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 = 298 C
      _database_code_amcsd 0008560

      CELL PARAMETERS:    5.0845   5.0845  13.9353   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    311.992
      Density (g/cm3):      4.946
      MAX. ABS. INTENSITY / VOLUME**2:      49.74321180    
      RIR:      3.275
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.91         27.37        3.7223    0   1   2         6
                32.78        100.00        2.7321    1   0   4         6
                35.30         69.19        2.5422    1   1   0         6
                38.77          1.33        2.3226    0   0   6         2
                40.45          8.05        2.2301    2  -1   3         6
                40.45         11.99        2.2301    1   1   3         6
                43.09          1.57        2.0993    2   0   2         6
                48.94         36.15        1.8611    0   2   4         6
                53.43         21.98        1.7147    2  -1   6         6
                53.43         19.63        1.7147    1   1   6         6
                56.84          8.78        1.6198    0   1   8         6
                56.88          1.28        1.6188   -1   3   2         6
                61.77         13.13        1.5017    2   1   4         6
                61.77         15.24        1.5017    3  -1   4         6
                63.37         27.59        1.4678    3   0   0         6
                68.71          2.95        1.3661    2   0   8         6
                70.94          9.33        1.3286    1   0  10         6
                71.32          1.08        1.3224    2  -1   9         6
                74.67          5.89        1.2711    2   2   0         6
                79.68          2.15        1.2033   -1   3   8         6
                79.68          1.88        1.2033    1   2   8         6
                81.80          4.61        1.1775    0   2  10         6
                83.97          3.26        1.1525   -1   4   4         6
                83.97          4.10        1.1525    1   3   4         6
                87.48          3.35        1.1151    2   2   6         6
                87.48          3.06        1.1151    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.