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 = 65 C
      Locality: Ellora Caves, Hyderabad State, India
      _database_code_amcsd 0010748

      CELL PARAMETERS:    4.9820   4.9820   6.9630   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    172.824
      Density (g/cm3):      2.309
      MAX. ABS. INTENSITY / VOLUME**2:      35.83012388    
      RIR:      5.053
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.94        100.00        4.0517    1   0   1         8
                28.39          8.72        3.1434    1   1   1         8
                31.35         10.79        2.8537    1   0   2         8
                36.06         14.16        2.4910    2   0   0         4
                36.28          4.46        2.4763    1   1   2         8
                42.61          2.81        2.1220    2   1   1         8
                44.73          2.51        2.0258    2   0   2         8
                46.88          5.05        1.9382    1   1   3         8
                48.51          5.24        1.8766    2   1   2         8
                54.00          2.55        1.6981    2   0   3         8
                57.01          4.18        1.6154    3   0   1         8
                57.32          1.34        1.6073    2   1   3         8
                60.23          2.64        1.5366    3   1   1         8
                61.91          2.95        1.4989    3   0   2         8
                64.97          2.46        1.4353    3   1   2         8
                65.41          1.54        1.4269    2   0   4         8
                66.66          1.44        1.4031    2   2   3         8
                68.39          2.43        1.3717    2   1   4         8
                69.33          1.08        1.3553    3   2   1         8
                70.17          1.94        1.3412    1   0   5         8
                72.51          2.32        1.3035    3   1   3         8
                73.78          2.30        1.2843    3   2   2         8
                77.92          1.18        1.2260    4   0   1         8
                79.29          1.56        1.2083    4   1   0         8
                80.98          1.43        1.1873    3   2   3         8
                81.51          1.58        1.1809    2   1   5         8
                88.76          1.73        1.1022    1   1   6         8
                88.99          1.09        1.1000    4   2   1         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.