Diaoyudaoite
      Beevers C, Ross M
      Zeitschrift fur Kristallographie 97 (1937) 59-66
      The crystal structure of beta alumina Na2O(Al2O3)11
      _cod_database_code 1010017
      _database_code_amcsd 0016956

      CELL PARAMETERS:    5.5840   5.5840  22.4500   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    606.231
      Density (g/cm3):      3.241
      MAX. ABS. INTENSITY / VOLUME**2:      29.08913282    
      RIR:      2.922
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.88        100.00       11.2250    0   0   2         2
                15.79         21.12        5.6125    0   0   4         2
                18.35          1.18        4.8359    1   0   0         6
                18.77          1.13        4.7275    1   0   1        12
                19.99          9.07        4.4413    1   0   2        12
                21.88          2.90        4.0616    1   0   3        12
                24.30          3.16        3.6635    1   0   4        12
                31.89          2.40        2.8063    0   0   8         2
                32.06          9.27        2.7920    1   1   0         6
                33.53         21.06        2.6728    1   0   7        12
                35.93         19.79        2.4998    1   1   4        12
                37.18          1.63        2.4179    2   0   0         6
                37.41          7.10        2.4040    2   0   1        12
                38.07          3.09        2.3637    2   0   2        12
                39.15          2.06        2.3008    2   0   3        12
                40.30          7.60        2.2377    1   1   6        12
                40.63          2.87        2.2206    2   0   4        12
                42.46         10.67        2.1289    2   0   5        12
                44.49          1.77        2.0363    1   0  10        12
                44.62         11.16        2.0308    2   0   6        12
                47.07          6.74        1.9307    2   0   7        12
                49.78          2.46        1.8318    2   0   8        12
                50.60          1.13        1.8040    2   1   2        24
                52.72          1.01        1.7362    2   0   9        12
                55.89          1.73        1.6452    2   0  10        12
                57.14          1.42        1.6120    3   0   0         6
                58.09          7.79        1.5880    2   1   7        24
                59.25          6.85        1.5596    2   0  11        12
                59.48          1.84        1.5542    1   1  12        12
                59.68          3.72        1.5493    3   0   4        12
                62.76          2.05        1.4804    3   0   6        12
                66.54          7.80        1.4053    2   0  13        12
                67.04         17.03        1.3960    2   2   0         6
                67.63          1.38        1.3853    2   2   2        12
                69.37          1.27        1.3547    2   2   4        12
                70.46          7.58        1.3364    2   0  14        12
                77.07          3.03        1.2374    3   1   7        24
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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.