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 = 392 C
      _database_code_amcsd 0008578

      CELL PARAMETERS:    5.0941   5.0941  13.9592   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    313.705
      Density (g/cm3):      4.919
      MAX. ABS. INTENSITY / VOLUME**2:      49.60851679    
      RIR:      3.284
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.86         24.14        3.7291    0   1   2         6
                32.72        100.00        2.7370    1   0   4         6
                35.24         67.05        2.5470    1   1   0         6
                40.37          5.70        2.2342    2  -1   3         6
                40.37         13.88        2.2342    1   1   3         6
                43.00          1.22        2.1033    2   0   2         6
                48.84         34.81        1.8646    0   2   4         6
                53.33         19.05        1.7178    2  -1   6         6
                53.33         16.13        1.7178    1   1   6         6
                56.73          9.35        1.6226    0   1   8         6
                56.76          1.05        1.6218   -1   3   2         6
                61.65         12.19        1.5045    2   1   4         6
                61.65         14.36        1.5045    3  -1   4         6
                63.23         24.80        1.4705    3   0   0         6
                68.57          3.13        1.3685    2   0   8         6
                70.80          7.62        1.3309    1   0  10         6
                71.17          1.37        1.3247    2  -1   9         6
                74.51          5.23        1.2735    2   2   0         6
                79.51          2.17        1.2055   -1   3   8         6
                79.51          1.94        1.2055    1   2   8         6
                81.62          3.65        1.1796    0   2  10         6
                83.77          2.87        1.1546   -1   4   4         6
                83.77          3.65        1.1546    1   3   4         6
                87.28          2.27        1.1171    4  -2   6         6
                87.28          2.59        1.1171    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.