Titanite Oberti R, Smith D C, Rossi G, Caucia F European Journal of Mineralogy 3 (1991) 777-792 The crystal-chemistry of high-aluminium titanites Locality: Tyrol, Austria _database_code_amcsd 0006425 7.057 8.707 6.555 90 113.81 90 P2_1/a atom x y z occ Biso Ca .2431 .9179 .7512 .83 Tioct .5120 .7535 .2496 .975 .34 Aloct .5120 .7535 .2496 .003 .34 Feoct .5120 .7535 .2496 .014 .34 Si .7487 .9326 .7493 .982 .21 O1 .7497 .8214 .2495 .44 O2 .9099 .8165 .9342 .43 O3 .3825 .9614 .1474 .35 O4 .9114 .3164 .4360 .42 O5 .3806 .4604 .6471 .36