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 = 25 C
      Locality: synthetic
      _database_code_amcsd 0007986

      CELL PARAMETERS:    4.9438   4.9438  10.9498   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    231.771
      Density (g/cm3):      2.621
      MAX. ABS. INTENSITY / VOLUME**2:      33.75927628    
      RIR:      4.194
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.75         21.13        4.2815    1   0   0         6
                22.29          1.92        3.9875    0   1   1         6
                22.29          1.01        3.9875    1   0   1         6
                26.43         28.17        3.3726    0   1   2         6
                26.43         71.83        3.3726    1   0   2         6
                36.34          7.45        2.4719    1   1   0         3
                39.06          7.10        2.3063    0   1   4         6
                39.06          1.19        2.3063    1   0   4         6
                40.02          3.91        2.2529    1   1   2         6
                42.22          6.09        2.1407    2   0   0         6
                45.49          1.91        1.9937    0   2   2         6
                49.70         11.16        1.8346    1   1   4         6
                54.41          1.02        1.6863    0   2   4         6
                54.41          3.24        1.6863    2   0   4         6
                54.67          1.70        1.6788    1   0   6         6
                59.57          4.18        1.5519    1   2   2         6
                59.57          4.73        1.5519    2   1   2         6
                63.35          1.93        1.4682    1   1   6         6
                67.20          1.21        1.3930    1   2   4         6
                67.20          4.43        1.3930    2   1   4         6
                67.43          4.88        1.3888    0   2   6         6
                67.43          1.17        1.3888    2   0   6         6
                67.87          4.55        1.3810    3   0   2         6
                72.50          1.85        1.3037    0   1   8         6
                75.06          1.98        1.2655    0   3   4         6
                79.09          2.31        1.2108    1   2   6         6
                80.15          2.10        1.1974    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.