General Information:
Chemical Formula:(Mn++,Fe++)(V+++,Cr+++)2O4
Composition:(Molecular Weight = 221.57 gm)Manganese 18.60 %
MnVanadium 34.49 %
V Chromium 11.73 %
CrIron 6.30 %
FeOxygen 28.88 %
O Empirical Formula: Mn2+0.75Fe2+0.25V3+1.5Cr0.5O4
IMA Status:Approved IMA 1980
Physical Properties: Color:brown gray or grayish black.
Density:4.64
Diaphaniety:Opaque
Hardness:6.5 - Pyrite
Luster:Metallic
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