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 = 305 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006236
12.1025 12.1025 7.5804 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6170 .5394 .7435 .31  .052
Na   .6170 .5394 .7435 .69  .052
Si1  .5883 .6615 .2452     .0186
Al2  .9096 .1678 .0501 .87 .0186
Si2  .9096 .1678 .0501 .13 .0186
Al3  .6666 .0872 .9610 .02 .0186
Si3  .6666 .0872 .9610 .98 .0186
O1   .7091 .6048 .2602      .026
O2   .9443 .1319 .2734      .026
O3   .5940 .1857 .0333      .026
O4   .7957 .1044 .9710      .026
O5   .5167 .6153 .0725      .026
O6   .6329 .9754 .0798      .026
O7   .8192 .6644  .746      .096
C      .75   .75   .75 .24  .096
Cl     .75   .75   .75 .76  .096