Tugtupite
      Antao S M, Hassan I, Parise J B
      American Mineralogist 89 (2004) 492-497
      Tugtupite: High-temperature structures obtained from in situ synchrotron
      diffraction and Rietveld refinements
      T = 869 C
      _database_code_amcsd 0003463

      CELL PARAMETERS:    8.7036   8.7036   8.9147   90.000   90.000   90.000
      SPACE GROUP: I-4       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    675.311
      Density (g/cm3):      2.300
      MAX. ABS. INTENSITY / VOLUME**2:      15.62118804    
      RIR:      2.212
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.22         40.93        6.2277    1   0   1         4
                14.39          7.05        6.1544    1   1   0         4
                19.92          6.45        4.4573    0   0   2         2
                20.41          1.68        4.3518    2   0   0         4
                24.66         32.12        3.6100    1   1   2         4
                24.96         46.90        3.5672    2   1   1         4
                24.96         53.10        3.5672    1   2   1         4
                29.02          1.93        3.0772    2   2   0         4
                31.82          4.70        2.8122    1   0   3         4
                32.45          5.30        2.7588    3   0   1         4
                32.53          3.00        2.7523    3   1   0         4
                35.45         17.62        2.5323    2   2   2         4
                38.10          5.05        2.3619    2   1   3         4
                38.10          2.37        2.3619    1   2   3         4
                38.44          1.55        2.3418    3   1   2         4
                38.44          2.06        2.3418    1   3   2         4
                38.64          2.31        2.3300    3   2   1         4
                38.64          4.64        2.3300    2   3   1         4
                41.50          1.45        2.1759    4   0   0         4
                43.17          7.32        2.0955    1   1   4         4
                43.60         11.07        2.0759    3   0   3         4
                44.09          5.32        2.0541    4   1   1         4
                44.09          5.30        2.0541    1   4   1         4
                44.15          7.16        2.0515    3   3   0         4
                46.44          2.51        1.9554    4   0   2         4
                48.59          2.87        1.8736    3   2   3         4
                50.57          1.32        1.8050    2   2   4         4
                51.22          1.79        1.7836    4   2   2         4
                53.23          1.70        1.7209    1   4   3         4
                53.65          3.79        1.7085    4   3   1         4
                56.80          1.24        1.6210    1   2   5         4
                57.99          1.07        1.5903    5   2   1         4
                59.36          4.66        1.5569    4   0   4         4
                60.14          2.01        1.5386    4   4   0         4
                61.00          1.03        1.5190    3   0   5         4
                61.76          1.03        1.5020    3   4   3         4
                62.51          1.25        1.4858    0   0   6         2
                63.46          1.33        1.4659    4   2   4         4
                63.46          1.67        1.4659    2   4   4         4
                64.02          2.82        1.4544    4   4   2         4
                64.21          1.25        1.4506    6   0   0         4
                65.03          1.24        1.4342    3   2   5         4
                65.03          1.08        1.4342    2   3   5         4
                65.77          1.55        1.4198    2   5   3         4
                66.00          1.60        1.4154    5   3   2         4
                70.36          1.41        1.3380    2   2   6         4
                71.79          1.47        1.3149    6   2   2         4
                75.01          2.41        1.2662    4   4   4         4
                81.05          1.01        1.1865    1   7   2         4
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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.