General Information:
Chemical Formula:
Ni9Bi2S8
Composition:
(Molecular Weight = 1,202.70 gm)
Nickel 43.92 % Ni
Bismuth 34.75 % Bi
Sulfur 21.33 % S
Empirical Formula:
Ni9Bi2S8
IMA Status:
Approved IMA 1979
Locality:
Oktyabr mine, Norilsk, Russia.
Name Origin:
Named as the Bi analog of hauchecornite.
Physical Properties:
Cleavage:
None
Color:
bronze.
Diaphaniety:
Opaque
Habits:
Tabular - Form dimensions are thin in one direction., Massive - Uniformly indistinguishable crystals forming large masses.,
Hardness:
5.5 - Knife Blade
Luster:
Metallic
Streak:
grayish black
More details...