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 = 2.16 GPa
      _database_code_amcsd 0002082

      CELL PARAMETERS:    9.7166   9.9275   3.7369   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    360.467
      Density (g/cm3):      3.685
      MAX. ABS. INTENSITY / VOLUME**2:      21.18660286    
      RIR:      1.872
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.87         15.10        4.9637    0   2   0         2
                18.26         38.77        4.8583    2   0   0         2
                20.35          1.79        4.3638    2   1   0         4
                25.54        100.00        3.4878    1   0   1         4
                25.66          6.41        3.4720    2   2   0         4
                27.10          3.25        3.2907    1   1   1         8
                31.35          5.25        2.8538    1   2   1         8
                32.74         68.79        2.7350    2   3   0         4
                36.72         14.19        2.4475    3   0   1         4
                37.01          5.15        2.4292    4   0   0         2
                37.46         13.18        2.4006    1   3   1         8
                40.83         12.81        2.2102    2   4   0         4
                41.38         16.27        2.1819    4   2   0         4
                46.13          4.82        1.9678    3   3   1         8
                46.37         22.32        1.9582    4   3   0         4
                48.74         33.71        1.8685    0   0   2         2
                49.60         10.68        1.8379    2   5   0         4
                52.32          1.23        1.7487    0   2   2         4
                52.47          3.34        1.7439    2   0   2         4
                52.51          9.25        1.7427    3   4   1         8
                53.07          1.11        1.7255    1   5   1         8
                53.98          1.29        1.6987    5   1   1         8
                55.54         11.88        1.6546    0   6   0         2
                55.88          1.10        1.6453    2   2   2         8
                56.50         15.06        1.6287    5   2   1         8
                56.85          1.63        1.6194    6   0   0         2
                57.68          3.72        1.5983    6   1   0         4
                58.97          3.19        1.5662    2   6   0         4
                59.96         19.03        1.5428    2   3   2         8
                60.00          7.48        1.5419    3   5   1         8
                60.55         18.00        1.5290    5   3   1         8
                62.09          4.36        1.4949    1   6   1         8
                62.74          2.12        1.4810    4   0   2         4
                64.01          1.80        1.4546    6   3   0         4
                65.41          4.17        1.4269    2   4   2         8
                65.80          6.20        1.4192    4   2   2         8
                65.97          2.43        1.4160    5   4   1         8
                68.45          4.05        1.3707    3   6   1         8
                68.98          2.22        1.3614    2   7   0         4
                69.54          9.40        1.3518    4   3   2         8
                71.86          2.18        1.3138    1   7   1         8
                72.08          5.11        1.3103    2   5   2         8
                72.66          1.10        1.3012    7   0   1         4
                73.39          4.62        1.2902    7   1   1         8
                75.54          6.10        1.2587    7   2   1         8
                75.80          1.64        1.2549    6   5   0         4
                76.98          6.87        1.2387    0   6   2         4
                77.21          2.48        1.2355    1   0   3         4
                78.09          1.06        1.2238    6   0   2         4
                78.80          2.47        1.2146    6   1   2         8
                79.92          1.99        1.2003    2   6   2         8
                81.60          1.09        1.1798    8   2   0         4
                83.07          1.33        1.1626    3   0   3         4
                83.52          1.62        1.1575    1   3   3         8
                84.39          1.36        1.1478    6   3   2         8
                88.47          2.48        1.1051    4   8   0         4
                88.96          1.91        1.1003    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.