Ilmenite
      Harrison R J, Redfern S A T
      Physics and Chemistry of Minerals 28 (2001) 399-412
      Short- and long-range ordering in the ilmenite-hematite solid solution
      Sample: ilm60, T = 203 C
      _database_code_amcsd 0008579

      CELL PARAMETERS:    5.0820   5.0820  13.9390   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    311.774
      Density (g/cm3):      4.949
      MAX. ABS. INTENSITY / VOLUME**2:      50.59027187    
      RIR:      3.328
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.91         24.59        3.7213    0   1   2         6
                32.78        100.00        2.7321    1   0   4         6
                35.32         67.55        2.5410    1   1   0         6
                38.76          1.01        2.3232    0   0   6         2
                40.46          5.68        2.2294    2  -1   3         6
                40.46         14.08        2.2294    1   1   3         6
                43.11          1.30        2.0985    2   0   2         6
                48.95         35.43        1.8606    0   2   4         6
                53.44         20.03        1.7146    2  -1   6         6
                53.44         16.89        1.7146    1   1   6         6
                56.83          9.43        1.6200    0   1   8         6
                56.91          1.13        1.6180   -1   3   2         6
                61.80         12.62        1.5012    2   1   4         6
                61.80         14.95        1.5012    3  -1   4         6
                63.40         25.89        1.4671    3   0   0         6
                68.71          3.20        1.3660    2   0   8         6
                70.92          8.24        1.3288    1   0  10         6
                71.31          1.42        1.3225    2  -1   9         6
                74.71          5.61        1.2705    2   2   0         6
                79.69          2.28        1.2032   -1   3   8         6
                79.69          2.03        1.2032    1   2   8         6
                81.79          4.05        1.1775    0   2  10         6
                84.01          3.98        1.1520    1   3   4         6
                84.01          3.10        1.1520   -1   4   4         6
                87.51          2.53        1.1147    4  -2   6         6
                87.51          2.90        1.1147    2   2   6         6
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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.