AM_Hercynite_13
Formula: Fe1.001 Al2 O4
Name: Hercynite
Unit cell: 8.20826 8.20826 8.20826 90.0 90.0 90.0 , V=553.04
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 = 1173 K