Li.8Al.8Si1.2O4
      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=.2, Li.8Al.8Si1.2O4, beta eucryptite structure
      _database_code_amcsd 0002463

      CELL PARAMETERS:   10.4949  10.4949  10.9650   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1045.914
      Density (g/cm3):      2.400
      MAX. ABS. INTENSITY / VOLUME**2:      32.65294380    
      RIR:      4.430
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.53          9.14        4.5444    2   0   0         6
                25.46        100.00        3.4987    2   0   2        12
                34.17          3.95        2.6237    2   2   0         6
                38.35          1.56        2.3473    2   0   4        12
                39.67          4.00        2.2722    4   0   0         6
                43.09          3.12        2.0991    4   0   2        12
                48.00         18.89        1.8954    2   2   4        12
                52.29          1.14        1.7494    4   0   4        12
                56.11          9.31        1.6391    4   2   2        12
                61.18          1.17        1.5148    6   0   0         6
                63.96          3.71        1.4555    4   2   4        12
                65.55          8.60        1.4241    4   0   6        12
                71.11          3.08        1.3258    6   0   4        12
                71.98          3.58        1.3119    4   4   0         6
                76.04          2.27        1.2516    4   2   6        12
                77.75          4.90        1.2284    6   2   2        12
                78.78          2.64        1.2148    2   2   8        12
                84.63          1.45        1.1452    6   2   4        12
                85.46          1.07        1.1361    8   0   0         6
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.