Titanite
Liferovich R P, Mitchell R H
Physics and Chemistry of Minerals 33 (2006) 73-83
Tantalum-bearing titanite: synthesis and crystal structure data
Locality: synthetic
Sample: NaTa1
_database_code_amcsd 0009020
7.0826 8.7156 6.5767 90 113.911 90 A2/a
atom     x     y     z occ Biso
Ca     .25 .1693     0  .9 1.43
Na     .25 .1693     0  .1 1.43
Ti      .5     0    .5  .9  .88
Ta      .5     0    .5  .1  .88
Si     .75 .1811     0      .60
O1     .75 .0679    .5      .79
O2   .9088 .0676 .1800      .79
O3   .3853 .2135 .4051      .79