Paracostibite

General Information:
 Chemical Formula:
CoSbS
 Composition:
(Molecular Weight = 212.75 gm)
Cobalt 27.70 % Co
Antimony 57.23 % Sb
Sulfur 15.07 % S 
 Empirical Formula:
CoSbS
 IMA Status:
Approved IMA 1970
Physical Properties:
 Color:
gray white or white.
 Density:
6.9
 Diaphaniety:
Opaque
 Hardness:
7 - Quartz
 Luster:
Metallic
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