General Information:
Chemical Formula:
Pb5Bi4S11 (?)
Composition:
(Molecular Weight = 2,224.65 gm)
Bismuth 37.58 % Bi
Lead 46.57 % Pb
Sulfur 15.86 % S
Empirical Formula:
Pb5Bi4S11
Physical Properties:
Cleavage:
[???] Good
Color:
gray.
Density:
7.62
Diaphaniety:
Opaque
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Metallic
More details...