Hematite
      Pailhe N, Wattiaux A, Gaudon M, Demourgues A
      Journal of Solid State Chemistry 181 (2008) 2697-2704
      Impact of structural features on pigment properties of alpha-Fe2O3 haematite
      Note: annealed at 800 C
      Locality: synthetic
      _database_code_amcsd 0021160

      CELL PARAMETERS:    5.0359   5.0359  13.7444   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    301.868
      Density (g/cm3):      5.270
      MAX. ABS. INTENSITY / VOLUME**2:      59.69506168    
      RIR:      3.688
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.17         28.08        3.6823    0   1   2         6
                33.19        100.00        2.6990    1   0   4         6
                35.66         74.02        2.5180    1   1   0         6
                39.33          2.17        2.2907    0   0   6         2
                40.90         17.37        2.2067    1   1   3        12
                43.54          2.05        2.0785    2   0   2         6
                49.51         37.28        1.8412    0   2   4         6
                54.13         44.94        1.6944    1   1   6        12
                57.49          2.43        1.6029    1   2   2        12
                57.67          8.48        1.5985    0   1   8         6
                62.49         30.95        1.4862    2   1   4        12
                64.05         29.50        1.4538    3   0   0         6
                69.68          3.16        1.3495    2   0   8         6
                72.04         11.01        1.3109    1   0  10         6
                72.37          1.58        1.3058    1   1   9        12
                75.52          7.29        1.2590    2   2   0         6
                77.82          1.42        1.2274    0   3   6         6
                77.82          1.42        1.2274    3   0   6         6
                80.65          1.56        1.1913    3   1   2        12
                80.80          4.40        1.1895    1   2   8        12
                83.06          5.90        1.1627    0   2  10         6
                85.01          9.15        1.1410    1   3   4        12
                88.65          8.08        1.1033    2   2   6        12
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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.