Tanteuxenite-(Ho) Thorogood G J, Avdeev M, Kennedy B J Solid State Sciences 12 (2010) 1263-1269 Structural studies of the aeschynite-euxenite transformation in the series Ln(TiTa)O6 Ln = lanthanide Locality: Synthetic _database_code_amcsd 0018928 14.6236 5.5637 5.2030 90 90 90 Pbcn atom x y z occ Biso Ho 0 .2321 .25 .31 Ti .1682 .3228 .8224 .5 1.00 Ta .1682 .3228 .8224 .5 1.00 O1 .9070 .5612 .4667 1.09 O2 .0889 .0957 .9151 .40 O3 .2579 .1434 .6603 1.88