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 = 793 C
      _database_code_amcsd 0008596

      CELL PARAMETERS:    5.1251   5.1251  14.0236   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    319.006
      Density (g/cm3):      4.825
      MAX. ABS. INTENSITY / VOLUME**2:      49.80622207    
      RIR:      3.361
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.72         19.95        3.7503    0   1   2         6
                32.55        100.00        2.7512    1   0   4         6
                35.02         78.77        2.5626    1   1   0         6
                38.52          3.46        2.3373    0   0   6         2
                40.13          1.13        2.2471    2  -1   3         6
                40.13          3.59        2.2471    1   1   3         6
                42.74          1.71        2.1158    2   0   2         6
                48.55         29.91        1.8751    0   2   4         6
                53.03         10.95        1.7269    2  -1   6         6
                53.03         10.31        1.7269    1   1   6         6
                56.44          8.45        1.6304    0   1   8         6
                61.25         11.84        1.5133    3  -1   4         6
                61.25         11.45        1.5133    2   1   4         6
                62.81         14.33        1.4795    3   0   0         6
                68.17          3.68        1.3756    2   0   8         6
                70.41          6.04        1.3372    1   0  10         6
                73.98          6.21        1.2813    2   2   0         6
                76.15          1.84        1.2501    0   3   6         6
                76.15          1.84        1.2501    3   0   6         6
                79.00          2.07        1.2120    1   2   8         6
                79.00          2.09        1.2120   -1   3   8         6
                81.13          3.37        1.1855    0   2  10         6
                83.17          3.30        1.1615   -1   4   4         6
                83.17          3.35        1.1615    1   3   4         6
                86.65          1.29        1.1235    4  -2   6         6
                86.65          1.31        1.1235    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.