General Information:
Chemical Formula:
Cu1.1Fe1.2S2
Composition:
(Molecular Weight = 201.05 gm)
Iron 33.33 % Fe
Copper 34.77 % Cu
Sulfur 31.90 % S
Empirical Formula:
Cu1.1Fe2+1.2S2
IMA Status:
Approved IMA 1980
Locality:
Oktyabr mine, Talnakh, Norilsk, Russia.
Name Origin:
Named for Putoran Mountains, Siberia.
Physical Properties:
Cleavage:
[???] Good
Color:
brass yellow.
Density:
4.48
Diaphaniety:
Opaque
Habits:
Crystalline - Coarse - Occurs as well-formed coarse sized crystals., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Metallic
Streak:
black
More details...