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 = 900 C, Sample BG2/1 _database_code_amcsd 0006523 8.1522 8.1522 8.1522 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .813 .57 Al .125 .125 .125 .187 .57 Fe .5 .5 .5 .0935 .48 Al .5 .5 .5 .9065 .48 O .2641 .2641 .2641 1.00