Natrolite
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 = 293 K, crystal III, "postnatrolite"
_database_code_amcsd 0014894
18.221 18.331 6.536 90 90 90 Fdd2
atom     x     y      z occ  Uiso
Na   .2238 .0260   .611 .87  .083
Al   .0363 .0952  .6151      .055
Si1      0     0 -.0024     .0289
Si2  .1555 .2134  .6297      .053
O1   .0243 .0688   .861      .062
O2   .0713 .1837   .603      .036
O3   .0978 .0368   .487      .086
O4   .2054 .1513   .729      .062
O5   .1825 .2269   .402      .051
Wat  .0621 .1891   .119 .75  .061