Titanite Hughes J M, Bloodaxe E S, Hanchar J M, Foord E E American Mineralogist 82 (1997) 512-516 Incorporation of rare earth elements in titanite: Stabilization of the A2/a dimorph by creation of antiphase boundaries Sample: Dy-Al _database_code_amcsd 0001901 7.057 8.710 6.555 90 113.84 90 P2_1/a atom x y z Biso Ti .50870 .7526 .2496 .54 Ca .2451 .91831 .7504 .97 Si .7497 .9328 .7503 .21 O1 .7487 .8209 .2482 .55 O2 .9106 .8172 .9355 .51 O3 .3830 .9599 .1461 .49 O4 .9113 .3155 .4355 .57 O5 .3819 .4615 .6486 .53