Hausmannite



Chemical formula: MnO x Mn2O3
Melting point: No data
Density: 4.7-4.84, average=4.76 g/cm3
Microhardnes: No data
Hardness (Moh's): 5.5
Luminescence: Non-fluorescent
Colour in air, bright field reflection: Grey
Colour, polarized reflection: Colourless
Shape: No data
Crystal system: Tetragonal
Cell dimensions: a=5.75 A, c=9.42 A
PDF number: 00-001-1127
ICSD number: 068174
Note: No data







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