General Information:
Chemical Formula:Cu9S8
Composition:(Molecular Weight = 828.44 gm)Copper 69.03 %
CuSulfur 30.97 %
S Empirical Formula: Cu9S8
IMA Status:Approved IMA 1978
Locality:Yarrow Creek, AB, Canada.
Name Origin:Named for the locality.
Physical Properties: Cleavage:[0001] Distinct
Color:black or blue.
Density:4.89
Diaphaniety:Opaque
Habits:Tarnishes - Freshly fractured surfaces form a surface oxidation film, Massive - Uniformly indistinguishable crystals forming large masses.,
Hardness:3.5 - Copper Penny
Luster:Metallic
More details...
