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 = 1.03 GPa
      _database_code_amcsd 0002081

      CELL PARAMETERS:    9.7392   9.9539   3.7426   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    362.819
      Density (g/cm3):      3.662
      MAX. ABS. INTENSITY / VOLUME**2:      21.03953264    
      RIR:      1.871
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.82         15.24        4.9770    0   2   0         2
                18.22         38.86        4.8696    2   0   0         2
                20.30          1.76        4.3742    2   1   0         4
                25.50        100.00        3.4935    1   0   1         4
                25.59          6.35        3.4807    2   2   0         4
                27.05          3.23        3.2964    1   1   1         8
                31.28          5.28        2.8594    1   2   1         8
                32.66         68.70        2.7420    2   3   0         4
                36.64         14.27        2.4524    3   0   1         4
                36.92          5.10        2.4348    4   0   0         2
                37.38         13.22        2.4058    1   3   1         8
                40.72         12.89        2.2159    2   4   0         4
                41.28         16.27        2.1871    4   2   0         4
                46.02          4.89        1.9721    3   3   1         8
                46.25         22.27        1.9630    4   3   0         4
                48.66         33.65        1.8713    0   0   2         2
                49.46         10.74        1.8427    2   5   0         4
                52.22          1.24        1.7516    0   2   2         4
                52.38          3.35        1.7468    2   0   2         4
                52.38          9.29        1.7467    3   4   1         8
                52.94          1.12        1.7297    1   5   1         8
                53.85          1.30        1.7024    5   1   1         8
                55.38         11.87        1.6590    0   6   0         2
                55.77          1.10        1.6482    2   2   2         8
                56.37         15.15        1.6323    5   2   1         8
                56.71          1.62        1.6232    6   0   0         2
                57.53          3.71        1.6020    6   1   0         4
                58.80          3.19        1.5704    2   6   0         4
                59.84         19.02        1.5457    2   3   2         8
                59.84          7.54        1.5456    3   5   1         8
                60.40         18.12        1.5325    5   3   1         8
                61.92          4.38        1.4986    1   6   1         8
                62.61          2.12        1.4837    4   0   2         4
                63.84          1.80        1.4581    6   3   0         4
                65.26          4.19        1.4297    2   4   2         8
                65.66          6.22        1.4219    4   2   2         8
                65.80          2.41        1.4193    5   4   1         8
                68.25          4.09        1.3741    3   6   1         8
                68.77          2.26        1.3650    2   7   0         4
                69.38          9.35        1.3545    4   3   2         8
                71.65          2.19        1.3171    1   7   1         8
                71.91          5.13        1.3130    2   5   2         8
                72.48          1.13        1.3041    7   0   1         4
                73.20          4.60        1.2931    7   1   1         8
                75.34          6.17        1.2615    7   2   1         8
                75.58          1.65        1.2580    6   5   0         4
                76.78          6.84        1.2414    0   6   2         4
                77.07          2.48        1.2374    1   0   3         4
                77.91          1.06        1.2262    6   0   2         4
                78.61          2.47        1.2170    6   1   2         8
                79.71          1.98        1.2029    2   6   2         8
                81.37          1.11        1.1825    8   2   0         4
                82.91          1.34        1.1645    3   0   3         4
                83.35          1.63        1.1594    1   3   3         8
                84.18          1.36        1.1502    6   3   2         8
                88.18          2.49        1.1080    4   8   0         4
                88.71          1.94        1.1028    2   7   2         8
                89.93          2.16        1.0909    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.