Geversite

General Information:
 Chemical Formula:
Pt(Sb,Bi)2
 Composition:
(Molecular Weight = 482.20 gm)
Bismuth 21.67 % Bi
Antimony 37.87 % Sb
Platinum 40.46 % Pt
 Empirical Formula:
PtSb1.5Bi0.5
 IMA Status:
Approved IMA 1961
Physical Properties:
 Color:
steel gray.
 Density:
10.97
 Diaphaniety:
Opaque
 Hardness:
4.5-5
 Luster:
Metallic
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