Natrite
Arakcheeva A, Bindi L, Pattison P, Meisser N, Chapuis G, Pekov I
American Mineralogist 95 (2010) 574-581
The incommensurately modulated structures of natural natrite at 120
and 293 K from synchrotron X-ray data
Locality: Mt. Koashva, Lovozero massif, Kola peninsula, Russia
T = 293 K
_database_code_amcsd 0005044
8.8818 5.235 6.0455 90 101.464 90 C2/m
atom      x      y      z  occ  Uiso
Na1       0      0      0 .978 .0189
Na2       0      0     .5 .975 .0182
Na3  .17065     .5 .74801 .970 .0264
C    .16426     .5  .2491      .0133
O1   .10165 .29451 .28529      .0283
O2   .28932     .5  .1776      .0257