ðə sˈʌlfaɪd ˈænaɪənz ɑːɹ klˈoʊsli pˈækt ɪn lˈeɪɚz, wɪð ˌɑːktɐhˈiːdɹəlikoʊˈɔːɹdɪnˌeɪɾᵻd ɪn ɹˌoʊmən θɹˈiː kˈæɾaɪənz pɹˈɛzənt wɪðˌɪn ðə lˈeɪɚz, ænd tˌɛtɹɐhˈiːdɹəlikoʊˈɔːɹdɪnˌeɪɾᵻd ɪn ɹˌoʊmən θɹˈiː kˈæɾaɪənz bᵻtwˈiːn ðˌɛm.
The sulfide anions are closely packed in layers, with octahedrally-coordinated In(III) cations present within the layers, and tetrahedrally-coordinated In(III) cations between them.