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 = 723 K, crystal II, "metanatrolite"
_database_code_amcsd 0014889
16.575 17.427 6.4610 90 90 90.0 F2
atom     x      y       z occ  Uiso
Na1  .0565  .1833   .1384      .153
Na2  .3025  .0602    .334 .41  .128
Na21 .2628  .0731    .423 .41  .069
Al11 .0300  .1018   .6082     .0409
Al12 .2731  .1451   .8598     .0371
Si11     0      0 -.01270     .0378
Si12   .25    .25   .2430     .0434
Si21 .1394  .2302   .6185     .0364
Si22 .1088 -.0240   .3588     .0398
O11  .0398  .0685   .8513      .057
O12  .2447  .1721   .1104      .056
O21  .0454  .2032   .6033      .055
O22  .2016 -.0487   .3443      .039
O31  .0981  .0652   .4278      .052
O32  .1480  .3002   .7649      .082
O41  .0681 -.0795   .5296      .053
O42  .1942  .1612   .6852      .062
O51  .0699 -.0393   .1302      .063
O52  .1696  .2582   .3901      .056