Applications : The glass and ceramic industries are the major consumers of feldspar and account for 95% of the total consumption. Feldspar is generally used in making the body composition of several types of procelain, china and earthenware and also in the preparation of glazes and enamel. It is also used as an important ingredient in the glass sand batch. Used as a bonding agent in the manufacture of bonded abrasives like wheels and discs of garnet, corundum, emery etc.