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 = 568 C
      Locality: synthetic
      _database_code_amcsd 0007994

      CELL PARAMETERS:    5.0170   5.0170  11.0380   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    240.608
      Density (g/cm3):      2.525
      MAX. ABS. INTENSITY / VOLUME**2:      33.91282733    
      RIR:      4.374
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.44         20.40        4.3448    1   0   0         6
                21.99          1.54        4.0429    0   1   1         6
                21.99          1.18        4.0429    1   0   1         6
                26.10         37.71        3.4139    0   1   2         6
                26.10         62.29        3.4139    1   0   2         6
                35.80          4.41        2.5085    1   1   0         3
                38.65          3.97        2.3294    0   1   4         6
                39.46          1.54        2.2837    1   1   2         6
                41.57          4.38        2.1724    2   0   0         6
                44.84          1.72        2.0215    0   2   2         6
                49.08         12.50        1.8562    1   1   4         6
                53.70          1.79        1.7069    2   0   4         6
                58.65          3.10        1.5740    2   1   2         6
                58.65          2.88        1.5740    1   2   2         6
                66.22          2.27        1.4112    2   1   4         6
                66.22          1.26        1.4112    1   2   4         6
                66.61          3.41        1.4039    0   2   6         6
                66.61          1.65        1.4039    2   0   6         6
                66.78          1.67        1.4009    3   0   2         6
                79.24          1.52        1.2089    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.