General Information:
Chemical Formula:
Cu5FeS6
Composition:
(Molecular Weight = 565.97 gm)
Iron 9.87 % Fe
Copper 56.14 % Cu
Sulfur 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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