General Information:
Chemical Formula:
(Cu,Zn)11(Ge,As)2Fe4S16
Composition:
(Molecular Weight = 1,655.51 gm)
Zinc 21.72 % Zn
Iron 13.49 % Fe
Copper 24.95 % Cu
Germanium 6.58 % Ge
Arsenic 2.26 % As
Sulfur 30.99 % S
Empirical Formula:
Cu6.5Zn5.5Ge1.5As0.5Fe2+4S16
Name Origin:
Named after the Belgian geologist, A. Renier.
Physical Properties:
Cleavage:
None
Color:
bronze yellow or pinkish brown.
Density:
4.3
Diaphaniety:
Opaque
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:
4-5 - Fluorite-Apatite
Luster:
Metallic
Streak:
blackish gray
More details...