Chemical formula: MnO x Al2O3
Melting point: 1569oC
Density: 4.23 g/cm3
Microhardnes: 1500-1700 kp/mm2
Hardness (Moh's): 7.5
Luminescence: Galaxite shows no fluorescence in EPMA.
Crystal system: Cubic
Cell dimensions: a=8.271 A
PDF number: 00-001-1302
ICSD number: 066855
Note:A great number of double oxides exist which are the same structrure type as galaxite and are closely related to this phase. Galaxite was observed frequently in inclusions from different steel types as well from ferroalloys.

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