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 = 1173 K _database_code_amcsd 0002043 8.20826 8.20826 8.20826 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .826 1.954 Al .125 .125 .125 .175 1.954 Fe .5 .5 .5 .0875 1.315 Al .5 .5 .5 .9125 1.315 O .263791 .263791 .263791 1.912