Titanite Liferovich R P, Mitchell R H The Canadian Mineralogist 44 (2006) 1089-1097 Solid solutions of niobium in synthetic titanite Sample: NaNb1 _database_code_amcsd 0006098 7.0815 8.7175 6.5750 90 113.853 90 A2/a atom x y z occ Biso CaX .25 .1685 0 .9 1.01 NaX .25 .1685 0 .1 1.01 TiY .5 0 .5 .9 .52 NbY .5 0 .5 .1 .52 Si .75 .1815 0 .36 O1 .75 .0705 .5 .55 O2 .9102 .0671 .1812 .55 O3 .3828 .2137 .4001 .55