Franklinite Lucchesi S, Russo U, Della Giusta A European Journal of Mineralogy 11 (1999) 501-511 Cation distribution in natural Zn-spinels: franklinite Sample: FRK8 _database_code_amcsd 0006785 8.4688 8.4688 8.4688 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso ZnT .125 .125 .125 .591 .0098 MnT .125 .125 .125 .300 .0098 MgT .125 .125 .125 .035 .0098 AlT .125 .125 .125 .028 .0098 FeT .125 .125 .125 .047 .0098 ZnM .5 .5 .5 .0055 .0101 MnM .5 .5 .5 .063 .0101 FeM .5 .5 .5 .9315 .0101 O .2611 .2611 .2611 .0104