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 = 405 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006237
12.1172 12.1172 7.5800 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6174 .5403 .7502 .31  .058
Na   .6174 .5403 .7502 .69  .058
Si1  .5881 .6616 .2428     .0198
Al2  .9095 .1677 .0534 .87 .0198
Si2  .9095 .1677 .0534 .13 .0198
Al3  .6670 .0873 .9627 .02 .0198
Si3  .6670 .0873 .9627 .98 .0198
O1   .7091 .6058 .2529      .029
O2   .9443 .1326 .2715      .029
O3   .5933 .1861 .0302      .029
O4   .7957 .1052 .9702      .029
O5   .5152 .6162 .0776      .029
O6   .6341 .9747 .0771      .029
O7   .8265 .6703  .749      .103
C      .75   .75   .75 .24  .103
Cl     .75   .75   .75 .76  .103