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 = 647 C
      _database_code_amcsd 0008566

      CELL PARAMETERS:    5.1078   5.1078  13.9886   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    316.059
      Density (g/cm3):      4.882
      MAX. ABS. INTENSITY / VOLUME**2:      48.90321772    
      RIR:      3.261
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.80         24.13        3.7385    0   1   2         6
                32.64        100.00        2.7434    1   0   4         6
                35.14         66.89        2.5539    1   1   0         6
                40.26          6.25        2.2399    2  -1   3         6
                40.26         13.19        2.2399    1   1   3         6
                42.89          1.22        2.1088    2   0   2         6
                48.71         34.65        1.8693    0   2   4         6
                53.20         18.95        1.7219    2  -1   6         6
                53.20         15.93        1.7219    1   1   6         6
                56.60          9.30        1.6261    0   1   8         6
                61.47         12.18        1.5084    2   1   4         6
                61.47         14.08        1.5084    3  -1   4         6
                63.05         24.59        1.4745    3   0   0         6
                68.39          3.10        1.3717    2   0   8         6
                70.62          7.48        1.3338    1   0  10         6
                70.99          1.26        1.3277    2  -1   9         6
                74.27          5.09        1.2769    2   2   0         6
                79.28          2.09        1.2084   -1   3   8         6
                79.28          1.93        1.2084    1   2   8         6
                81.40          3.54        1.1822    0   2  10         6
                83.51          2.83        1.1577   -1   4   4         6
                83.51          3.49        1.1577    1   3   4         6
                87.00          2.20        1.1200    4  -2   6         6
                87.00          2.53        1.1200    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.