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 = 306 C
      _database_code_amcsd 0003455

      CELL PARAMETERS:    8.6480   8.6480   8.8715   90.000   90.000   90.000
      SPACE GROUP: I-4       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    663.487
      Density (g/cm3):      2.341
      MAX. ABS. INTENSITY / VOLUME**2:      16.70583939    
      RIR:      2.324
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.30         36.36        6.1926    1   0   1         4
                14.48          6.01        6.1151    1   1   0         4
                20.02          6.14        4.4358    0   0   2         2
                20.54          1.68        4.3240    2   0   0         4
                24.80         31.34        3.5906    1   1   2         4
                25.12         46.67        3.5453    2   1   1         4
                25.12         53.33        3.5453    1   2   1         4
                29.21          1.69        3.0575    2   2   0         4
                31.99          4.30        2.7981    1   0   3         4
                32.66          4.68        2.7416    3   0   1         4
                32.75          2.97        2.7348    3   1   0         4
                35.66         17.42        2.5174    2   2   2         4
                38.32          6.02        2.3492    2   1   3         4
                38.32          2.77        2.3492    1   2   3         4
                38.68          2.13        2.3279    3   1   2         4
                38.68          2.84        2.3279    1   3   2         4
                38.90          2.56        2.3154    3   2   1         4
                38.90          5.50        2.3154    2   3   1         4
                41.78          1.00        2.1620    4   0   0         4
                43.40          8.33        2.0850    1   1   4         4
                43.86         11.68        2.0642    3   0   3         4
                44.38          5.44        2.0412    4   1   1         4
                44.38          6.30        2.0412    1   4   1         4
                44.45          7.49        2.0384    3   3   0         4
                46.74          3.44        1.9435    4   0   2         4
                48.89          3.48        1.8628    3   2   3         4
                50.86          1.59        1.7953    2   2   4         4
                51.56          2.27        1.7726    4   2   2         4
                53.57          1.70        1.7108    1   4   3         4
                54.02          4.21        1.6976    4   3   1         4
                57.11          1.26        1.6127    1   2   5         4
                58.40          1.17        1.5802    5   2   1         4
                59.73          6.05        1.5481    4   0   4         4
                60.57          2.46        1.5288    4   4   0         4
                61.35          1.32        1.5110    3   0   5         4
                62.18          1.05        1.4930    3   4   3         4
                62.18          1.04        1.4930    5   0   3         4
                62.85          1.41        1.4786    0   0   6         2
                63.86          1.78        1.4575    4   2   4         4
                63.86          1.92        1.4575    2   4   4         4
                64.47          3.23        1.4453    4   4   2         4
                64.67          1.48        1.4413    6   0   0         4
                65.43          1.62        1.4264    3   2   5         4
                65.43          1.51        1.4264    2   3   5         4
                66.22          2.12        1.4112    2   5   3         4
                66.47          2.18        1.4066    5   3   2         4
                70.78          1.31        1.3311    2   2   6         4
                72.31          1.45        1.3067    6   2   2         4
                75.54          2.58        1.2587    4   4   4         4
                79.60          1.29        1.2043    2   1   7         4
                80.70          1.06        1.1906    2   5   5         4
                81.44          1.14        1.1818    3   6   3         4
                81.67          1.38        1.1790    1   7   2         4
                81.80          1.13        1.1774    7   2   1         4
                88.03          1.08        1.1095    6   1   5         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.