Chhattisgarh is a rich State in terms of mineral wealth, with so far known 28 varieties of minerals, including diamonds. Chhattisgarh, has substantial coal deposits, which led to its 'power hub' strategy. The tin ore which is a rare metal in India is found in Chhattisgarh. The best quality iron ore deposits in the world are found in the Bailadila mines of Dantewara district in Chhattisgarh. Rich deposits of Bauxite, Limestone, Dolomite and Corundum are also found in the State. The State is lucky to have large deposits of coal, iron ore and limestone in close proximity, which makes it an ideal location for the low cost of production of power, steel and cement.