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 = 950 C, Sample BG2/1 _database_code_amcsd 0006525 8.1520 8.1520 8.1520 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso Fe .125 .125 .125 .812 .51 Al .125 .125 .125 .188 .51 Fe .5 .5 .5 .094 .43 Al .5 .5 .5 .906 .43 O .2640 .2640 .2640 .96