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 600 C
      Locality: synthetic
      _database_code_amcsd 0021159

      CELL PARAMETERS:    5.0351   5.0351  13.7505   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    301.897
      Density (g/cm3):      5.247
      MAX. ABS. INTENSITY / VOLUME**2:      58.78741957    
      RIR:      3.648
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.17         28.48        3.6823    0   1   2         6
                33.19        100.00        2.6996    1   0   4         6
                35.66         74.01        2.5175    1   1   0         6
                39.31          2.18        2.2918    0   0   6         2
                40.90         17.62        2.2066    1   1   3        12
                43.55          2.06        2.0783    2   0   2         6
                49.51         37.38        1.8412    0   2   4         6
                54.12         45.45        1.6947    1   1   6        12
                57.50          2.45        1.6027    1   2   2        12
                57.65          8.43        1.5991    0   1   8         6
                62.50         31.00        1.4861    2   1   4        12
                64.06         29.63        1.4535    3   0   0         6
                69.66          3.12        1.3498    2   0   8         6
                72.01         11.11        1.3114    1   0  10         6
                72.35          1.61        1.3061    1   1   9        12
                75.53          7.30        1.2588    2   2   0         6
                77.82          1.43        1.2274    0   3   6         6
                77.82          1.43        1.2274    3   0   6         6
                80.67          1.58        1.1911    3   1   2        12
                80.79          4.35        1.1896    1   2   8        12
                83.03          5.93        1.1631    0   2  10         6
                85.02          9.13        1.1408    1   3   4        12
                88.65          8.16        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.