1.5.3. Dolomite

Limestone with more than 10% of magnesium is called dolomite, when percentage rises to about 45%, it is called true dolomite. Dolomite is chiefly used in metallurgical activities; as refractories; as blast furnace flux; as a source of magnesium salts and in fertilizer and salt industry. Odisha, Chhattisgarh, Andhra Pradesh, Jharkhand, Rajasthan and Karnataka are the major producers of Dolomite in India. Orissa is the largest producer of dolomite in the country with major deposits in Sundargarh, Sambhalpur and Koraput districts.