Li.5Al.5Si1.5O4 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=.50, Li.5Al.5Si1.5O4, beta quartz structure _database_code_amcsd 0002465 CELL PARAMETERS: 5.1609 5.1609 5.4574 90.000 90.000 120.000 SPACE GROUP: P6_222 X-RAY WAVELENGTH: 1.541838 Cell Volume: 125.883 Density (g/cm3): 2.435 MAX. ABS. INTENSITY / VOLUME**2: 34.37958200 RIR: 4.597 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.86 13.57 4.4695 1 0 0 6 25.76 100.00 3.4578 1 0 1 12 34.77 3.78 2.5805 1 1 0 6 38.66 1.54 2.3290 1 0 2 12 40.36 3.54 2.2347 2 0 0 6 43.77 3.09 2.0681 2 0 1 12 48.56 17.17 1.8749 1 1 2 12 52.96 1.30 1.7289 2 0 2 12 57.07 7.16 1.6138 2 1 1 12 62.32 1.07 1.4898 3 0 0 6 64.92 3.25 1.4363 2 1 2 12 66.25 7.03 1.4108 2 0 3 12 72.25 2.14 1.3076 3 0 2 12 73.38 2.32 1.2902 2 2 0 6 77.04 2.15 1.2379 2 1 3 12 79.25 3.59 1.2088 3 1 1 12 79.46 2.26 1.2061 1 1 4 12 86.17 1.09 1.1286 3 1 2 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.