General Information:
Chemical Formula:
Cu2As3
Composition:
(Molecular Weight = 351.86 gm)
Copper 36.12 % Cu
Arsenic 63.88 % As
Empirical Formula:
Cu2As3
IMA Status:
Approved IMA 1962
Physical Properties:
Cleavage:
[???] Perfect
Color:
black, black, or steel gray.
Density:
5.3
Diaphaniety:
Opaque
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Metallic
Streak:
black
More details...