AM_Spinel_396 Formula: Mg.398 Al2.401 O4 Name: Spinel Unit cell: 8.0878 8.0878 8.0878 90.0 90.0 90.0 , V=529.04 Space group: FD3M (227)

Ishii M , Hiraishi J , Yamanaka T , Physics and Chemistry of Minerals , 8 (1982) p.64-68, Structure and lattice vibrations of Mg-Al spinel solid solution, Sample: Nonstoichiometric MgO.3Al2O3