Metanatrolite
Baur W H, Joswig W
Neues Jahrbuch fur Mineralogie, Monatshefte 1996 (1996) 171-187
The phases of natrolite occurring during dehydration and rehydration studied
by single crystal X-ray diffraction methods between room temperature and 923 K
Locality: Khibiny, Kola peninsula, Russia
Sample: T = 573 K, crystal III, "metanatrolite"
_database_code_amcsd 0014891
16.292 17.084 6.449 90 90 90.0 F2
atom      x       y      z occ  Uiso
Na1   .0614   .1836  .1320      .095
Na2   .2138   .0621  .3337 .46  .080
Na21  .2833   .0735   .396 .46  .067
Al11 .02673  .10512  .6064     .0294
Al12 .26843  .14258  .8619     .0289
Si11      0       0 -.0113     .0276
Si12    .25     .25  .2422     .0299
Si21 .13731  .23393  .6149     .0290
Si22 .11008 -.02155  .3614     .0284
O11   .0422   .0691  .8585     .0423
O12   .2371   .1711  .1108     .0416
O21   .0421   .2071  .5972     .0342
O22   .2075  -.0430  .3504     .0345
O31   .0913   .0694  .4090     .0383
O32   .1482   .3033  .7820     .0440
O41   .0723  -.0762   .541     .0379
O42   .1925   .1593  .6809     .0440
O51   .0715  -.0411  .1317     .0387
O52   .1684   .2644  .3853     .0414