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Formula: Cu3SnS4
Sulphide, stannite group,
copper- and tin- bearing mineral
Crystal System: Tetragonal
Specific gravity: 4.56 calculated
Hardness: 5
Common impurities: Fe,Zn,In
Environments
Localities
At the type locality, the Kockbulak mine, Ohangaron District, Tashkent Region, Uzbekistan, kuramite occurs
in gold–sulphide–quartz veins, as
inclusions in goldfieldite. Associated minerals include
goldfieldite, famatinite,
hessite, petzite,
sylvanite, altaite,
gold, chalcostibite,
emplectite, mohite,
mawsonite and cassiterite
(HOM).
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