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 = 585 C
      Locality: synthetic
      _database_code_amcsd 0007995

      CELL PARAMETERS:    5.0387   5.0387  11.0610   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    243.199
      Density (g/cm3):      2.498
      MAX. ABS. INTENSITY / VOLUME**2:      34.60134174    
      RIR:      4.511
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.35         19.38        4.3636    1   0   0         6
                21.90          2.67        4.0592    1   0   1        12
                26.01        100.00        3.4257    1   0   2        12
                35.64          3.41        2.5194    1   1   0         6
                38.54          2.33        2.3357    1   0   4        12
                41.38          3.75        2.1818    2   0   0         6
                44.65          2.47        2.0296    2   0   2        12
                48.91         13.40        1.8623    1   1   4        12
                58.39          5.14        1.5805    2   1   2        12
                65.95          2.84        1.4165    2   1   4        12
                66.39          4.89        1.4081    2   0   6        12
                73.58          1.23        1.2873    3   0   4        12
                75.47          1.24        1.2597    2   2   0         6
                77.69          1.29        1.2292    2   1   6        12
                78.99          1.36        1.2121    1   1   8        12
                81.39          1.95        1.1823    3   1   2        12
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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.