ɡˌædəlˈɪniəm ˈɑːksaɪd kæn biː fˈɔːɹmd baɪ θˈɜːməl dˌiːkɑːmpəzˈɪʃən ʌvðə haɪdɹˈɑːksaɪd, nˈaɪtɹeɪt, kˈɑːɹbənˌeɪt, ɔːɹ ˈɑːksɐlˌeɪts.
Gadolinium oxide can be formed by thermal decomposition of the hydroxide, nitrate, carbonate, or oxalates.