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 = 603 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006239
12.1510 12.1510 7.5800 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6177 .5417 .7549 .31  .070
Na   .6177 .5417 .7549 .69  .070
Si1  .5880 .6623 .2447     .0247
Al2  .9101 .1678 .0549 .87 .0247
Si2  .9101 .1678 .0549 .13 .0247
Al3  .6685 .0874 .9620 .02 .0247
Si3  .6685 .0874 .9620 .98 .0247
O1   .7091 .6068 .2429      .037
O2   .9443 .1343 .2725      .037
O3   .5927 .1876 .0288      .037
O4   .7969 .1070 .9725      .037
O5   .5146 .6196 .0806      .037
O6   .6341 .9751 .0770      .037
O7   .8294 .6726  .749      .117
C      .75   .75   .75 .24  .117
Cl     .75   .75   .75 .76  .117