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 = 516 C
      _database_code_amcsd 0003457

      CELL PARAMETERS:    8.6671   8.6671   8.8857   90.000   90.000   90.000
      SPACE GROUP: I-4       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    667.482
      Density (g/cm3):      2.327
      MAX. ABS. INTENSITY / VOLUME**2:      16.32613698    
      RIR:      2.285
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.28         37.84        6.2044    1   0   1         4
                14.45          6.37        6.1286    1   1   0         4
                19.98          6.28        4.4429    0   0   2         2
                20.49          1.68        4.3335    2   0   0         4
                24.75         31.76        3.5971    1   1   2         4
                25.06         46.59        3.5527    2   1   1         4
                25.06         53.41        3.5527    1   2   1         4
                29.14          1.76        3.0643    2   2   0         4
                31.93          4.43        2.8028    1   0   3         4
                32.59          4.92        2.7475    3   0   1         4
                32.67          2.94        2.7408    3   1   0         4
                35.59         17.58        2.5225    2   2   2         4
                38.24          5.75        2.3534    2   1   3         4
                38.24          2.62        2.3534    1   2   3         4
                38.60          1.94        2.3326    3   1   2         4
                38.60          2.55        2.3326    1   3   2         4
                38.81          2.47        2.3204    3   2   1         4
                38.81          5.23        2.3204    2   3   1         4
                41.68          1.14        2.1668    4   0   0         4
                43.32          8.03        2.0885    1   1   4         4
                43.77         11.52        2.0681    3   0   3         4
                44.28          5.48        2.0456    4   1   1         4
                44.28          6.00        2.0456    1   4   1         4
                44.34          7.40        2.0429    3   3   0         4
                46.64          3.12        1.9475    4   0   2         4
                48.79          3.24        1.8665    3   2   3         4
                50.76          1.49        1.7985    2   2   4         4
                51.44          2.12        1.7764    4   2   2         4
                53.45          1.70        1.7142    1   4   3         4
                53.89          4.07        1.7013    4   3   1         4
                57.01          1.26        1.6154    1   2   5         4
                58.26          1.14        1.5837    5   2   1         4
                59.61          5.58        1.5511    4   0   4         4
                60.42          2.30        1.5321    4   4   0         4
                61.23          1.21        1.5137    3   0   5         4
                62.04          1.06        1.4960    3   4   3         4
                62.74          1.36        1.4809    0   0   6         2
                63.73          1.62        1.4604    4   2   4         4
                63.73          1.85        1.4604    2   4   4         4
                64.31          3.12        1.4484    4   4   2         4
                64.51          1.40        1.4445    6   0   0         4
                65.30          1.50        1.4290    3   2   5         4
                65.30          1.36        1.4290    2   3   5         4
                66.07          1.94        1.4142    2   5   3         4
                66.31          1.98        1.4096    5   3   2         4
                70.64          1.35        1.3334    2   2   6         4
                72.13          1.47        1.3095    6   2   2         4
                75.36          2.54        1.2612    4   4   4         4
                79.44          1.19        1.2063    2   1   7         4
                80.52          1.01        1.1929    2   5   5         4
                81.23          1.06        1.1842    3   6   3         4
                81.45          1.26        1.1816    1   7   2         4
                81.59          1.01        1.1800    7   2   1         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.