General Information:
Chemical Formula:
Pb3Bi2S6
Composition:
(Molecular Weight = 1,231.96 gm)
Bismuth 33.93 % Bi
Lead 50.46 % Pb
Sulfur 15.62 % S
Empirical Formula:
Pb3Bi2S6
IMA Status:
Approved IMA 1961
Locality:
Leadville, Colorado, USA.
Name Origin:
Named after the Lillian Mining Co. in Colorado.
Physical Properties:
Cleavage:
[100] Good, [010] Poor
Color:
steel gray.
Density:
7
Diaphaniety:
Opaque
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., Crystalline - Fine - Occurs as well-formed fine sized crystals.,
Hardness:
2-3 - Gypsum-Calcite
Luminescence:
Non-fluorescent.
Luster:
Metallic
Streak:
black
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