AM_Hercynite_10 Formula: (Fe Al2) O4 Name: Hercynite Unit cell: 8.19571 8.19571 8.19571 90.0 90.0 90.0 , V=550.50 Space group: FD3M (227)

Harrison R J , Redfern S A T , O Neill H St C , American Mineralogist , 83 (1998) p.1092-1099, The temperature dependence of the cation distribution in synthetic hercynite, (FeAl2O4) from in-situ neutron structure refinements, Sample at T = 1023 K