ɐmˈoːɹfəs ˈɪndiəm ˈɑːksaɪd ɪz ɪnsˈɑːljuːbəl ɪn wˈɔːɾɚ bˌʌt sˈɑːljuːbəl ɪn ˈæsɪdz, wˈɛɹæz kɹˈɪstɐlˌaɪn ˈɪndiəm ˈɑːksaɪd ɪz ɪnsˈɑːljuːbəl ɪn bˈoʊθ wˈɔːɾɚ ænd ˈæsɪdz.
Amorphous indium oxide is insoluble in water but soluble in acids, whereas crystalline indium oxide is insoluble in both water and acids.