General Information:
Chemical Formula:
Pb3As4S9
Composition:
(Molecular Weight = 1,209.88 gm)
Arsenic 24.77 % As
Lead 51.38 % Pb
Sulfur 23.85 % S
Empirical Formula:
Pb3As4S9
Physical Properties:
Color:
steel gray.
Diaphaniety:
Opaque
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., ,
Hardness:
3 - Calcite
Luster:
Metallic
Streak:
reddish brown
More details...