General Information:
Chemical Formula:
Pb3Cu2Bi8(S,Se)16
Composition:
(Molecular Weight = 3,121.17 gm)
Copper 4.07 % Cu
Bismuth 53.56 % Bi
Lead 19.92 % Pb
Selenium 10.12 % Se
Sulfur 12.33 % S
Empirical Formula:
Pb3Cu2Bi8S12Se4
IMA Status:
Approved IMA 1975
Physical Properties:
Cleavage:
[???] Good
Color:
gray.
Density:
6.77
Diaphaniety:
Opaque
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Metallic
More details...