Question

What is Kaolinite?

Answer 1

Kaolinite is a common phyllosilicate mineral with the chemical composition Al₂Si₂O₅(OH)₄. It is named for its type locality, Kao-Ling, Jianxi, China. It forms Kaolinite Group, members of which even belong to larger general group, Clays. Kaolinite's structure is composed of silicate sheets (Si₂O₅) bonded to gibbsite layers, aluminum oxide/hydroxide layers, Al₂(OH)₄. 

Answer 2

Al₂Si₂O₅(OH)_{4 is Kaolinite}