Hematite
      Finger L W, Hazen R M
      Journal of Applied Physics 51 (1980) 5362-5367
      Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars
      Locality: synthetic
      Note: P = 43.9 kbar
      _database_code_amcsd 0017735

      CELL PARAMETERS:    5.0066   5.0066  13.6411   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    296.119
      Density (g/cm3):      5.372
      MAX. ABS. INTENSITY / VOLUME**2:      60.51332154    
      RIR:      3.668
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.33         29.07        3.6591    0   1   2         6
                33.43        100.00        2.6805    1   0   4         6
                35.87         74.93        2.5033    1   1   0         6
                39.64          2.09        2.2735    0   0   6         2
                41.16         17.59        2.1929    1   1   3        12
                43.82          1.89        2.0661    2   0   2         6
                49.84         38.27        1.8295    0   2   4         6
                54.52         45.08        1.6830    1   1   6        12
                57.87          2.34        1.5934    1   2   2        12
                58.13          8.81        1.5868    0   1   8         6
                62.92         31.71        1.4771    2   1   4        12
                64.47         29.90        1.4453    3   0   0         6
                70.23          3.18        1.3402    2   0   8         6
                72.66         11.17        1.3012    1   0  10         6
                72.97          1.66        1.2965    1   1   9        12
                76.04          2.47        1.2516    2   2   0         6
                78.40          1.40        1.2197    0   3   6         6
                78.40          1.40        1.2197    3   0   6         6
                81.45          4.50        1.1816    1   2   8        12
                83.78          5.90        1.1546    0   2  10         6
                85.65          3.07        1.1341    1   3   4        12
                89.35          2.76        1.0965    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.