Titanite Hollabaugh C L, Foit F F American Mineralogist 69 (1984) 725-732 The crystal structure of an Al-rich titanite from Grisons, Switzerland _database_code_amcsd 0000943 7.050 8.681 6.539 90 113.9 90 P2_1/a atom x y z Biso Ca .2327 .9172 .7545 .44 Ti .5149 .7541 .2493 .32 Si .7562 .9327 .7570 .24 O1 .7465 .8213 .2362 .38 O2 .9209 .8231 .9376 .58 O3 .3837 .9652 .1421 .52 O4 .9010 .3109 .4345 .22 O5 .3798 .4562 .6523 .35