General Information:
Chemical Formula:
Pb4Sb6S13
Composition:
(Molecular Weight = 1,976.16 gm)
Antimony 36.97 % Sb
Lead 41.94 % Pb
Sulfur 21.09 % S
Empirical Formula:
Pb4Sb6S13
Physical Properties:
Cleavage:
None
Color:
bluish lead gray.
Density:
5.2 - 5.34, Average = 5.27
Diaphaniety:
Opaque
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Metallic
More details...