AM_Ferronigerite-6N6S Formula: Al7.45 Sn Fe1.4 Zn.7 O16 H Name: Ferronigerite-6N6S Unit cell: 18.826 18.826 18.826 17.508 17.508 17.508 , V=527.03 Space group: R-3M (166)

Grey I E , Gatehouse B M , American Mineralogist , 64 (1979) p.1255-1264, The crystal structure of nigerite-24R, Locality: Mt Garnet, northern Queensland, Australia