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 = 486 C
      Locality: synthetic
      _database_code_amcsd 0007992

      CELL PARAMETERS:    5.0000   5.0000  11.0160   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    238.503
      Density (g/cm3):      2.547
      MAX. ABS. INTENSITY / VOLUME**2:      33.68647219    
      RIR:      4.307
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.51         20.65        4.3301    1   0   0         6
                22.06          1.67        4.0300    0   1   1         6
                22.06          1.13        4.0300    1   0   1         6
                26.18         34.03        3.4041    0   1   2         6
                26.18         65.97        3.4041    1   0   2         6
                35.92          5.13        2.5000    1   1   0         3
                38.75          5.05        2.3238    0   1   4         6
                39.59          2.23        2.2765    1   1   2         6
                41.72          4.79        2.1651    2   0   0         6
                44.99          1.78        2.0150    0   2   2         6
                49.22         12.05        1.8511    1   1   4         6
                53.86          2.20        1.7021    2   0   4         6
                54.27          1.08        1.6903    1   0   6         6
                58.86          3.48        1.5688    2   1   2         6
                58.86          3.19        1.5688    1   2   2         6
                62.79          1.04        1.4798    1   1   6         6
                66.45          1.28        1.4069    1   2   4         6
                66.45          2.75        1.4069    2   1   4         6
                66.81          3.81        1.4003    0   2   6         6
                66.81          1.45        1.4003    2   0   6         6
                67.03          2.33        1.3962    3   0   2         6
                74.17          1.14        1.2784    0   3   4         6
                78.25          1.14        1.2217    1   2   6         6
                79.46          1.63        1.2061    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.