Cr-galaxite

Chemical formula: MnO x Cr2O3
Melting point: No data
Density: 4.87 g/cm3
Hardness (Moh's): 7.5
Crystal system: Cubic
Cell dimensions: a=8.51 A
PDF number: 00-29-880
ICSD number: 066855
Note: Cr galaxite is a common phase is Cr steel inclusions. It is usuallu easily identified in microscope as white, regular idiomorphc crystals. Cr galaxite and Cr2O3 are microscopically similar, but the former has a lower microhardness and is isotropic.


























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