General Information:
Chemical Formula:
Cu3VS4
Composition:
(Molecular Weight = 369.84 gm)
Vanadium 13.77 % V
Copper 51.55 % Cu
Sulfur 34.68 % S
Empirical Formula:
Cu3V2+S4
Locality:
Burra, South Australia.
Name Origin:
Named after sulfur (sul) and vanadium (van) in the chemical formula.
Physical Properties:
Cleavage:
[???] Perfect
Color:
bronze or steel gray.
Density:
4
Diaphaniety:
Opaque
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., Crystalline - Coarse - Occurs as well-formed coarse sized crystals.,
Hardness:
3.5 - Copper Penny
Luminescence:
Non-fluorescent.
Luster:
Metallic
Streak:
black
More details...