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 = 31.4 kbar
      _database_code_amcsd 0017733

      CELL PARAMETERS:    5.0143   5.0143  13.6733   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    297.731
      Density (g/cm3):      5.343
      MAX. ABS. INTENSITY / VOLUME**2:      58.88048539    
      RIR:      3.588
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.28         29.74        3.6656    0   1   2         6
                33.36        100.00        2.6860    1   0   4         6
                35.82         74.47        2.5071    1   1   0         6
                39.55          2.10        2.2789    0   0   6         2
                41.09         18.07        2.1967    1   1   3        12
                43.74          1.95        2.0694    2   0   2         6
                49.75         37.43        1.8328    0   2   4         6
                54.41         45.25        1.6864    1   1   6        12
                57.77          2.34        1.5960    1   2   2        12
                57.99          8.30        1.5904    0   1   8         6
                62.80         30.39        1.4796    2   1   4        12
                64.36         29.26        1.4475    3   0   0         6
                70.06          2.90        1.3430    2   0   8         6
                72.47         10.72        1.3042    1   0  10         6
                72.79          1.71        1.2993    1   1   9        12
                75.90          2.29        1.2536    2   2   0         6
                78.24          1.26        1.2219    0   3   6         6
                78.24          1.26        1.2219    3   0   6         6
                81.26          4.04        1.1838    1   2   8        12
                83.56          5.52        1.1570    0   2  10         6
                85.48          2.81        1.1359    1   3   4        12
                89.16          2.62        1.0984    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.