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 = 0.00 GPa
      _database_code_amcsd 0002080

      CELL PARAMETERS:    9.7602   9.9796   3.7479   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    365.056
      Density (g/cm3):      3.639
      MAX. ABS. INTENSITY / VOLUME**2:      20.88433853    
      RIR:      1.869
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.78         15.80        4.9898    0   2   0         2
                18.18         38.57        4.8801    2   0   0         2
                20.26          1.73        4.3840    2   1   0         4
                25.46        100.00        3.4988    1   0   1         4
                25.53          6.44        3.4889    2   2   0         4
                27.00          3.26        3.3018    1   1   1         8
                31.22          5.43        2.8647    1   2   1         8
                32.58         69.18        2.7487    2   3   0         4
                36.57         14.06        2.4569    3   0   1         4
                36.84          5.13        2.4400    4   0   0         2
                37.30         13.09        2.4108    1   3   1         8
                40.61         12.91        2.2214    2   4   0         4
                41.18         16.10        2.1920    4   2   0         4
                45.92          4.89        1.9763    3   3   1         8
                46.14         22.74        1.9675    4   3   0         4
                48.58         33.82        1.8740    0   0   2         2
                49.33         10.69        1.8474    2   5   0         4
                52.14          1.29        1.7543    0   2   2         4
                52.26          9.47        1.7506    3   4   1         8
                52.29          3.35        1.7494    2   0   2         4
                52.81          1.04        1.7337    1   5   1         8
                53.74          1.23        1.7058    5   1   1         8
                55.23         12.11        1.6633    0   6   0         2
                55.68          1.09        1.6509    2   2   2         8
                56.24         15.24        1.6356    5   2   1         8
                56.58          1.71        1.6267    6   0   0         2
                57.39          3.71        1.6055    6   1   0         4
                58.64          3.14        1.5743    2   6   0         4
                59.69          7.49        1.5491    3   5   1         8
                59.72         19.24        1.5483    2   3   2         8
                60.26         18.31        1.5357    5   3   1         8
                61.75          4.50        1.5022    1   6   1         8
                62.49          2.13        1.4862    4   0   2         4
                63.68          1.80        1.4613    6   3   0         4
                65.12          4.19        1.4324    2   4   2         8
                65.53          6.12        1.4244    4   2   2         8
                65.64          2.37        1.4224    5   4   1         8
                68.07          3.95        1.3773    3   6   1         8
                68.58          2.34        1.3685    2   7   0         4
                69.24          9.64        1.3570    4   3   2         8
                71.45          2.25        1.3203    1   7   1         8
                71.75          5.11        1.3156    2   5   2         8
                72.30          1.18        1.3068    7   0   1         4
                73.02          4.73        1.2957    7   1   1         8
                75.15          6.11        1.2642    7   2   1         8
                75.38          1.67        1.2610    6   5   0         4
                76.59          6.99        1.2440    0   6   2         4
                76.94          2.48        1.2392    1   0   3         4
                77.74          1.12        1.2284    6   0   2         4
                78.44          2.47        1.2192    6   1   2         8
                79.52          1.96        1.2054    2   6   2         8
                81.16          1.10        1.1851    8   2   0         4
                82.75          1.31        1.1663    3   0   3         4
                83.19          1.61        1.1612    1   3   3         8
                83.98          1.33        1.1524    6   3   2         8
                87.91          2.47        1.1107    4   8   0         4
                88.46          2.01        1.1052    2   7   2         8
                89.68          2.27        1.0933    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.