AM_Li1Al1Si19O4 Formula: Li.05 (Si.95 Al.05) O2 Name: Li.1Al.1Si1.9O4 Unit cell: 4.9567 4.9567 5.4164 90.0 90.0 120.0 , V=115.25 Space group: P3221 (154)

Xu H , Heaney P J , Beall G H , American Mineralogist , 85 (2000) p.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