General Information:
Chemical Formula:
(Pb,Cu)8Bi9-10(S,Se)22
IMA Status:
Approved IMA 1976
Physical Properties:
Cleavage:
[???] Good
Color:
silver gray.
Density:
7.12
Diaphaniety:
Opaque
Hardness:
2-2.5 - Gypsum-Finger Nail
Luster:
Metallic
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