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 = 500 C, Sample BG2/2 _database_code_amcsd 0006515 8.1518 8.1518 8.1518 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .896 .43 Al .125 .125 .125 .104 .43 Fe .5 .5 .5 .052 .31 Al .5 .5 .5 .948 .31 O .2648 .2648 .2648 .61