GEOLOGY amp; MINERAL RESOURCES OF SRILANKA
26/05/2015#0183;#32;Therefore calcite powder is used as a ller in industries. Calcite is also used in other industries as a minor raw material, ller, soft abrasive materials, etc. Limestone Deposits: There are four main groups of limestone deposits available in Sri Lanka. 1. Crystalline limestone (Marble Dolomite, Calcite etc.), which has been described above. 2. Sedimentary limestone deposits 3. Coral limestone deposits