General Information:
Chemical Formula:Pb4Sn4FeSb2S15
Composition:(Molecular Weight = 2,083.98 gm)Iron 2.68 %
FeTin 22.79 %
SnAntimony 11.68 %
SbLead 39.77 %
PbSulfur 23.08 %
S Empirical Formula: Pb4Sn4Fe2+Sb2S15
IMA Status:Approved IMA 1974
Locality:Poopo, Bolivia.
Name Origin:Named for the Inca people, pre-European rulers of Chile, Bolivia, and Peru.
Physical Properties: Cleavage:[100] Perfect
Color:lead gray.
Diaphaniety:Opaque
Habits:Microscopic Crystals - Crystals visible only with microscopes., ,
Hardness:2 - Gypsum
Luster:Metallic
More details...
