... bayerite, doyleite and nordstrandite. Closely related are aluminium oxide hydroxide, AlO(OH), and aluminium oxide, Al2O3, differing ... (OH)4- (tetrahydroxoaluminate).ProductionVirtually all the aluminium hydroxide used commercially is manufactured by the Bayer process ... constipation and is therefore often used with magnesium hydroxide or magnesium carbonate, which have counterbalancing laxative effects ...