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 = 1323 K _database_code_amcsd 0002046 8.22103 8.22103 8.22103 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .799 2.234 Al .125 .125 .125 .201 2.234 Fe .5 .5 .5 .1005 1.522 Al .5 .5 .5 .8995 1.522 O .263491 .263491 .263491 2.186