Natrolite
Peacor D R
American Mineralogist 58 (1973) 676-680
High temperature, single-crystal X-Ray study of natrolite
T = 146 C
_database_code_amcsd 0000374
18.43 18.71 6.52 90 90 90 Fdd2
atom      x      y      z Biso
Si1       0      0      0  .75
Si2  .15355 .21113 .62294  .67
Al   .03769 .09333 .61589  .66
Na    .2208  .0308  .6173 2.02
O1    .0230  .0679  .8657 1.56
O2    .0707  .1812  .6091  .88
O3    .0984  .0349  .4996 1.41
O4    .2068  .1530  .7259 1.35
O5    .1810  .2270  .3910 1.51
Wat   .0568  .1895  .1109 2.59