Franklinite Lucchesi S, Russo U, Della Giusta A European Journal of Mineralogy 11 (1999) 501-511 Cation distribution in natural Zn-spinels: franklinite Sample: FRK2 _database_code_amcsd 0006780 8.4654 8.4654 8.4654 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso ZnT .125 .125 .125 .581 .0101 MnT .125 .125 .125 .307 .0101 MgT .125 .125 .125 .034 .0101 AlT .125 .125 .125 .018 .0101 FeT .125 .125 .125 .060 .0101 ZnM .5 .5 .5 .0175 .0102 MnM .5 .5 .5 .0335 .0102 MgM .5 .5 .5 .0005 .0102 AlM .5 .5 .5 .008 .0102 FeM .5 .5 .5 .94 .0102 O .2613 .2613 .2613 .0103