General Information:
Chemical Formula:
Pb22Sb26S61
Composition:
(Molecular Weight = 9,679.93 gm)
Antimony 32.70 % Sb
Lead 47.09 % Pb
Sulfur 20.21 % S
Empirical Formula:
Pb22Sb26S61
IMA Status:
Approved IMA 1967
Physical Properties:
Cleavage:
[100] Perfect, [001] Perfect
Color:
lead gray.
Density:
5.75
Diaphaniety:
Opaque
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Metallic
Streak:
black
More details...