Hercynite Harrison R J, Redfern S A T, O'Neill H St C American Mineralogist 83 (1998) 1092-1099 The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements Sample at T = 1223 K _database_code_amcsd 0002044 8.21252 8.21252 8.21252 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .815 2.044 Al .125 .125 .125 .185 2.044 Fe .5 .5 .5 .0925 1.389 Al .5 .5 .5 .9075 1.389 O .263692 .263692 .263692 2.003