Li.31Al.31Si1.69O4
Xu H, Heaney P J, Beall G H
American Mineralogist 85 (2000) 971-979
Phase transitions induced by solid solution in stuffed derivatives of quartz:
A powder synchrotron XRD study of the LiAlSiO4-SiO2 join
Sample: x=.69, Li.31Al.31Si1.69O4, alpha quartz structure
_database_code_amcsd 0002466
5.0865 5.0865 5.4451 90 90 120 P3_221
atom     x     y     z  occ  Uiso
Li       0     0     0 .155  .063
Si   .5098     0   2/3 .845 .0132
Al   .5098     0   2/3 .155 .0132
O    .5883 .7641 .8110      .0218