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 = 549 C
      _database_code_amcsd 0008564

      CELL PARAMETERS:    5.1004   5.1004  13.9775   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    314.900
      Density (g/cm3):      4.900
      MAX. ABS. INTENSITY / VOLUME**2:      49.26427491    
      RIR:      3.273
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.83         24.29        3.7338    0   1   2         6
                32.68        100.00        2.7405    1   0   4         6
                35.19         66.92        2.5502    1   1   0         6
                40.32          6.33        2.2370    2  -1   3         6
                40.32         13.28        2.2370    1   1   3         6
                42.95          1.20        2.1059    2   0   2         6
                48.78         34.93        1.8669    0   2   4         6
                53.26         19.25        1.7200    2  -1   6         6
                53.26         16.07        1.7200    1   1   6         6
                56.65          9.41        1.6247    0   1   8         6
                56.69          1.00        1.6238   -1   3   2         6
                61.56         12.28        1.5064    2   1   4         6
                61.56         14.31        1.5064    3  -1   4         6
                63.15         24.96        1.4724    3   0   0         6
                68.47          3.12        1.3703    2   0   8         6
                70.69          7.63        1.3326    1   0  10         6
                71.07          1.31        1.3264    2  -1   9         6
                74.40          5.16        1.2751    2   2   0         6
                79.39          2.13        1.2070   -1   3   8         6
                79.39          1.95        1.2070    1   2   8         6
                81.49          3.62        1.1811    0   2  10         6
                83.65          2.86        1.1561   -1   4   4         6
                83.65          3.58        1.1561    1   3   4         6
                87.14          2.26        1.1185    4  -2   6         6
                87.14          2.62        1.1185    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.