AM_Spinel_405 Formula: Al1.835 Fe.221 Mg.775 Zn.007 Cr.079 Ni.014 O4 Name: Spinel Unit cell: 8.107 8.107 8.107 90.0 90.0 90.0 , V=532.82 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: TS11B4, quenched from T = 1150 C after 27 hours