White clay is an important raw material in the production of various types of white clay ceramics is a pure mineral k at night as a mineral crystal, there are, of course, an important chemical element is a compound of aluminium and Silicon oxide. The chemical formula is: 46 per cent.3 39.8 per cent and 13.9 per cent by mass. White clay found in several provinces of the country, such as Thai prachin buri, uttaradit province Ranong, Surat Thani, Nakhon SI thammarat.
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