AM_Hercynite_15
Formula: (Fe.99 Al2.01) O4
Name: Hercynite
Unit cell: 8.2168 8.2168 8.2168 90.0 90.0 90.0 , V=554.76
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 = 1273 K