Gismondine
Wadoski-Romeijn E, Armbruster T
American Mineralogist 98 (2013) 1988-1997
Topotactic transformation and dehydration of the zeolite gismondine
to a novel Ca feldspar structure
Note: T = 225 C, Path 2
Locality: Rio Pian del Foco, Genova province, Italy
_database_code_amcsd 0020103
9.434 9.0440 9.6950 90 89.040 90 I2/a
atom       x       y       z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
Si    .05556  .32064  .38602      .01788  .0187  .0172  .0179  .00184 -.00360 -.00106
Al    .13201  .07978  .18112      .01776  .0188  .0163  .0182 -.00066 -.00281 -.00112
Ca1  -.17893  .20622  .18672 .389  .0383
Ca2    .0640   .0484   .5680 .084  .0318
O1   -.09122  .39158  .32814       .0246
O2     .0500   .3228  .55227       .0330
O3     .0627  .15111  .33389       .0297
O4    .18636   .4183   .3271       .0379
Wat1     .25  -.1164      .5        .124