The average cost of dolime per ton is $1.70-2.00. Its chemical formula is CaMg(CO3)2. It is composed of calcium magnesium carbonate. It is a sedimentary carbonate rock and a mineral. It is white, gray to pink in color. It is used as an ornamental stone and concrete aggregate. It is a source of magnesium oxide. It is also used as refractory, ramming and fettling material in steel melting shops. It is found in different forms in nature, possessing varying structural, textural and chemical characteristics.