Metals and Minerals

Calcite

Calcite is the principal mineral of the rock group known as carbonates. Calcite is a major component in limestone and dolomite.

Calcite, the most common form of natural calcium carbonate (CaCO3), a widely distributed mineral known for the beautiful development and great variety of its crystals. It is polymorphous (same chemical formula but different crystal structure) with the minerals aragonite and vaterite and with several forms that apparently exist only under rather extreme experimental conditions.

Contents A + % A % B + %
Calcium Oxide CaO 56.47 56.19 55.85
Calcium Ca 40.36 40.16 39.91
Magnesium Oxide MgO Traces Traces Traces
Silica SiO2 00.30 00.52 01.38
Aluminium Al2O3 00.05 00.05 00.08
Ferric Oxide Fe2O3 00.04 00.04 00.06
Titanium Dioxide TiO2 Nil Nil Nil
Maganous Oxide MnO Nil Nil Nil
Pottasium Oxide K2O 00.006 00.006 00.006
Phosphorous Pentoxite 00.007 00.009 00.011
Phosphorous P 00.003 00.004 00.005
Sulphur Trioxide So3 00.012 00.02 00.03
Loss on Ignition L.O.I. 43.38 43.12 42.44
Loss on Drying @ 105.C 00.08 00.10 00.10
Chloride Cl 00.02 00.02 00.02
Sulphates SO4 00.017 00.021 00.04
Alkali Water Solution 00.02 00.02 00.12
Heavy Metals Pb Nil Nil Nil
Arsenic As Nil Nil Nil
Carbon-di-oxide CO2 43.30 43.02 42.34
Insoluble(water/alcohol) 99.90 99.96 99.91

Used primarily as construction aggregates, and in production of lime and cement.
Road construction
Riprap and jetty stone
Filter stone,
Railroad ballast
Poultry grit
Mineral food
Sugar processing
Flux stone in steel production
Glass manufacture
Sulfur dioxide removal in power plants
Coal mine dusting to prevent explosions
Acid water treatment
Asphalt fillers
Refractory stone

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