Dioxyde ya Thorium (ThO2), nanonethorium (IV) oxyde, ni idashonga cyane ubushyuhe bwa Thorium isoko.Ni kristu ikomeye kandi akenshi yera cyangwa umuhondo mubara.Azwi kandi nka thoria, ikorwa cyane cyane nkibicuruzwa biva muri lanthanide na uranium.Thorianite nizina ryuburyo bwa mineralogical ya thorium dioxyde.Thorium ihabwa agaciro cyane mubirahuri na ceramic nkibara ryumuhondo ryerurutse kubera kugaragariza neza Ubuziranenge Bwinshi (99,999%) Ifu ya Thorium Oxide (ThO2) kuri 560 nm.Oxide ivanze ntabwo itwara amashanyarazi.