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Gehlenite



Chemical formula: 2CaO x Al2O3 x SiO2
Melting point: No data
Density: 2.9-3.07, average=2.98 g/cm3
Microhardnes: No data
Hardness (Moh's): 5-6
Luminescence: No data
Crystal system: Tetragonal
Cell dimensions: a=7.69 A, c=5.067 A
PDF number: 00-001-0982
ICSD number: 039921
Note: No data