Lime (Calcia)

Chemical formula: CaO
Melting point: 2572oC
Density: 3.341 g/cm3
Microhardnes: 400 kp/mm2
Hardness (Moh's): 3.5
Luminescence: No data
Crystal system: Cubic
Cell dimensions: a=4.8105 A
PDF number: 00-004-0777
ICSD number: 075785
Note: Dolomite is an important raw material containing CaO used for refractories in steel practice. It is a mineral with the ideal composition CaMg(CO3)2 but dolomite usually also contain varying amounts of FeO, Al2O3 and SiO2.

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