Hercynite Larsson L, O'Neill H St C, Annersten H European Journal of Mineralogy 6 (1994) 39-51 Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy Sample: T = 800 C, Sample BG2/1 _database_code_amcsd 0006521 8.1526 8.1526 8.1526 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .826 .57 Al .125 .125 .125 .174 .57 Fe .5 .5 .5 .087 .48 Al .5 .5 .5 .913 .48 O .2642 .2642 .2642 .94