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 = 92 C
      Locality: synthetic
      _database_code_amcsd 0007987

      CELL PARAMETERS:    4.9490   4.9490  10.9550   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    232.369
      Density (g/cm3):      2.614
      MAX. ABS. INTENSITY / VOLUME**2:      33.77703073    
      RIR:      4.207
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.72         21.00        4.2860    1   0   0         6
                22.27          1.90        3.9914    0   1   1         6
                22.27          1.03        3.9914    1   0   1         6
                26.40         28.75        3.3754    0   1   2         6
                26.40         71.25        3.3754    1   0   2         6
                36.30          7.14        2.4745    1   1   0         3
                39.03          6.87        2.3078    0   1   4         6
                39.03          1.03        2.3078    1   0   4         6
                39.98          3.70        2.2551    1   1   2         6
                42.17          5.88        2.1430    2   0   0         6
                45.45          1.88        1.9957    0   2   2         6
                49.65         11.25        1.8361    1   1   4         6
                54.36          3.12        1.6877    2   0   4         6
                54.64          1.62        1.6798    1   0   6         6
                59.51          4.54        1.5534    2   1   2         6
                59.51          4.04        1.5534    1   2   2         6
                63.30          1.82        1.4692    1   1   6         6
                67.13          1.21        1.3943    1   2   4         6
                67.13          4.17        1.3943    2   1   4         6
                67.38          4.73        1.3898    0   2   6         6
                67.38          1.19        1.3898    2   0   6         6
                67.79          4.22        1.3824    3   0   2         6
                72.46          1.69        1.3044    0   1   8         6
                74.98          1.85        1.2667    0   3   4         6
                79.02          2.12        1.2118    1   2   6         6
                80.10          2.03        1.1981    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.