Chief constituent of china clay

• Main source of kaolin
• Clay mineral used in glossy paper
• A mineral consisting of aluminum silicate

WordNet Word definitions in WordNet
n. a mineral consisting of aluminum silicate; main source of kaolin

Wiktionary Word definitions in Wiktionary
n. (context mineralogy English) A common hydrous aluminosilicate mineral found in sediments, soils and sedimentary rocks, aluminium 2 silicon 2 oxygen 5 (hydroxide) 4 ; one of the kaolin group of minerals.

Wikipedia Word definitions in Wikipedia
Kaolinite is a clay mineral , part of the group of industrial minerals , with the chemical composition Al Si O ( OH ). It is a layered silicate mineral , with one tetrahedral sheet of silica (SiO) linked through oxygen atoms to one octahedral sheet of alumina ...