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 = 3.22 GPa
      _database_code_amcsd 0002083

      CELL PARAMETERS:    9.6949   9.9022   3.7313   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    358.208
      Density (g/cm3):      3.709
      MAX. ABS. INTENSITY / VOLUME**2:      21.12091296    
      RIR:      1.854
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.92         15.45        4.9511    0   2   0         2
                18.30         38.95        4.8474    2   0   0         2
                20.40          1.78        4.3538    2   1   0         4
                25.58        100.00        3.4823    1   0   1         4
                25.72          6.36        3.4637    2   2   0         4
                27.14          3.24        3.2851    1   1   1         8
                31.41          5.07        2.8483    1   2   1         8
                32.83         69.72        2.7283    2   3   0         4
                36.79         14.19        2.4428    3   0   1         4
                37.09          5.37        2.4237    4   0   0         2
                37.54         13.60        2.3956    1   3   1         8
                40.93         13.16        2.2047    2   4   0         4
                41.48         16.83        2.1769    4   2   0         4
                46.23          4.58        1.9636    3   3   1         8
                46.48         22.43        1.9536    4   3   0         4
                48.81         33.91        1.8657    0   0   2         2
                49.73         10.95        1.8333    2   5   0         4
                52.41          1.25        1.7458    0   2   2         4
                52.56          3.38        1.7411    2   0   2         4
                52.64          9.07        1.7388    3   4   1         8
                53.21          1.05        1.7215    1   5   1         8
                54.10          1.28        1.6951    5   1   1         8
                55.70         11.69        1.6504    0   6   0         2
                55.98          1.09        1.6425    2   2   2         8
                56.63         15.13        1.6252    5   2   1         8
                56.99          1.70        1.6158    6   0   0         2
                57.82          3.84        1.5947    6   1   0         4
                59.14          3.19        1.5623    2   6   0         4
                60.08         19.30        1.5400    2   3   2         8
                60.15          7.55        1.5384    3   5   1         8
                60.70         17.48        1.5257    5   3   1         8
                62.25          4.25        1.4914    1   6   1         8
                62.86          2.20        1.4784    4   0   2         4
                64.17          1.78        1.4513    6   3   0         4
                65.55          4.26        1.4242    2   4   2         8
                65.94          6.38        1.4166    4   2   2         8
                66.14          2.37        1.4128    5   4   1         8
                68.63          4.12        1.3675    3   6   1         8
                69.18          2.30        1.3580    2   7   0         4
                69.69          9.45        1.3492    4   3   2         8
                72.06          2.13        1.3106    1   7   1         8
                72.25          5.20        1.3076    2   5   2         8
                72.84          1.04        1.2984    7   0   1         4
                73.57          4.59        1.2874    7   1   1         8
                75.73          6.09        1.2560    7   2   1         8
                76.01          1.69        1.2520    6   5   0         4
                77.17          6.77        1.2361    0   6   2         4
                77.35          2.45        1.2337    1   0   3         4
                78.27          1.11        1.2214    6   0   2         4
                78.98          2.55        1.2122    6   1   2         8
                80.12          2.00        1.1978    2   6   2         8
                81.83          1.09        1.1771    8   2   0         4
                83.23          1.34        1.1608    3   0   3         4
                83.69          1.67        1.1556    1   3   3         8
                84.60          1.32        1.1455    6   3   2         8
                88.75          2.51        1.1023    4   8   0         4
                89.20          1.98        1.0979    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.