General Information:
Chemical Formula:Co++Co+++2S4
Composition:(Molecular Weight = 305.06 gm)Cobalt 57.95 %
CoSulfur 42.05 %
S
Empirical Formula: CoCo2S4
Locality:MINERAL HILL
Name Origin:Named after the Swedish botanist, C. Linne (1707-1778).
Physical Properties:
Cleavage:[100] Imperfect
Color:violet gray, copper red, light gray, or steel gray.
Density:4.8
Diaphaniety:Opaque
Habits:Crystalline - Fine - Occurs as well-formed fine sized crystals., Encrustations - Forms crust-like aggregates on matrix., Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:4.5-5.5
Luminescence:None.
Luster:Metallic
Streak:grayish black
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