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 = 183 C
      Locality: synthetic
      _database_code_amcsd 0007988

      CELL PARAMETERS:    4.9580   4.9580  10.9670   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    233.470
      Density (g/cm3):      2.602
      MAX. ABS. INTENSITY / VOLUME**2:      33.64019021    
      RIR:      4.210
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.69         20.98        4.2938    1   0   0         6
                22.23          1.84        3.9982    0   1   1         6
                22.23          1.04        3.9982    1   0   1         6
                26.36         29.52        3.3807    0   1   2         6
                26.36         70.48        3.3807    1   0   2         6
                36.24          6.79        2.4790    1   1   0         3
                38.98          6.58        2.3108    0   1   4         6
                39.91          3.46        2.2589    1   1   2         6
                42.09          5.69        2.1469    2   0   0         6
                45.37          1.87        1.9991    0   2   2         6
                49.57         11.32        1.8388    1   1   4         6
                54.27          2.95        1.6903    2   0   4         6
                54.57          1.52        1.6818    1   0   6         6
                59.39          4.32        1.5562    2   1   2         6
                59.39          3.87        1.5562    1   2   2         6
                63.20          1.67        1.4712    1   1   6         6
                67.01          3.88        1.3966    2   1   4         6
                67.01          1.21        1.3966    1   2   4         6
                67.27          4.53        1.3917    0   2   6         6
                67.27          1.22        1.3917    2   0   6         6
                67.65          3.84        1.3849    3   0   2         6
                72.36          1.52        1.3059    0   1   8         6
                74.83          1.69        1.2688    0   3   4         6
                78.88          1.89        1.2136    1   2   6         6
                79.97          1.93        1.1997    1   1   8         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.