AM_Franklinite_32 Formula: Zn.602 Mn.426 Mg.035 Al.028 Fe1.91 O4 Name: Franklinite Unit cell: 8.4688 8.4688 8.4688 90.0 90.0 90.0 , V=607.39 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: FRK8