Erionite-Ca
Gualtieri A, Artioli G, Passaglia E, Bigi S, Viani A, Hanson J C
American Mineralogist 83 (1998) 590-606
Crystal structure-crystal chemistry relationships in the zeolites erionite
and offretite
Sample from Shourdo
_database_code_amcsd 0002002
13.264 13.264 15.067 90 90 120 P6_3/mmc
atom      x     y     z  occ Uiso
Si1   .0006 .2329 .1052 .823 .036
Al1   .0006 .2329 .1052 .177 .036
Si2   .0926 .4226   .25 .695 .031
Al2   .0926 .4226   .25 .305 .031
Ca1     1/3   2/3  .104  .15 .077
Ca2     1/3   2/3  .887  .12 .069
Ca3     2/3   1/3 .2010  .13 .032
Ca4      .5     0     0  .14 .065
Mg      2/3   1/3 .0730  .13 .103
K         0     0   .25      .038
O1    .0251 .3473 .6609      .045
O2    .0973 .1946 .1261      .019
O3    .1263 .2526 .6320      .024
O4    .2680     0     0      .038
O5    .2310 .4620   .25      .043
O6    .0970 .5485   .25      .070
Wat1   .266  .532  .008  .29 .086
Wat2   .235  .470  .718  .36 .128
Wat2b  .260  .522  .694  .18 .128
Wat3   .431  .862  .903  .61 .138
Wat3b  .462 -.074  .029  .22 .138
Wat3c  .465  .930  .779  .14 .138