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 = 921 C
      _database_code_amcsd 0008574

      CELL PARAMETERS:    5.1271   5.1271  14.0198   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    319.166
      Density (g/cm3):      4.835
      MAX. ABS. INTENSITY / VOLUME**2:      46.33486990    
      RIR:      3.121
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.72         25.57        3.7510    0   1   2         6
                32.55        100.00        2.7511    1   0   4         6
                35.00         67.26        2.5635    1   1   0         6
                40.12         19.08        2.2476    1   1   3        12
                42.72          1.29        2.1165    2   0   2         6
                48.54         33.83        1.8755    0   2   4         6
                53.03         34.72        1.7269    1   1   6        12
                56.37          1.52        1.6321    1   2   2        12
                56.45          8.58        1.6301    0   1   8         6
                61.24         24.68        1.5137    2   1   4        12
                62.78         23.32        1.4801    3   0   0         6
                68.17          2.77        1.3756    2   0   8         6
                70.43          7.08        1.3369    1   0  10         6
                70.77          1.44        1.3312    1   1   9        12
                73.95          4.55        1.2818    2   2   0         6
                78.99          3.41        1.2121    1   2   8        12
                81.13          3.18        1.1854    0   2  10         6
                83.14          5.42        1.1619    1   3   4        12
                86.63          4.26        1.1238    2   2   6        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.