1.24Incaite(Pb,Ag)4Sn4FeSb2S15

Other Names for Kuramite

Name in Other Languages:
German:Kuramit
Spanish:Kuramita

Other Information

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

References for Kuramite

Reference List:
American Mineralogist (1980): 65: 1067.

Internet Links for Kuramite

Localities for Kuramite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Argentina
 
  • Catamarca
    • Andalgalá Department
FRANCHINI, Marta et al. Alterationand mineralization along the central section of the Agua Rica deposit(27º26'S-66º16'O), Catamarca. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 391-408
  • Salta
    • Organullo Mining District
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
www.ulb.ac.be/sciences/katangapgm/STUMAT.pdf.
Hungary
 
  • Heves Co.
    • Mátra Mts
      • Recsk
No reference listed
UK
 
  • England
    • Cornwall
      • St Austell District
        • Treverbyn
          • Stenalees
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
[MinRec 24:421]
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 270.
  • Colorado
    • San Juan Co.
      • Red Mountain District
        • Anvil Mountain
Rocks & Minerals 71:2 pp94-101
  • Nevada
    • Esmeralda Co.
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Cactus Range
        • Cactus Springs District
NBMG Spec. Pub. 31 Minerals of Nevada
      • Gold Crater District
NBMG Spec. Pub. 31 Minerals of Nevada
Uzbekistan
 
  • Tashkent Viloyati (Toshkent)
    • Angren Region
      • Chatkal-Kuraminskii Range
ZVMO,(1979) 108, 564-569; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Mineral and/or Locality  
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