Titanite Liferovich R P, Mitchell R H The Canadian Mineralogist 44 (2006) 1089-1097 Solid solutions of niobium in synthetic titanite Sample: AlNb1 _database_code_amcsd 0006100 7.0571 8.7169 6.5630 90 113.756 90 A2/a atom x y z occ Biso CaX .25 .1693 0 1.38 TiY .5 0 .5 .8 .68 AlY .5 0 .5 .1 .68 NbY .5 0 .5 .1 .68 Si .75 .1810 0 .51 O1 .75 .0709 .5 .83 O2 .9073 .0656 .1796 .83 O3 .3833 .2126 .4014 .83