General Information:
Chemical Formula:
Cu9Fe9S16
Composition:
(Molecular Weight = 1,587.59 gm)
Iron 31.66 % Fe
Copper 36.02 % Cu
Sulfur 32.32 % S
Empirical Formula:
Cu9Fe2+9S16
IMA Status:
Approved IMA 1972
Physical Properties:
Color:
brass yellow, dark purple, or pink brown.
Density:
4.36
Diaphaniety:
Opaque
Hardness:
4 - Fluorite
Luster:
Metallic
Streak:
black
More details...