AM_Spinel_399 Formula: Mg Al2 O4 Name: Spinel Unit cell: 8.0638 8.0638 8.0638 90.0 90.0 90.0 , V=524.35 Space group: FD3M (227)

Finger L W , Hazen R M , Hofmeister A M , Physics and Chemistry of Minerals , 13 (1986) p.215-220, High-pressure crystal chemistry of spinel (MgAl2O4), and magnetite (Fe3O4): comparisons with silicate spinels, Sample: P = 20 kbar