Dolomite Powder in India http://www.alliedtalc.com/dolomite-powder-exporter-in-india.php Dolomite is a common rock-forming mineral. It is a calcium magnesium carbonate with a chemical composition of CaMg(CO3)2. It is the primary component of the sedimentary rock known as dolostone and the metamorphic rock known as dolomitic marble. Dolomite is a double carbonate rock with composition of calcium & magnesium (Proportion varying as per mining zone). We offer a wide range of mineral powder which is used in various industries. Dolomite mineral is a double carbonate of calcium and magnesium and it exhibits a granular structure.