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 P1400, x(Ti) in M1 = .485, P = 4.34 GPa
      _database_code_amcsd 0002084

      CELL PARAMETERS:    9.6737   9.8769   3.7271   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    356.110
      Density (g/cm3):      3.731
      MAX. ABS. INTENSITY / VOLUME**2:      21.43311931    
      RIR:      1.871
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.96         15.15        4.9384    0   2   0         2
                18.34         38.77        4.8369    2   0   0         2
                20.44          1.88        4.3439    2   1   0         4
                25.61        100.00        3.4779    1   0   1         4
                25.78          6.50        3.4555    2   2   0         4
                27.18          3.25        3.2805    1   1   1         8
                31.46          5.16        2.8435    1   2   1         8
                32.91         69.01        2.7216    2   3   0         4
                36.86         14.06        2.4386    3   0   1         4
                37.18          5.25        2.4184    4   0   0         2
                37.62         13.37        2.3909    1   3   1         8
                41.04         13.13        2.1992    2   4   0         4
                41.58         16.93        2.1720    4   2   0         4
                46.33          4.58        1.9596    3   3   1         8
                46.60         22.37        1.9491    4   3   0         4
                48.87         34.23        1.8635    0   0   2         2
                49.87         10.99        1.8287    2   5   0         4
                52.48          1.25        1.7435    0   2   2         4
                52.63          3.37        1.7389    2   0   2         4
                52.76          9.15        1.7351    3   4   1         8
                53.34          1.11        1.7177    1   5   1         8
                54.22          1.37        1.6918    5   1   1         8
                55.85         11.85        1.6461    0   6   0         2
                56.07          1.13        1.6402    2   2   2         8
                56.76         15.28        1.6219    5   2   1         8
                57.13          1.63        1.6123    6   0   0         2
                57.96          3.87        1.5912    6   1   0         4
                59.30          3.22        1.5584    2   6   0         4
                60.18         19.28        1.5376    2   3   2         8
                60.30          7.64        1.5350    3   5   1         8
                60.84         17.65        1.5225    5   3   1         8
                62.41          4.32        1.4879    1   6   1         8
                62.97          2.16        1.4761    4   0   2         4
                64.34          1.84        1.4480    6   3   0         4
                65.67          4.35        1.4218    2   4   2         8
                66.06          6.53        1.4143    4   2   2         8
                66.30          2.45        1.4098    5   4   1         8
                68.81          4.10        1.3644    3   6   1         8
                69.38          2.26        1.3545    2   7   0         4
                69.83          9.56        1.3470    4   3   2         8
                72.26          2.15        1.3075    1   7   1         8
                72.40          5.34        1.3053    2   5   2         8
                73.02          1.02        1.2958    7   0   1         4
                73.75          4.65        1.2847    7   1   1         8
                75.92          6.26        1.2533    7   2   1         8
                76.22          1.69        1.2491    6   5   0         4
                77.34          6.96        1.2337    0   6   2         4
                77.46          2.54        1.2322    1   0   3         4
                78.44          1.07        1.2193    6   0   2         4
                79.15          2.61        1.2101    6   1   2         8
                80.31          2.04        1.1955    2   6   2         8
                82.05          1.09        1.1745    8   2   0         4
                83.36          1.34        1.1593    3   0   3         4
                83.83          1.65        1.1541    1   3   3         8
                84.79          1.41        1.1434    6   3   2         8
                89.03          2.62        1.0996    4   8   0         4
                89.43          1.98        1.0957    2   7   2         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.