Al O3 Y
      Bertaut F, Mareschal J
      Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 257 (1963) 867-870
      Un nouveau type de structure hexagonale: Al T O3 (T = Y, Eu, Gd, Tb, Dy, Ho, Er).
      _cod_database_code 1008923
      _database_code_amcsd 0016790

      CELL PARAMETERS:    3.6800   3.6800  10.5200   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    123.379
      Density (g/cm3):      4.411
      MAX. ABS. INTENSITY / VOLUME**2:      45.53698395    
      RIR:      3.362
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.86         64.13        5.2600    0   0   2         2
                28.00         76.16        3.1870    1   0   0         6
                29.28         34.49        3.0501    1   0   1        12
                32.86        100.00        2.7257    1   0   2        12
                34.09         38.18        2.6300    0   0   4         2
                44.67         62.32        2.0285    1   0   4        12
                49.54         62.66        1.8400    1   1   0         6
                52.09          6.88        1.7559    1   0   5        12
                52.70         14.99        1.7368    1   1   2        12
                57.87          7.64        1.5935    2   0   0         6
                58.59          3.47        1.5755    2   0   1        12
                60.24         25.25        1.5362    1   0   6        12
                60.73         15.47        1.5250    2   0   2        12
                61.51         32.80        1.5077    1   1   4        12
                68.90         12.26        1.3629    2   0   4        12
                69.10          1.40        1.3593    1   0   7        12
                71.78          2.64        1.3150    0   0   8         2
                74.73          1.78        1.2703    2   0   5        12
                78.72          8.28        1.2156    1   0   8        12
                79.58          1.59        1.2046    2   1   0        12
                81.65          8.68        1.1792    2   0   6        12
                82.08          3.82        1.1742    2   1   2        24
                89.49          3.29        1.0952    2   1   4        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.