Cristobalite
      Downs R T, Palmer D C
      American Mineralogist 79 (1994) 9-14
      The pressure behavior of alpha cristobalite
      P = 1.05 GPa

      CELL PARAMETERS:   4.8757  4.8757  6.7163   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      33.40077317    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                22.53        100.00        3.9456    1   0   1
                25.84          1.59        3.4476    1   1   0
                29.11         13.22        3.0671    1   1   1
                32.37         17.40        2.7656    1   0   2
                36.87         18.56        2.4378    2   0   0
                37.38          1.57        2.4056    1   1   2
                43.64          4.34        2.0739    2   1   1
                46.00          1.33        1.9728    2   0   2
                48.48          6.87        1.8776    1   1   3
                49.86          6.42        1.8288    2   1   2
                54.66          1.90        1.6791    0   0   4
                55.75          3.37        1.6489    2   0   3
                58.42          3.40        1.5796    3   0   1
                60.00          1.08        1.5418    3   1   0
                61.73          4.40        1.5027    3   1   1
                63.60          6.28        1.4629    3   0   2
                67.77          1.82        1.3828    2   0   4
                68.73          1.52        1.3658    2   2   3
                70.83          2.68        1.3303    2   1   4
                71.12          1.80        1.3257    3   2   1
                73.07          3.09        1.2950    1   0   5
                74.76          4.50        1.2698    3   1   3
                75.84          3.84        1.2544    3   2   2
                80.00          1.12        1.1993    4   0   1
                81.37          1.29        1.1825    4   1   0
                82.90          1.11        1.1646    4   1   1
                83.52          1.08        1.1575    3   2   3
                84.77          1.84        1.1437    2   1   5
                85.50          1.22        1.1357    3   1   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.