Berlinite
      Muraoka Y, Kihara K
      Physics and Chemistry of Minerals 24 (1997) 243-253
      The temperature dependence of the crystal structure of berlinite,
      a quartz-type form of AlPO4
      Sample: T = 458 C
      Locality: synthetic
      _database_code_amcsd 0007991

      CELL PARAMETERS:    4.9939   4.9939  11.0100   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    237.792
      Density (g/cm3):      2.554
      MAX. ABS. INTENSITY / VOLUME**2:      33.60647383    
      RIR:      4.284
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.54         20.84        4.3248    1   0   0         6
                22.08          1.70        4.0254    0   1   1         6
                22.08          1.11        4.0254    1   0   1         6
                26.20         33.25        3.4009    0   1   2         6
                26.20         66.75        3.4009    1   0   2         6
                35.97          5.34        2.4969    1   1   0         3
                38.78          5.30        2.3221    0   1   4         6
                39.63          2.44        2.2740    1   1   2         6
                41.77          4.94        2.1624    2   0   0         6
                45.04          1.81        2.0127    0   2   2         6
                49.27         11.88        1.8494    1   1   4         6
                53.92          2.31        1.7004    2   0   4         6
                54.31          1.15        1.6892    1   0   6         6
                58.94          3.58        1.5670    2   1   2         6
                58.94          3.28        1.5670    1   2   2         6
                62.85          1.13        1.4787    1   1   6         6
                66.53          1.27        1.4055    1   2   4         6
                66.53          2.90        1.4055    2   1   4         6
                66.87          3.90        1.3991    0   2   6         6
                66.87          1.40        1.3991    2   0   6         6
                67.12          2.53        1.3946    3   0   2         6
                74.27          1.21        1.2771    0   3   4         6
                78.34          1.22        1.2206    1   2   6         6
                79.53          1.67        1.2053    1   1   8         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.