General Information:
Chemical Formula:
AgPb3MnSb5S12
Composition:
(Molecular Weight = 1,777.95 gm)
Manganese 3.09 % Mn
Silver 6.07 % Ag
Antimony 34.24 % Sb
Lead 34.96 % Pb
Sulfur 21.64 % S
Empirical Formula:
AgPb3Mn3+Sb5S12
IMA Status:
Approved IMA 1981
Locality:
Uchuc-Chacua deposit, Cajatambo Province, Peru.
Name Origin:
Named for the locality.
Physical Properties:
Color:
lead gray.
Density:
5.16
Diaphaniety:
Opaque
Habits:
Anhedral Grains - Granular minerals without the expression of crystal shapes, ,
Hardness:
3.5 - Copper Penny
Luster:
Metallic
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