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 = 103 C
      Locality: Ellora Caves, Hyderabad State, India
      _database_code_amcsd 0010749

      CELL PARAMETERS:    4.9860   4.9860   6.9770   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    173.450
      Density (g/cm3):      2.301
      MAX. ABS. INTENSITY / VOLUME**2:      35.97356435    
      RIR:      5.092
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.91        100.00        4.0566    1   0   1         8
                28.36          8.52        3.1467    1   1   1         8
                31.29         10.34        2.8583    1   0   2         8
                36.03         13.65        2.4930    2   0   0         4
                36.22          4.74        2.4798    1   1   2         8
                42.56          2.67        2.1240    2   1   1         8
                44.68          2.59        2.0283    2   0   2         8
                46.79          4.82        1.9413    1   1   3         8
                48.45          5.07        1.8788    2   1   2         8
                53.91          2.49        1.7006    2   0   3         8
                56.96          4.02        1.6168    3   0   1         8
                57.24          1.43        1.6095    2   1   3         8
                60.17          2.53        1.5379    3   1   1         8
                61.83          2.75        1.5004    3   0   2         8
                64.90          2.40        1.4368    3   1   2         8
                65.29          1.47        1.4292    2   0   4         8
                66.56          1.42        1.4049    2   2   3         8
                68.27          2.40        1.3738    2   1   4         8
                69.27          1.01        1.3565    3   2   1         8
                70.02          1.78        1.3438    1   0   5         8
                72.42          2.14        1.3051    3   1   3         8
                73.69          2.15        1.2855    3   2   2         8
                77.84          1.14        1.2271    4   0   1         8
                79.21          1.54        1.2093    4   1   0         8
                80.87          1.37        1.1886    3   2   3         8
                81.34          1.51        1.1829    2   1   5         8
                88.55          1.64        1.1043    1   1   6         8
                88.89          1.06        1.1009    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.