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 = 843 C
      _database_code_amcsd 0008589

      CELL PARAMETERS:    5.1273   5.1273  14.0255   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    319.323
      Density (g/cm3):      4.820
      MAX. ABS. INTENSITY / VOLUME**2:      47.29817954    
      RIR:      3.195
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.72         22.90        3.7516    0   1   2         6
                32.54        100.00        2.7519    1   0   4         6
                35.00         65.73        2.5637    1   1   0         6
                40.11          6.61        2.2479    2  -1   3         6
                40.11         12.51        2.2479    1   1   3         6
                42.72          1.07        2.1166    2   0   2         6
                48.53         33.85        1.8758    0   2   4         6
                53.01         17.07        1.7273    2  -1   6         6
                53.01         14.93        1.7273    1   1   6         6
                56.43          9.37        1.6307    0   1   8         6
                61.23         13.36        1.5138    3  -1   4         6
                61.23         11.60        1.5138    2   1   4         6
                62.78         23.10        1.4801    3   0   0         6
                68.15          3.08        1.3759    2   0   8         6
                70.40          6.60        1.3374    1   0  10         6
                70.75          1.23        1.3317    2  -1   9         6
                73.94          4.61        1.2818    2   2   0         6
                78.97          1.83        1.2124    1   2   8         6
                78.97          2.03        1.2124   -1   3   8         6
                81.11          3.01        1.1858    0   2  10         6
                83.13          2.54        1.1620   -1   4   4         6
                83.13          3.13        1.1620    1   3   4         6
                86.61          1.88        1.1239    4  -2   6         6
                86.61          2.10        1.1239    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.