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 = 505 C
Note: 32.9% Meionite, 67.1% Marialite
_database_code_amcsd 0006238
12.1335 12.1335 7.5801 90 90 90 *P4_2/n
.25 .25 .25
atom     x     y     z occ  Uiso
Ca   .6176 .5410 .7538 .31  .062
Na   .6176 .5410 .7538 .69  .062
Si1  .5882 .6620 .2427     .0219
Al2  .9098 .1676 .0541 .87 .0219
Si2  .9098 .1676 .0541 .13 .0219
Al3  .6677 .0871 .9625 .02 .0219
Si3  .6677 .0871 .9625 .98 .0219
O1   .7092 .6061 .2449      .033
O2   .9441 .1333 .2715      .033
O3   .5924 .1870 .0295      .033
O4   .7966 .1064 .9705      .033
O5   .5143 .6181 .0794      .033
O6   .6338 .9744 .0772      .033
O7   .8266 .6703  .749      .108
C      .75   .75   .75 .24  .108
Cl     .75   .75   .75 .76  .108