AM_Franklinite_31 Formula: Zn.698 Mn.326 Mg.037 Al.141 Fe1.772 Ti.026 O4 Name: Franklinite Unit cell: 8.4428 8.4428 8.4428 90.0 90.0 90.0 , V=601.81 Space group: FD3M (227)

Lucchesi S , Russo U , Della Giusta A , European Journal of Mineralogy , 11 (1999) p.501-511, Cation distribution in natural Zn-spinels: franklinite, Sample: FRK7