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 = 821 C
      _database_code_amcsd 0003462

      CELL PARAMETERS:    8.6987   8.6987   8.9107   90.000   90.000   90.000
      SPACE GROUP: I-4       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    674.252
      Density (g/cm3):      2.304
      MAX. ABS. INTENSITY / VOLUME**2:      15.68670062    
      RIR:      2.217
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.23         40.45        6.2245    1   0   1         4
                14.40          7.02        6.1509    1   1   0         4
                19.93          6.42        4.4553    0   0   2         2
                20.42          1.66        4.3494    2   0   0         4
                24.67         32.22        3.6082    1   1   2         4
                24.98         46.91        3.5652    2   1   1         4
                24.98         53.09        3.5652    1   2   1         4
                29.03          1.89        3.0755    2   2   0         4
                31.84          4.66        2.8109    1   0   3         4
                32.47          5.25        2.7573    3   0   1         4
                32.55          2.96        2.7508    3   1   0         4
                35.47         17.66        2.5310    2   2   2         4
                38.12          5.16        2.3608    2   1   3         4
                38.12          2.42        2.3608    1   2   3         4
                38.46          1.60        2.3406    3   1   2         4
                38.46          2.12        2.3406    1   3   2         4
                38.66          2.33        2.3287    3   2   1         4
                38.66          4.71        2.3287    2   3   1         4
                41.53          1.41        2.1747    4   0   0         4
                43.19          7.42        2.0945    1   1   4         4
                43.62         11.13        2.0748    3   0   3         4
                44.11          5.38        2.0530    4   1   1         4
                44.11          5.40        2.0530    1   4   1         4
                44.17          7.20        2.0503    3   3   0         4
                46.47          2.60        1.9543    4   0   2         4
                48.62          2.89        1.8727    3   2   3         4
                50.59          1.33        1.8041    2   2   4         4
                51.25          1.82        1.7826    4   2   2         4
                53.26          1.70        1.7200    1   4   3         4
                53.68          3.84        1.7075    4   3   1         4
                56.82          1.25        1.6202    1   2   5         4
                58.03          1.08        1.5894    5   2   1         4
                59.39          4.79        1.5561    4   0   4         4
                60.18          2.05        1.5377    4   4   0         4
                61.03          1.06        1.5183    3   0   5         4
                61.80          1.03        1.5012    3   4   3         4
                62.54          1.27        1.4851    0   0   6         2
                63.49          1.37        1.4652    4   2   4         4
                63.49          1.69        1.4652    2   4   4         4
                64.06          2.86        1.4536    4   4   2         4
                64.25          1.26        1.4498    6   0   0         4
                65.07          1.27        1.4335    3   2   5         4
                65.07          1.11        1.4335    2   3   5         4
                65.81          1.61        1.4190    2   5   3         4
                66.04          1.65        1.4146    5   3   2         4
                70.40          1.40        1.3374    2   2   6         4
                71.83          1.47        1.3142    6   2   2         4
                75.06          2.43        1.2655    4   4   4         4
                79.17          1.02        1.2098    2   1   7         4
                81.10          1.05        1.1858    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.