layered silicate mineral. The chemical formula is AL4 [Si4O10] (OH) 8. There are often small amounts of Fe, Mg, and Cr replacing Al. kaolinite from Jingdezhen, Jiangxi, China is produced in weathered granite crust. It is a high-quality ceramics materials and serves as a filler in the rubber, chemical and paper industries.
Natural materials and products -> Mineral materials