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 = 6.20 GPa
      _database_code_amcsd 0002085

      CELL PARAMETERS:    9.6327   9.8302   3.7177   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    352.034
      Density (g/cm3):      3.774
      MAX. ABS. INTENSITY / VOLUME**2:      21.63144807    
      RIR:      1.866
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.05         15.12        4.9151    0   2   0         2
                18.42         38.97        4.8163    2   0   0         2
                20.53          1.91        4.3251    2   1   0         4
                25.69        100.00        3.4684    1   0   1         4
                25.90          6.60        3.4401    2   2   0         4
                27.27          3.17        3.2707    1   1   1         8
                31.57          5.10        2.8338    1   2   1         8
                33.06         69.11        2.7092    2   3   0         4
                36.99         13.93        2.4300    3   0   1         4
                37.34          5.22        2.4082    4   0   0         2
                37.77         13.38        2.3819    1   3   1         8
                41.24         13.24        2.1890    2   4   0         4
                41.77         17.05        2.1626    4   2   0         4
                46.53          4.46        1.9519    3   3   1         8
                46.82         22.41        1.9405    4   3   0         4
                49.00         34.35        1.8589    0   0   2         2
                50.12         10.87        1.8202    2   5   0         4
                52.64          1.21        1.7387    0   2   2         4
                52.79          3.41        1.7342    2   0   2         4
                52.99          8.92        1.7279    3   4   1         8
                53.58          1.07        1.7104    1   5   1         8
                54.45          1.34        1.6852    5   1   1         8
                56.14         11.84        1.6384    0   6   0         2
                56.25          1.17        1.6354    2   2   2         8
                57.01         15.10        1.6155    5   2   1         8
                57.40          1.62        1.6055    6   0   0         2
                58.23          3.90        1.5845    6   1   0         4
                59.61          3.22        1.5511    2   6   0         4
                60.39         19.20        1.5328    2   3   2         8
                60.58          7.43        1.5284    3   5   1         8
                61.12         17.48        1.5163    5   3   1         8
                62.72          4.31        1.4814    1   6   1         8
                63.19          2.11        1.4715    4   0   2         4
                64.65          1.82        1.4417    6   3   0         4
                65.92          4.42        1.4169    2   4   2         8
                66.31          6.56        1.4097    4   2   2         8
                66.61          2.44        1.4039    5   4   1         8
                69.15          4.08        1.3585    3   6   1         8
                69.75          2.21        1.3482    2   7   0         4
                70.10          9.57        1.3423    4   3   2         8
                72.63          2.03        1.3017    1   7   1         8
                72.71          5.25        1.3005    2   5   2         8
                74.10          4.66        1.2795    7   1   1         8
                76.28          6.17        1.2482    7   2   1         8
                76.62          1.66        1.2435    6   5   0         4
                77.69          2.51        1.2291    1   0   3         4
                77.69          6.98        1.2291    0   6   2         4
                78.76          1.06        1.2150    6   0   2         4
                79.48          2.62        1.2058    6   1   2         8
                80.68          2.06        1.1909    2   6   2         8
                82.48          1.04        1.1695    8   2   0         4
                83.64          1.31        1.1561    3   0   3         4
                84.12          1.61        1.1508    1   3   3         8
                85.17          1.39        1.1392    6   3   2         8
                89.55          2.61        1.0945    4   8   0         4
                89.88          1.94        1.0914    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.