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 K
Locality: Khibina complex, Russia
_database_code_amcsd 0005639
5.5108 5.5084 7.7964 90 90 90 Pbnm
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   -.0034  .5003    .25 .54 .0179
La   -.0034  .5003    .25 .09 .0179
Ce   -.0034  .5003    .25 .17 .0179
Pr   -.0034  .5003    .25 .01 .0179
Nd   -.0034  .5003    .25 .03 .0179
Ca   -.0034  .5003    .25 .09 .0179
Sr   -.0034  .5003    .25 .04 .0179
Ti        0      0      0 .76 .0117  .0097  .0142  .0112  .0019      0 -.0013
Nb        0      0      0 .23 .0117  .0097  .0142  .0112  .0019      0 -.0013
Ta        0      0      0 .01 .0117  .0097  .0142  .0112  .0019      0 -.0013
O1    .0508 -.0016    .25     .0344  .0242  .0622  .0166 -.0033      0      0
O2    .2428  .2510 -.0181     .0597  .0610  .0530  .0652 -.0435 -.0049  .0149