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 = 179 C
      Locality: Ellora Caves, Hyderabad State, India
      _database_code_amcsd 0010751

      CELL PARAMETERS:    4.9930   4.9930   7.0050   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    174.635
      Density (g/cm3):      2.285
      MAX. ABS. INTENSITY / VOLUME**2:      36.19591922    
      RIR:      5.158
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.86        100.00        4.0659    1   0   1         8
                28.31          7.78        3.1528    1   1   1         8
                31.19          9.47        2.8674    1   0   2         8
                35.97         12.69        2.4965    2   0   0         4
                36.12          5.39        2.4865    1   1   2         8
                42.49          2.43        2.1275    2   1   1         8
                44.57          2.72        2.0329    2   0   2         8
                46.64          4.38        1.9476    1   1   3         8
                48.34          4.57        1.8829    2   1   2         8
                53.75          2.25        1.7053    2   0   3         8
                56.86          3.85        1.6193    3   0   1         8
                57.07          1.68        1.6138    2   1   3         8
                60.07          2.17        1.5403    3   1   1         8
                61.71          2.28        1.5032    3   0   2         8
                64.77          2.51        1.4394    3   1   2         8
                65.06          1.42        1.4337    2   0   4         8
                66.39          1.27        1.4082    2   2   3         8
                68.04          2.17        1.3780    2   1   4         8
                69.71          1.53        1.3489    1   0   5         8
                72.23          1.73        1.3080    3   1   3         8
                73.54          1.79        1.2878    3   2   2         8
                77.71          1.06        1.2289    4   0   1         8
                79.08          1.43        1.2110    4   1   0         8
                80.67          1.30        1.1911    3   2   3         8
                81.02          1.37        1.1868    2   1   5         8
                88.13          1.43        1.1085    1   1   6         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.