Latrappite
Mitchell R H, Choi J B, Hawthorne F C, McCammon C A, Burns P C
The Canadian Mineralogist 36 (1998) 107-116
Latrappite: A re-investigation
Locality: Oka, Quebec, Canada
_database_code_amcsd 0005539
5.4479 5.5259 7.7575 90 90 90 Pbnm
atom      x     y     z occ Biso
Ca   -.0076 .0359   .25 .75  .61
Na   -.0076 .0359   .25 .25  .61
Nb        0    .5     0 .57  .40
Fe        0    .5     0 .15  .40
Ti        0    .5     0 .28  .40
O1    .0764 .4800   .25      .53
O2    .7087 .2871 .0364      .50