Aluminium oxide hydroxide

Aluminium oxide hydroxide is found as one of two well defined crystalline phases, which are also known as the minerals boehmite and diaspore. The minerals are important constituents of the aluminium ore, bauxite.

List of related compounds and minerals
The aluminium oxides, oxide hydroxides, and hydroxides can be summarized as follows:
 * aluminium oxides
 * corundum (Al2O3)
 * akdalaite (4Al2O3·H2O)
 * aluminium oxyhydroxides
 * diaspore (α-AlO(OH))
 * boehmite or böhmite (γ-AlO(OH))
 * aluminium hydroxides
 * gibbsite (often designated as γ-Al(OH)3, but sometimes as α-Al(OH)3, sometimes called hydrargillite or hydrargyllite)
 * bayerite (designated often as α-Al(OH)3 but sometimes as β-Al(OH)3)
 * doyleite
 * nordstrandite