I-Lutetium(III) i-Oxide(Lu2O3), eyaziwa ngokuba yi-lutecia, yinto eqinileyo emhlophe kunye ne-cubic compound ye-lutetium. Ingumthombo we-Lutetium ongenakunyibilika kakhulu, one-cubic crystal structure kwaye ifumaneka kwifom emhlophe yomgubo. Lo mhlaba unqabileyo we-oxide yensimbi ubonisa iimpawu ezibonakalayo ezifanelekileyo, njengendawo yokunyibilika ephezulu (malunga ne-2400 ° C), ukuzinza kwesigaba, amandla omatshini, ukuqina, ukuqhutyelwa kwe-thermal, kunye nokwandiswa kwe-thermal ephantsi. Ifanelekile kwiiglasi ezikhethekileyo, izicelo ze-optic kunye ne-ceramic. Ikwasetyenziswa njengezinto ezibalulekileyo zokwenziwa kweekristale zelaser.