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 = 795 C
      _database_code_amcsd 0008576

      CELL PARAMETERS:    5.1188   5.1188  14.0020   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    317.729
      Density (g/cm3):      4.857
      MAX. ABS. INTENSITY / VOLUME**2:      46.28757324    
      RIR:      3.103
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.76         25.27        3.7453    0   1   2         6
                32.59        100.00        2.7473    1   0   4         6
                35.06         66.96        2.5594    1   1   0         6
                40.18          7.44        2.2441    2  -1   3         6
                40.18         11.49        2.2441    1   1   3         6
                42.79          1.26        2.1131    2   0   2         6
                48.62         33.18        1.8727    0   2   4         6
                53.11         17.75        1.7244    2  -1   6         6
                53.11         15.89        1.7244    1   1   6         6
                56.53          8.42        1.6280    0   1   8         6
                61.34         11.37        1.5113    2   1   4         6
                61.34         12.58        1.5113    3  -1   4         6
                62.89         22.51        1.4777    3   0   0         6
                68.28          2.69        1.3736    2   0   8         6
                70.53          6.71        1.3352    1   0  10         6
                70.89          1.04        1.3294    2  -1   9         6
                74.09          4.39        1.2797    2   2   0         6
                79.13          1.70        1.2103   -1   3   8         6
                79.13          1.59        1.2103    1   2   8         6
                81.27          3.01        1.1838    0   2  10         6
                83.30          2.41        1.1600   -1   4   4         6
                83.30          2.79        1.1600    1   3   4         6
                86.79          1.89        1.1221    4  -2   6         6
                86.79          2.07        1.1221    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.