General Information:
Chemical Formula:Pb4Sb6S13
Composition:(Molecular Weight = 1,976.16 gm)Antimony 36.97 %
SbLead 41.94 %
PbSulfur 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...