LiAlSiO4 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=0, ordered LiAlSiO4, beta eucryptite structure _database_code_amcsd 0002462 10.49710 10.49710 11.19513 90 90 120 P6_222 atom x y z Uiso Li1 0 0 .5 .0200 Li2 .5 0 0 .0200 Li3 .5 0 .3276 .0200 Si1 .2477 0 0 .0052 Si2 .2471 .4942 0 .0052 Al1 .2504 0 .5 .0052 Al2 .2506 .5012 .5 .0052 O1 .1117 .1990 .2415 .0107 O2 .0972 .6989 .2590 .0107 O3 .5971 .7048 .2643 .0107 O4 .6076 .2009 .2486 .0107