Pseudobrookite
      Yang H, Hazen R M
      American Mineralogist 84 (1999) 130-137
      Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with
      different ordering states
      Sample P600, x(Ti) in M1 = .070, P = 0 GPa
      _database_code_amcsd 0002073

      CELL PARAMETERS:    9.7131  10.0190   3.7363   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    363.600
      Density (g/cm3):      3.654
      MAX. ABS. INTENSITY / VOLUME**2:      23.82849087    
      RIR:      2.124
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.71         31.18        5.0095    0   2   0         2
                18.27         22.69        4.8566    2   0   0         2
                20.32         11.62        4.3702    2   1   0         4
                25.54         96.79        3.4872    1   0   1         4
                25.55          3.21        3.4869    2   2   0         4
                31.25          7.44        2.8620    1   2   1         8
                32.54         62.16        2.7518    2   3   0         4
                36.73         12.35        2.4468    3   0   1         4
                37.02          7.33        2.4283    4   0   0         2
                37.28         11.83        2.4120    1   3   1         8
                38.13          2.07        2.3600    4   1   0         4
                40.52         10.39        2.2261    2   4   0         4
                41.32         15.52        2.1851    4   2   0         4
                44.54          2.17        2.0344    1   4   1         8
                45.98          6.59        1.9738    3   3   1         8
                46.22         14.20        1.9640    4   3   0         4
                48.74         30.25        1.8681    0   0   2         2
                49.19         13.67        1.8523    2   5   0         4
                52.26          2.47        1.7504    0   2   2         4
                52.27          4.43        1.7503    3   4   1         8
                52.48          2.06        1.7436    2   0   2         4
                52.68          1.70        1.7374    1   5   1         8
                53.14          1.01        1.7236    5   0   1         4
                53.33          1.25        1.7178    2   1   2         8
                53.98          2.62        1.6986    5   1   1         8
                54.99         11.79        1.6698    0   6   0         2
                56.46         14.75        1.6298    5   2   1         8
                56.88          1.35        1.6189    6   0   0         2
                57.68          2.97        1.5981    6   1   0         4
                58.44          1.84        1.5791    2   6   0         4
                59.64          7.16        1.5503    3   5   1         8
                59.84         17.56        1.5456    2   3   2         8
                60.44         15.41        1.5316    5   3   1         8
                61.58          6.11        1.5061    1   6   1         8
                62.75          2.84        1.4807    4   0   2         4
                63.90          3.68        1.4567    6   3   0         4
                65.19          3.37        1.4310    2   4   2         8
                65.77          6.13        1.4199    4   2   2         8
                65.77          1.83        1.4199    5   4   1         8
                67.96          4.59        1.3793    3   6   1         8
                68.15          1.50        1.3759    4   6   0         4
                68.32          1.33        1.3729    2   7   0         4
                69.44          6.06        1.3536    4   3   2         8
                71.76          6.61        1.3154    2   5   2         8
                72.31          1.13        1.3067    5   5   1         8
                72.69          1.06        1.3008    7   0   1         4
                73.40          3.02        1.2900    7   1   1         8
                75.50          1.36        1.2592    6   5   0         4
                75.51          5.88        1.2590    7   2   1         8
                76.52          6.92        1.2450    0   6   2         4
                77.23          2.49        1.2353    1   0   3         4
                78.81          2.03        1.2144    6   1   2         8
                78.99          1.64        1.2121    7   3   1         8
                79.47          1.18        1.2060    2   6   2         8
                81.59          1.06        1.1800    8   2   0         4
                83.09          1.18        1.1624    3   0   3         4
                83.42          1.44        1.1586    1   3   3         8
                84.30          2.84        1.1488    6   3   2         8
                87.67          2.75        1.1131    4   8   0         4
                88.19          1.41        1.1079    4   6   2         8
                88.35          1.12        1.1063    2   7   2         8
                89.92          1.91        1.0911    7   5   1         8
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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.