General Information:
Chemical Formula:Fe++Fe+++2O4
Composition:(Molecular Weight = 231.54 gm)Iron 72.36 %
FeOxygen 27.64 %
O Empirical Formula: Fe3+3O4
Name Origin:From it's being attracted by a magnet.
Physical Properties: Cleavage:None
Color:grayish black or iron black.
Density:5.1 - 5.2, Average = 5.15
Diaphaniety:Opaque
Habits:Massive - Uniformly indistinguishable crystals forming large masses., Massive - Granular - Common texture observed in granite and other igneous rock., Crystalline - Fine - Occurs as w ell-formed fine sized crystals.
Hardness:5.5-6 - Knife Blade-Orthoclase
Luminescence:None.
Luster:Metallic
Streak:black
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