White corundum, yomwe imadziwikanso kuti white aluminium oxide, ndi mtundu wa crystalline wa aluminium oxide womwe nthawi zambiri umakhala woyera kapena wowoneka bwino.Ili ndi kuuma kwa Mohs 9.0 ndipo imadziwika chifukwa cha kuuma kwake komanso kulimba kwake, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito popanga zida zolondola, kukonza zinthu zosavala, komanso kumaliza ntchito.White corundum imapangidwa kuchokera ku zida zapamwamba za bauxite zomwe zimawerengedwa ndiukadaulo wapamwamba.Pali mitundu iwiri ikuluikulu ya white corundum: yosakanikirana ndi sintered.Ngakhale kusiyana kwawo, mitundu yonseyi imapereka zinthu zapamwamba zomwe zawalola kupeza malo otchuka m'mafakitale ambiri.