General Information:
Chemical Formula:Cu10Fe4Sn(As,Sb)S16
Composition:(Molecular Weight = 1,588.95 gm)Iron 14.06 %
FeCopper 39.99 %
CuTin 7.47 %
SnAntimony 3.83 %
SbArsenic 2.36 %
AsSulfur 32.29 %
S Empirical Formula: Cu10Fe2+4SnAs0.5Sb0.5S16
IMA Status:Approved IMA 1984
Locality:Chizeuil, Saoneet-Loire, France.
Name Origin:Named for Henri Vincienne (1898-1965), French mineralogist.
Physical Properties: Cleavage:None
Color:orange.
Density:4.29
Diaphaniety:Opaque
Habits:Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,
Hardness:4.5 - Between Fluorite and Apatite
Luster:Metallic
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