Li.1Al.1Si1.9O4 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=.9, Li.1Al.1Si1.9O4, alpha quartz structure _database_code_amcsd 0002467 4.9567 4.9567 5.4164 90 90 120 P3_221 atom x y z occ Uiso Li 0 0 0 .05 Si .5248 0 2/3 .95 .0131 Al .5248 0 2/3 .05 .0131 O .5887 .7435 .7940 .0200