General Information:
Chemical Formula:Cu8Fe3Sn2S12
Composition:(Molecular Weight = 1,298.12 gm)Iron 12.91 %
FeCopper 39.16 %
CuTin 18.29 %
SnSulfur 29.64 %
S Empirical Formula: Cu8Fe2+3Sn2S12
IMA Status:Approved IMA 1969
Locality:Konjo mine, Okayama Prefecture, Japan.
Name Origin:Named for its similarity to stannite.
Physical Properties: Cleavage:None
Color:brass brown.
Density:4.29
Diaphaniety:Opaque
Habits:Massive - Uniformly indistinguishable crystals forming large masses., ,
Hardness:4 - Fluorite
Luster:Metallic
Streak:brown gray
More details...
