Profile: Ashapura China Clay Co. is engaged in mining, processing and trading of china clay, bentonite, silica sand and pyrophyllite. We are an ISO 9001:2000 certified company. Kaolin or china clay is a natural mineral found in partly decompo-sed granite, an igneous feldsparic rock. Bentonite is an absorbent aluminium phyllosilicate generally impure clay consisting mostly of montmorillonite. Pyrophyllite is a phyllosilicate mineral species belonging to the clay family and composed of aluminium silicate hydroxide.