Cristobalite
      Peacor D R
      Zeitschrift fur Kristallographie 138 (1973) 274-298
      High-temperature single-crystal study of the cristobalite inversion
      Note: Cell has been corrected
      Sample: T = 210 C
      Locality: Ellora Caves, Hyderabad State, India
      _database_code_amcsd 0010752

      CELL PARAMETERS:    4.9960   4.9960   7.0160   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    175.119
      Density (g/cm3):      2.279
      MAX. ABS. INTENSITY / VOLUME**2:      36.18389238    
      RIR:      5.171
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.84        100.00        4.0696    1   0   1         8
                28.28          7.56        3.1553    1   1   1         8
                31.15          9.22        2.8709    1   0   2         8
                35.95         12.59        2.4980    2   0   0         4
                36.08          5.53        2.4892    1   1   2         8
                42.46          2.39        2.1289    2   1   1         8
                44.53          2.75        2.0348    2   0   2         8
                46.57          4.29        1.9501    1   1   3         8
                48.29          4.46        1.8845    2   1   2         8
                53.69          2.14        1.7072    2   0   3         8
                56.82          3.90        1.6203    3   0   1         8
                57.00          1.76        1.6155    2   1   3         8
                60.02          2.05        1.5413    3   1   1         8
                61.65          2.12        1.5044    3   0   2         8
                64.71          2.65        1.4405    3   1   2         8
                64.97          1.45        1.4355    2   0   4         8
                66.32          1.21        1.4095    2   2   3         8
                67.94          2.05        1.3797    2   1   4         8
                69.59          1.50        1.3509    1   0   5         8
                72.15          1.62        1.3091    3   1   3         8
                73.48          1.69        1.2887    3   2   2         8
                77.65          1.03        1.2297    4   0   1         8
                79.02          1.39        1.2117    4   1   0         8
                80.58          1.32        1.1921    3   2   3         8
                80.90          1.35        1.1883    2   1   5         8
                87.97          1.39        1.1101    1   1   6         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.