General Information:
Chemical Formula:Mn++Mn+++2O4
Composition:(Molecular Weight = 228.81 gm)Manganese 72.03 %
MnOxygen 27.97 %
O Empirical Formula: Mn3+3O4
Locality:Ilmenau and nearby at Orenstock, in Thuringia.
Name Origin:Named after the German mineralogist, J. F. L. Hausmann (1782-1859).
Physical Properties: Cleavage:[001] Perfect
Color:brownish black or grayish.
Density:4.7 - 4.84, Average = 4.76
Diaphaniety:Opaque
Habits:Massive - Granular - Common texture observed in granite and other igneous rock., Pseudo Octohedral - Crystals show an octohedral outline.,
Hardness:5.5 - Knife Blade
Luminescence:None.
Luster:Sub Metallic
Streak:brown
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