AM_Spinel_359 Formula: Mg.927 Fe.167 Zn.003 Mn.005 Al1.896 Ni2 Cr2 O4 Name: Spinel Unit cell: 8.1061 8.1061 8.1061 90.0 90.0 90.0 , V=532.64 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: SP210d, Locality: xenoliths of the Alban Hills, Italy volcanic region