Titanite Kunz M, Arlt T, Stolz J American Mineralogist 85 (2000) 1465-1473 In situ powder diffraction study of titanite (CaTiOSiO4) at high pressure and high temperature Sample #034 at P = 4.89 GPa, T = 656 K _database_code_amcsd 0002557 6.9443 8.6582 6.4621 90 113.327 90 A2/a atom x y z Ca .25 .164 0 Ti 1/2 0 1/2 Si 3/4 .192 0 O1 3/4 .056 1/2 O3 .919 .069 .178 O5 .394 .218 .388