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 = 801 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006241
12.1844 12.1844 7.5799 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6176 .5426 .7557 .31  .084
Na   .6176 .5426 .7557 .69  .084
Si1  .5874 .6633 .2547     .0291
Al2  .9110 .1690 .0551 .87 .0291
Si2  .9110 .1690 .0551 .13 .0291
Al3  .6696 .0886 .9603 .02 .0291
Si3  .6696 .0886 .9603 .98 .0291
O1   .7079 .6081 .2478      .044
O2   .9444 .1365 .2695      .044
O3   .5938 .1868 .0258      .044
O4   .7978 .1068 .9744      .044
O5   .5186 .6217 .0866      .044
O6   .6361 .9802 .0750      .044
O7   .8407 .6904  .752      .141
C      .75   .75   .75 .24  .141
Cl     .75   .75   .75 .76  .141