Loparite-(Ce)
Mitchell R H, Burns P C, Chakhmouradian A R
The Canadian Mineralogist 38 (2000) 145-152
The crystal structures of loparite-(Ce)
Sample: Loparite BM
Locality: Bearpaw Mountains, Montana, USA
_database_code_amcsd 0005641
5.5076 5.5076 7.7767 90 90 90 I4/mcm
atom     x     y   z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na       0    .5 .25 .31 .0136  .0146  .0146  .0114      0      0      0
La       0    .5 .25 .10 .0136  .0146  .0146  .0114      0      0      0
Ce       0    .5 .25 .15 .0136  .0146  .0146  .0114      0      0      0
Nd       0    .5 .25 .03 .0136  .0146  .0146  .0114      0      0      0
Ca       0    .5 .25 .07 .0136  .0146  .0146  .0114      0      0      0
Sr       0    .5 .25 .30 .0136  .0146  .0146  .0114      0      0      0
Th       0    .5 .25 .01 .0136  .0146  .0146  .0114      0      0      0
Ti       0     0   0 .94 .0073  .0075  .0075  .0067      0      0      0
Nb       0     0   0 .05 .0073  .0075  .0075  .0067      0      0      0
O1       0     0 .25     .0404  .0554  .0554  .0106      0      0      0
O2   .2684 .7684   0     .0273  .0169  .0169  .0480  .0019      0      0