Zircon
      Wyckoff W, Hendricks S
      Zeitschrift fur Kristallographie 66 (1927) 73-102
      Die Kristallstruktur von Zirkon und die Kriterien fur spezielle Lagen
      in tetragonalen Raumgruppen.
      _cod_database_code 1011263
      _database_code_amcsd 0018123

      CELL PARAMETERS:    6.6000   6.6000   5.8800   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    256.133
      Density (g/cm3):      4.753
      MAX. ABS. INTENSITY / VOLUME**2:      69.46631334    
      RIR:      4.759
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.23         41.55        4.3904    1   0   1         8
                27.02        100.00        3.3000    2   0   0         4
                33.98         10.48        2.6379    2   1   1        16
                36.11         68.47        2.4875    1   1   2         8
                38.58         10.54        2.3335    2   2   0         4
                41.12          9.81        2.1952    2   0   2         8
                43.94         17.15        2.0605    3   0   1         8
                48.45         10.70        1.8789    1   0   3         8
                52.35         13.02        1.7478    3   2   1        16
                53.87         49.76        1.7019    3   1   2        16
                55.71         17.01        1.6500    4   0   0         4
                56.35          3.70        1.6328    2   1   3        16
                59.88          3.09        1.5445    4   1   1        16
                62.98         10.63        1.4758    4   2   0         8
                63.26          1.74        1.4700    0   0   4         2
                63.58          1.64        1.4635    3   0   3         8
                68.20         13.22        1.3750    3   3   2         8
                70.08          8.84        1.3428    2   0   4         8
                73.53          4.36        1.2879    4   3   1        16
                76.61          9.98        1.2438    2   2   4         8
                76.90          2.64        1.2398    4   1   3        16
                81.20          9.41        1.1846    5   1   2        16
                82.71          3.44        1.1667    4   4   0         4
                88.99          3.48        1.1000    6   0   0         4
                89.24          3.32        1.0976    4   0   4         8
                89.52          1.62        1.0949    5   0   3         8
                89.77          2.27        1.0925    2   1   5        16
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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.