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 = 702 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006240
12.1673 12.1673 7.5799 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6178 .5425 .7548 .31  .077
Na   .6178 .5425 .7548 .69  .077
Si1  .5876 .6624 .2498     .0267
Al2  .9105 .1681 .0556 .87 .0267
Si2  .9105 .1681 .0556 .13 .0267
Al3  .6690 .0882 .9617 .02 .0267
Si3  .6690 .0882 .9617 .98 .0267
O1   .7088 .6080 .2454      .040
O2   .9440 .1354 .2724      .040
O3   .5930 .1875 .0274      .040
O4   .7971 .1065 .9740      .040
O5   .5154 .6202 .0841      .040
O6   .6348 .9772 .0758      .040
O7   .8407 .6896  .753      .130
C      .75   .75   .75 .24  .130
Cl     .75   .75   .75 .76  .130