Titanite Liferovich R P, Mitchell R H The Canadian Mineralogist 43 (2005) 795-812 Composition and paragenesis of Na-, Nb-, and Zr-bearing titanite from Khibina, Russia, and crystal-structure data for synthetic analogues Locality: Khibina, Russia _database_code_amcsd 0006019 7.1276 8.7541 6.6031 90 113.847 90 A2/a atom x y z occ Biso CaX .25 .1689 0 .85 1.48 NaX .25 .1689 0 .14 1.48 TiY .5 0 .5 .70 .94 NbY .5 0 .5 .15 .94 ZrY .5 0 .5 .15 .94 Si .75 .1820 0 .48 O1 .75 .0669 .5 .72 O2 .9108 .0703 .1802 .72 O3 .3810 .2150 .3987 .72