Lutumelium oxide e sebelisoa bakeng sa likristale tse hlaheletseng, li-ceramics, tse lebisitsoengtsoeng phofo, litebele, joalo-joalo.
Ke lisebelisoa tsa bohlokoa bakeng sa likristale tsa lalo, hape li sebelisa ts'ebeliso e ikhethang ea cralines, khalase, phosphors, lases.
Litumoum Oxide e boetse e sebelisoa e le catalymsms ha e ntse e tsamaea, ho ata, ho sa le letho, ho hlonama le boikhohomoso.