General Information:
Chemical Formula:
NaCu++Fe+++2(VO4)3
Composition:
(Molecular Weight = 543.05 gm)
Sodium 4.23 % Na
Vanadium 28.14 % V
Iron 20.57 % Fe
Copper 11.70 % Cu
Oxygen 35.35 % O
Empirical Formula:
NaCuFe3+2(VO4)3
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
black.
Diaphaniety:
Opaque
Luster:
Metallic
Streak:
red brown
More details...