General Information:
Chemical Formula:
Cu3BiS3
Composition:
(Molecular Weight = 495.82 gm)
Copper 38.45 % Cu
Bismuth 42.15 % Bi
Sulfur 19.40 % S
Empirical Formula:
Cu3BiS3
Locality:
Wittichen, Baden, Germany.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
None
Color:
lead gray, bronze, steel gray, or tin white.
Density:
6.3 - 6.7, Average = 6.5
Diaphaniety:
Opaque
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., Columnar - Forms columns, Nodular - Tuberose forms having irregular protuberances over the surface.
Hardness:
2.5 - Finger Nail
Luster:
Metallic
Streak:
black
More details...