Zircon
      Kolesov B A, Geiger C A, Armbruster T
      European Journal of Mineralogy 13 (2001) 939-948
      The dynamic properties of zircon studied by single-crystal X-ray
      diffraction and Raman spectroscopy
      _database_code_amcsd 0006906

      CELL PARAMETERS:    6.6039   6.6039   5.9783   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    260.723
      Density (g/cm3):      4.669
      MAX. ABS. INTENSITY / VOLUME**2:      74.01198716    
      RIR:      5.161
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.03         42.47        4.4320    1   0   1         8
                27.00        100.00        3.3019    2   0   0         4
                33.85          7.57        2.6479    2   1   1        16
                35.66         57.90        2.5175    1   1   2         8
                38.56         12.80        2.3348    2   2   0         4
                40.72          6.08        2.2160    2   0   2         8
                43.83         20.26        2.0657    3   0   1         8
                47.67         13.48        1.9078    1   0   3         8
                52.23         14.16        1.7512    3   2   1        16
                53.53         53.76        1.7119    3   1   2        16
                55.64          3.52        1.6519    2   1   3        16
                55.67         14.83        1.6510    4   0   0         4
                59.77          2.72        1.5471    4   1   1        16
                62.10          3.02        1.4946    0   0   4         2
                62.91          2.87        1.4773    3   0   3         8
                62.94          9.72        1.4767    4   2   0         8
                67.89         16.78        1.3806    3   3   2         8
                68.97         10.09        1.3616    2   0   4         8
                73.42          5.06        1.2897    4   3   1        16
                75.53          8.72        1.2588    2   2   4         8
                76.27          2.49        1.2484    4   1   3        16
                80.89          9.52        1.1884    5   1   2        16
                82.66          2.92        1.1674    4   4   0         4
                88.15          2.53        1.1083    2   1   5        16
                88.18          5.04        1.1080    4   0   4         8
                88.89          1.94        1.1009    5   0   3         8
                88.92          4.53        1.1006    6   0   0         4
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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.