Marialite
Antao S M, Hassan I
The Canadian Mineralogist 46 (2008) 1577-1591
Increase in Al-Si and Na-Ca disorder with temperature in scapolite Me32.9
Locality: Monmouth Township, Ontario, Canada
Note: T = 105 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006234
12.0749 12.0749 7.5814 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6163 .5385 .7569 .31  .042
Na   .6163 .5385 .7569 .69  .042
Si1  .5898 .6612 .2545     .0180
Al2  .9093 .1675 .0506 .87 .0180
Si2  .9093 .1675 .0506 .13 .0180
Al3  .6657 .0874 .9622 .02 .0180
Si3  .6657 .0874 .9622 .98 .0180
O1   .7093 .6029 .2533      .027
O2   .9448 .1293 .2702      .027
O3   .5935 .1870 .0360      .027
O4   .7973 .1033 .9689      .027
O5   .5162 .6162 .0877      .027
O6   .6291 .9756 .0639      .027
O7   .7899 .6507  .748      .090
C      .75   .75   .75 .24  .090
Cl     .75   .75   .75 .76  .090