General Information:
Chemical Formula:Pb3Bi2S6
Composition:(Molecular Weight = 1,231.96 gm)Bismuth 33.93 %
BiLead 50.46 %
PbSulfur 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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