General Information:
Chemical Formula:
Cu2FeSn3S8
Composition:
(Molecular Weight = 851.44 gm)
Iron 13.12 % Fe
Copper 14.93 % Cu
Tin 41.83 % Sn
Sulfur 30.13 % S
Empirical Formula:
Cu22(Fe2+)Sn3S8
IMA Status:
Approved IMA 1968
Locality:
Vila Apacheta, Bolivia.
Name Origin:
Named for its reddish color compared to stannite.
Physical Properties:
Color:
reddish gray.
Density:
4.79
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
Hardness:
4 - Fluorite
Luster:
Metallic
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