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 = 868 C
      _database_code_amcsd 0008590

      CELL PARAMETERS:    5.1294   5.1294  14.0271   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    319.618
      Density (g/cm3):      4.816
      MAX. ABS. INTENSITY / VOLUME**2:      46.77470356    
      RIR:      3.163
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.71         23.86        3.7528    0   1   2         6
                32.53        100.00        2.7525    1   0   4         6
                34.99         66.25        2.5647    1   1   0         6
                40.10          7.10        2.2486    2  -1   3         6
                40.10         12.13        2.2486    1   1   3         6
                42.70          1.14        2.1175    2   0   2         6
                48.52         33.92        1.8764    0   2   4         6
                53.00         17.51        1.7278    2  -1   6         6
                53.00         15.54        1.7278    1   1   6         6
                56.42          9.12        1.6309    0   1   8         6
                61.20         13.30        1.5144    3  -1   4         6
                61.20         11.65        1.5144    2   1   4         6
                62.75         23.30        1.4807    3   0   0         6
                68.13          2.97        1.3762    2   0   8         6
                70.39          6.79        1.3376    1   0  10         6
                70.73          1.19        1.3319    2  -1   9         6
                73.91          4.62        1.2823    2   2   0         6
                78.95          1.76        1.2127    1   2   8         6
                78.95          1.95        1.2127   -1   3   8         6
                81.09          3.08        1.1860    0   2  10         6
                83.09          2.53        1.1624   -1   4   4         6
                83.09          3.09        1.1624    1   3   4         6
                86.58          1.95        1.1243    4  -2   6         6
                86.58          2.15        1.1243    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.