Johannsenite



Chemical formula: CaO x MnO x 2SiO2
Melting point: No data
Density: 3.56 g/cm3
Microhardnes: No data
Hardness (Moh's): 6
Luminescence: Non-fluorescent
Crystal system: Monoclinic
Cell dimensions: a=9.83 A, b=9.04 A, c=5.27 A
PDF number: 00-014-0374
ICSD number: 016906
Note: No data










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