Neodymium (III) Oxideko neodymium sesquioxide shine sinadarin sinadari wanda ya ƙunshi neodymium da oxygen tare da dabarar Nd2O3. Yana narkewa a cikin acid kuma ba ya narkewa a cikin ruwa. Yana samar da lu'ulu'u masu launin launin toka-blue mai haske sosai. Cakudar didymium da ba kasafai ake samu ba, wanda a baya aka yi imani da shi wani kashi ne, wani bangare ya kunshi neodymium(III) oxide.
Neodymium oxidetushen neodymium mai ƙarfi ne mai ƙarfi wanda ba zai iya narkewa wanda ya dace da gilashin, aikace-aikacen gani da yumbu. Aikace-aikace na farko sun haɗa da lasers, canza launin gilashi da tinting, da dielectrics.Neodymium Oxide kuma yana samuwa a cikin pellets, guda, sputtering hari, Allunan, da nanopowder.