Spinel Lucchesi S, Amoriello M, Della Giusta A European Journal of Mineralogy 10 (1998) 473-482 Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP239a Locality: xenoliths of the Alban Hills, Italy volcanic region _database_code_amcsd 0006737 8.1041 8.1041 8.1041 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso MgT .125 .125 .125 .6826 .0052 FeT .125 .125 .125 .0902 .0052 MnT .125 .125 .125 .0028 .0052 AlT .125 .125 .125 .2242 .0052 MgM .5 .5 .5 .1401 .0043 FeM .5 .5 .5 .01705 .0043 AlM .5 .5 .5 .83815 .0043 TiM .5 .5 .5 .0042 .0043 O .26164 .26164 .26164 .0088