AM_Spinel_363 Formula: Mg.958 Fe.132 Zn.001 Mn.003 Al1.886 Si.005 Ti.013 O4 Name: Spinel Unit cell: 8.1067 8.1067 8.1067 90.0 90.0 90.0 , V=532.76 Space group: FD3M (227)

Lucchesi S , Amoriello M , Della Giusta A , European Journal of Mineralogy , 10 (1998) p.473-482, Crystal chemistry of spinels from xenoliths of the, Alban Hills volcanic region, Sample: SP239h, Locality: xenoliths of the Alban Hills, Italy volcanic region