General Information:
Chemical Formula:gamma-Fe+++2O3
Composition:(Molecular Weight = 159.69 gm)Iron 69.94 %
FeOxygen 30.06 %
O Empirical Formula: Fe3+2O3
Locality:Iron mountain mine, 9.5 miles NW of Redding, Shasta Co., California.
Physical Properties: Cleavage:None
Color:dark brown.
Density:4.9
Diaphaniety:Opaque
Habits:Massive - Uniformly indistinguishable crystals forming large masses., Massive - Granular - Common texture observed in granite and other igneous rock.,
Hardness:6 - Orthoclase
Luster:Metallic
Streak:brown
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