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 = 1123 K _database_code_amcsd 0002042 8.20404 8.20404 8.20404 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .834 1.858 Al .125 .125 .125 .166 1.858 Fe .5 .5 .5 .083 1.246 Al .5 .5 .5 .917 1.246 O .263885 .263885 .263885 1.816