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 = 398 C
      _database_code_amcsd 0008582

      CELL PARAMETERS:    5.0939   5.0939  13.9672   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    313.866
      Density (g/cm3):      4.904
      MAX. ABS. INTENSITY / VOLUME**2:      50.15257504    
      RIR:      3.330
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.86         22.90        3.7297    0   1   2         6
                32.71        100.00        2.7379    1   0   4         6
                35.24         66.14        2.5470    1   1   0         6
                40.37          5.79        2.2345    2  -1   3         6
                40.37         14.13        2.2345    1   1   3         6
                43.00          1.07        2.1033    2   0   2         6
                48.84         35.43        1.8648    0   2   4         6
                53.31         18.86        1.7183    2  -1   6         6
                53.31         15.48        1.7183    1   1   6         6
                56.70         10.07        1.6234    0   1   8         6
                56.76          1.04        1.6218   -1   3   2         6
                61.64         12.39        1.5046    2   1   4         6
                61.64         14.98        1.5046    3  -1   4         6
                63.24         25.48        1.4705    3   0   0         6
                68.55          3.38        1.3690    2   0   8         6
                70.75          7.56        1.3316    1   0  10         6
                71.14          1.62        1.3253    2  -1   9         6
                74.51          5.37        1.2735    2   2   0         6
                79.48          2.40        1.2058   -1   3   8         6
                79.48          2.12        1.2058    1   2   8         6
                81.58          3.64        1.1800    0   2  10         6
                83.77          2.95        1.1547   -1   4   4         6
                83.77          3.92        1.1547    1   3   4         6
                87.26          2.28        1.1172    4  -2   6         6
                87.26          2.67        1.1172    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.