General Information:
Chemical Formula:
Pb5Cu5Bi7S18
Composition:
(Molecular Weight = 3,393.78 gm)
Copper 9.36 % Cu
Bismuth 43.10 % Bi
Lead 30.53 % Pb
Sulfur 17.01 % S
Empirical Formula:
Pb5Cu5Bi7S18
IMA Status:
Approved IMA 1978
Physical Properties:
Color:
silver gray.
Density:
6.98
Diaphaniety:
Opaque
Hardness:
4 - Fluorite
Luster:
Metallic
More details...