Zircon
      Hazen R M, Finger L W
      American Mineralogist 64 (1979) 196-201
      Crystal structure and compressibility of zircon at high pressure
      crystal No. 1, 1 atm - before P
      _database_code_amcsd 0000697

      CELL PARAMETERS:    6.6042   6.6042   5.9796   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    260.803
      Density (g/cm3):      4.668
      MAX. ABS. INTENSITY / VOLUME**2:      74.10144541    
      RIR:      5.169
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.03         42.50        4.4326    1   0   1         8
                27.00        100.00        3.3021    2   0   0         4
                33.85          7.57        2.6481    2   1   1        16
                35.66         57.83        2.5180    1   1   2         8
                38.56         12.84        2.3349    2   2   0         4
                40.71          6.04        2.2163    2   0   2         8
                43.82         20.32        2.0658    3   0   1         8
                47.66         13.52        1.9082    1   0   3         8
                52.23         14.21        1.7514    3   2   1        16
                53.52         53.92        1.7121    3   1   2        16
                55.63          3.54        1.6522    2   1   3        16
                55.67         14.85        1.6510    4   0   0         4
                59.77          2.73        1.5472    4   1   1        16
                62.09          3.05        1.4949    0   0   4         2
                62.90          2.90        1.4775    3   0   3         8
                62.94          9.74        1.4767    4   2   0         8
                67.88         16.88        1.3807    3   3   2         8
                68.96         10.15        1.3618    2   0   4         8
                73.41          5.10        1.2897    4   3   1        16
                75.52          8.74        1.2590    2   2   4         8
                76.26          2.50        1.2486    4   1   3        16
                80.88          9.58        1.1885    5   1   2        16
                82.65          2.93        1.1675    4   4   0         4
                88.13          2.55        1.1085    2   1   5        16
                88.16          5.09        1.1082    4   0   4         8
                88.88          1.96        1.1010    5   0   3         8
                88.92          4.57        1.1007    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.