Leucite
Gatta G D, Rotiroti N, Ballaran T B, Pavese A
American Mineralogist 93 (2008) 1588-1596
Leucite at high pressure: Elastic behavior, phase stability,
and petrological implications
Locality: Sabatini volcanic district, Lazium, Italy
Note: P =  .0001 GPa in air after decompression
_database_code_amcsd 0004678
13.073 13.073 13.731 90 90 90 *I4_1/a
0 .25 .125
atom      x     y      z  occ  Uiso
KK   .36560 .3642  .1138 .948 .0498
NaK  .36560 .3642  .1138 .026 .0498
FeT1  .0574 .3964  .1669 .003 .0109
AlT1  .0574 .3964  .1669 .330 .0109
SiT1  .0574 .3964  .1669 .667 .0109
FeT2  .1674 .6115  .1281 .003 .0101
AlT2  .1674 .6115  .1281 .330 .0101
SiT2  .1674 .6115  .1281 .667 .0101
FeT3  .3925 .6417 .08628 .003 .0102
AlT3  .3925 .6417 .08628 .330 .0102
SiT3  .3925 .6417 .08628 .667 .0102
O1    .1320 .3146  .1101      .0270
O2    .0914 .5111  .1309      .0237
O3    .1455 .6804  .2272      .0173
O4    .1334 .6851  .0360      .0217
O5    .2893 .5760  .1205      .0197
O6    .4836 .6173  .1668      .0176