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 = 644 C
      _database_code_amcsd 0003459

      CELL PARAMETERS:    8.6791   8.6791   8.8950   90.000   90.000   90.000
      SPACE GROUP: I-4       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    670.029
      Density (g/cm3):      2.318
      MAX. ABS. INTENSITY / VOLUME**2:      16.18923942    
      RIR:      2.274
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.26         38.15        6.2120    1   0   1         4
                14.43          6.67        6.1370    1   1   0         4
                19.96          6.23        4.4475    0   0   2         2
                20.47          1.64        4.3395    2   0   0         4
                24.72         31.22        3.6013    1   1   2         4
                25.03         53.18        3.5575    1   2   1         4
                25.03         46.82        3.5575    2   1   1         4
                29.10          1.81        3.0685    2   2   0         4
                31.90          4.42        2.8058    1   0   3         4
                32.55          4.98        2.7512    3   0   1         4
                32.63          2.89        2.7446    3   1   0         4
                35.54         17.30        2.5257    2   2   2         4
                38.20          5.37        2.3562    2   1   3         4
                38.20          2.58        2.3562    1   2   3         4
                38.55          1.78        2.3356    3   1   2         4
                38.55          2.42        2.3356    1   3   2         4
                38.75          2.39        2.3236    3   2   1         4
                38.75          4.96        2.3236    2   3   1         4
                41.62          1.25        2.1698    4   0   0         4
                43.27          7.67        2.0907    1   1   4         4
                43.72         11.16        2.0707    3   0   3         4
                44.22          5.29        2.0484    4   1   1         4
                44.22          5.70        2.0484    1   4   1         4
                44.28          7.35        2.0457    3   3   0         4
                46.57          2.89        1.9501    4   0   2         4
                48.73          3.09        1.8688    3   2   3         4
                50.70          1.41        1.8006    2   2   4         4
                51.37          1.98        1.7787    4   2   2         4
                53.38          1.70        1.7164    1   4   3         4
                53.81          3.90        1.7037    4   3   1         4
                56.94          1.25        1.6172    1   2   5         4
                58.17          1.11        1.5858    5   2   1         4
                59.53          5.19        1.5530    4   0   4         4
                60.33          2.19        1.5343    4   4   0         4
                61.16          1.15        1.5154    3   0   5         4
                61.95          1.01        1.4980    3   4   3         4
                62.67          1.30        1.4825    0   0   6         2
                63.64          1.48        1.4622    4   2   4         4
                63.64          1.78        1.4622    2   4   4         4
                64.22          2.92        1.4504    4   4   2         4
                64.41          1.34        1.4465    6   0   0         4
                65.21          1.37        1.4307    3   2   5         4
                65.21          1.22        1.4307    2   3   5         4
                65.97          1.76        1.4160    2   5   3         4
                66.21          1.79        1.4115    5   3   2         4
                70.55          1.36        1.3349    2   2   6         4
                72.02          1.45        1.3113    6   2   2         4
                75.25          2.44        1.2629    4   4   4         4
                79.34          1.09        1.2076    2   1   7         4
                81.32          1.15        1.1832    1   7   2         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.