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: ilm65, T = 794 C
      _database_code_amcsd 0008587

      CELL PARAMETERS:    5.1233   5.1233  14.0202   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    318.698
      Density (g/cm3):      4.829
      MAX. ABS. INTENSITY / VOLUME**2:      47.61335271    
      RIR:      3.210
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.73         23.07        3.7491    0   1   2         6
                32.56        100.00        2.7504    1   0   4         6
                35.03         65.88        2.5616    1   1   0         6
                40.14          6.20        2.2463    2  -1   3         6
                40.14         13.04        2.2463    1   1   3         6
                42.75          1.09        2.1151    2   0   2         6
                48.57         33.98        1.8745    0   2   4         6
                53.05         17.53        1.7264    2  -1   6         6
                53.05         14.96        1.7264    1   1   6         6
                56.45          9.38        1.6300    0   1   8         6
                61.28         11.63        1.5128    2   1   4         6
                61.28         13.59        1.5128    3  -1   4         6
                62.83         23.35        1.4790    3   0   0         6
                68.19          3.09        1.3752    2   0   8         6
                70.43          6.77        1.3369    1   0  10         6
                70.79          1.21        1.3310    2  -1   9         6
                74.01          4.72        1.2808    2   2   0         6
                79.03          2.06        1.2116   -1   3   8         6
                79.03          1.85        1.2116    1   2   8         6
                81.15          3.13        1.1852    0   2  10         6
                83.21          2.58        1.1611   -1   4   4         6
                83.21          3.25        1.1611    1   3   4         6
                86.69          1.93        1.1232    4  -2   6         6
                86.69          2.19        1.1232    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.