AM_Spinel_410 Formula: Al1.802 Fe.219 Mg.808 Si.001 Zn.002 Cr.125 Ni.008 Ti.004 O4 Name: Spinel Unit cell: 8.1171 8.1171 8.1171 90.0 90.0 90.0 , V=534.81 Space group: FD3M (227)

Menegazzo G , Carbonin S , Physics and Chemistry of Minerals , 25 (1998) p.541-547, Oxidation mechanisms in Al-Mg-Fe spinels., A second stage: alpha-Fe2O3 exsolution, Sample: LE20A3, quenched from T = 1150 C after 0.5 hours