General Information:
Chemical Formula:Cu5FeS6
Composition:(Molecular Weight = 565.97 gm)Iron 9.87 %
FeCopper 56.14 %
CuSulfur 33.99 %
S
Empirical Formula: Cu5Fe2+S6
Locality:Ida mine, Khan, and Tsumeb, Namibia.
Name Origin:Named for the locality.
Physical Properties:
Color:brown, copper red, or red.
Density:4.2
Diaphaniety:Opaque
Habits:Microscopic Crystals - Crystals visible only with microscopes., Inclusions - Generally found as inclusions in other minerals.,
Hardness:2.5-3.5 - Finger Nail-Copper Penny
Luster:Metallic
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