Franklinite Lucchesi S, Russo U, Della Giusta A European Journal of Mineralogy 11 (1999) 501-511 Cation distribution in natural Zn-spinels: franklinite Sample: FRK13 _database_code_amcsd 0006788 8.4585 8.4585 8.4585 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso ZnT .125 .125 .125 .647 .0096 MnT .125 .125 .125 .273 .0096 MgT .125 .125 .125 .002 .0096 AlT .125 .125 .125 .043 .0096 FeT .125 .125 .125 .034 .0096 ZnM .5 .5 .5 .007 .0095 MnM .5 .5 .5 .025 .0095 MgM .5 .5 .5 .013 .0095 AlM .5 .5 .5 .0085 .0095 FeM .5 .5 .5 .945 .0095 TiM .5 .5 .5 .002 .0095 O .2612 .2612 .2612 .0099