Titanite Liferovich R P, Mitchell R H The Canadian Mineralogist 44 (2006) 1089-1097 Solid solutions of niobium in synthetic titanite Sample: AlNb2 _database_code_amcsd 0006101 7.0594 8.7188 6.5651 90 113.747 90 A2/a atom x y z occ Biso CaX .25 .1697 0 1.42 TiY .5 0 .5 .6 .76 AlY .5 0 .5 .2 .76 NbY .5 0 .5 .2 .76 Si .75 .1809 0 .42 O1 .75 .0683 .5 .77 O2 .9085 .0660 .1807 .77 O3 .3862 .2123 .4050 .77