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 = 1200 C, Sample BG2/1 _database_code_amcsd 0006527 8.1507 8.1507 8.1507 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .821 .56 Al .125 .125 .125 .179 .56 Fe .5 .5 .5 .0895 .45 Al .5 .5 .5 .9105 .45 O .2639 .2639 .2639 .94