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 P600, x(Ti) in M1 = .070, P = 7.51 GPa
      _database_code_amcsd 0002079

      CELL PARAMETERS:    9.5754   9.8352   3.7029   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    348.724
      Density (g/cm3):      3.810
      MAX. ABS. INTENSITY / VOLUME**2:      23.94742845    
      RIR:      2.047
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.04         31.56        4.9176    0   2   0         2
                18.53         24.34        4.7877    2   0   0         2
                20.63         11.41        4.3047    2   1   0         4
                25.80        100.00        3.4537    1   0   1         4
                25.97          3.19        3.4304    2   2   0         4
                31.66          7.45        2.8263    1   2   1         8
                33.12         64.34        2.7050    2   3   0         4
                37.19         12.54        2.4176    3   0   1         4
                37.57          7.52        2.3939    4   0   0         2
                37.84         12.47        2.3777    1   3   1         8
                38.71          2.07        2.3259    4   1   0         4
                41.28         10.84        2.1872    2   4   0         4
                41.98         16.98        2.1524    4   2   0         4
                45.27          2.32        2.0030    1   4   1         8
                46.68          6.45        1.9458    3   3   1         8
                47.00         14.69        1.9333    4   3   0         4
                49.21         31.53        1.8514    0   0   2         2
                50.14         14.15        1.8195    2   5   0         4
                52.84          2.52        1.7327    0   2   2         4
                53.03          2.21        1.7268    2   0   2         4
                53.13          4.27        1.7239    3   4   1         8
                53.62          1.75        1.7092    1   5   1         8
                53.90          1.07        1.7010    5   0   1         4
                53.91          1.22        1.7008    2   1   2         8
                54.77          2.70        1.6762    5   1   1         8
                56.11         11.38        1.6392    0   6   0         2
                57.31         14.79        1.6076    5   2   1         8
                57.77          1.29        1.5959    6   0   0         2
                58.60          3.20        1.5753    6   1   0         4
                59.62          1.98        1.5508    2   6   0         4
                60.61         18.19        1.5278    2   3   2         8
                60.70          7.48        1.5258    3   5   1         8
                61.40         15.23        1.5099    5   3   1         8
                62.74          5.67        1.4809    1   6   1         8
                63.52          2.89        1.4645    4   0   2         4
                64.99          3.53        1.4349    6   3   0         4
                66.12          3.54        1.4131    2   4   2         8
                66.63          6.66        1.4036    4   2   2         8
                66.88          1.81        1.3989    5   4   1         8
                69.25          4.65        1.3567    3   6   1         8
                69.50          1.47        1.3525    4   6   0         4
                69.76          1.40        1.3482    2   7   0         4
                70.41          6.33        1.3372    4   3   2         8
                72.89          6.90        1.2977    2   5   2         8
                73.62          1.06        1.2867    5   5   1         8
                74.59          3.09        1.2724    7   1   1         8
                76.77          6.02        1.2416    7   2   1         8
                76.93          1.40        1.2393    6   5   0         4
                77.83          6.78        1.2273    0   6   2         4
                78.06          2.52        1.2242    1   0   3         4
                79.96          2.20        1.1998    6   1   2         8
                80.36          1.56        1.1949    7   3   1         8
                80.85          1.29        1.1889    2   6   2         8
                83.04          1.01        1.1630    8   2   0         4
                84.08          1.19        1.1512    3   0   3         4
                84.48          1.50        1.1468    1   3   3         8
                85.64          2.75        1.1342    6   3   2         8
                89.65          2.88        1.0936    4   8   0         4
                89.80          1.42        1.0921    4   6   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.