General Information:
Chemical Formula:Cu3BiS3
Composition:(Molecular Weight = 495.82 gm)Copper 38.45 %
CuBismuth 42.15 %
BiSulfur 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
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