Petalite
Ross N L, Zhao J, Slebodnick C, Spencer E C, Chakoumakos B C
American Mineralogist 100 (2015) 714-721
Petalite under pressure: Elastic behavior and phase stability
Note: P = 0.89 GPa
Locality: Aracuai pegmatite district, Minas Gerais, Brazil
_database_code_amcsd 0020426
11.1705 5.0963 11.6569 90 141.1341 90 P2/c
atom     x      y     z  Uiso
Li1     .5   .751   .25  .021
Al1     .5  .2550   .25 .0087
Si1  .7895  .0210 .7916 .0085
Si2  .7900  .5188 .6423 .0088
O1   .6335 -.0325 .7726 .0170
O2   .7680 -.1838 .6708 .0130
O3       0      0     0 .0257
O4   .7556  .3165 .7200 .0158
O5       0  .4706   .75 .0288
O6   .6361  .4774 .4278 .0112