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 = 697 C
      _database_code_amcsd 0008567

      CELL PARAMETERS:    5.1115   5.1115  13.9938   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    316.632
      Density (g/cm3):      4.873
      MAX. ABS. INTENSITY / VOLUME**2:      48.46402485    
      RIR:      3.238
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.79         24.28        3.7409    0   1   2         6
                32.62        100.00        2.7447    1   0   4         6
                35.11         66.90        2.5557    1   1   0         6
                40.24          6.53        2.2414    2  -1   3         6
                40.24         12.78        2.2414    1   1   3         6
                42.85          1.24        2.1103    2   0   2         6
                48.68         34.40        1.8704    0   2   4         6
                53.17         18.68        1.7228    2  -1   6         6
                53.17         16.11        1.7228    1   1   6         6
                56.57          9.13        1.6268    0   1   8         6
                61.43         12.07        1.5094    2   1   4         6
                61.43         13.82        1.5094    3  -1   4         6
                63.00         24.28        1.4755    3   0   0         6
                68.35          3.04        1.3724    2   0   8         6
                70.59          7.39        1.3343    1   0  10         6
                70.95          1.18        1.3283    2  -1   9         6
                74.21          4.98        1.2779    2   2   0         6
                79.23          2.03        1.2091   -1   3   8         6
                79.23          1.86        1.2091    1   2   8         6
                81.35          3.47        1.1828    0   2  10         6
                83.44          2.77        1.1585   -1   4   4         6
                83.44          3.38        1.1585    1   3   4         6
                86.93          2.45        1.1207    2   2   6         6
                86.93          2.17        1.1207    4  -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.