Cristobalite
      Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T
      Physics and Chemistry of Minerals 38 (2011) 517-529
      New insights into the high-pressure polymorphism of SiO2 cristobalite
      Note: P = 7.3 GPa
      Locality: Ellora Caves, India
      _database_code_amcsd 0018346

      CELL PARAMETERS:    4.6320   4.6320   6.2090   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    133.217
      Density (g/cm3):      2.995
      MAX. ABS. INTENSITY / VOLUME**2:      23.54732593    
      RIR:      2.560
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.97        100.00        3.7127    1   0   1         8
                27.23          6.40        3.2753    1   1   0         4
                30.87         25.26        2.8970    1   1   1         8
                34.79         38.25        2.5789    1   0   2         8
                38.89         36.93        2.3160    2   0   0         4
                40.02          1.49        2.2532    1   1   2         8
                41.62          3.88        2.1700    2   0   1         8
                46.20          9.04        1.9650    2   1   1         8
                48.16          1.75        1.8896    1   0   3         8
                52.29          8.02        1.7496    1   1   3         8
                53.15          7.23        1.7231    2   1   2         8
                56.17          3.93        1.6377    2   2   0         4
                59.56          7.68        1.5523    0   0   4         2
                59.94          4.18        1.5432    2   0   3         8
                63.51          3.58        1.4648    3   1   0         8
                63.54          1.33        1.4641    2   1   3         8
                64.31          2.71        1.4485    2   2   2         8
                65.47          8.00        1.4256    3   1   1         8
                67.79         16.74        1.3825    3   0   2         8
                71.18          2.21        1.3247    3   1   2         8
                73.44          5.13        1.2894    2   0   4         8
                75.58          4.04        1.2580    3   2   1         8
                76.72          1.73        1.2422    2   1   4         8
                79.99          4.32        1.1994    1   0   5         8
                80.30          7.34        1.1956    3   1   3         8
                81.00          6.82        1.1871    3   2   2         8
                86.36          1.12        1.1266    2   2   4         8
                88.43          2.88        1.1055    4   1   1         8
                89.84          2.59        1.0918    3   3   0         4
                89.87          1.70        1.0915    3   2   3         8
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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.