Hexaferrum
      Dubrovinsky L S, Lazor P, Saxena S K, Haggkvist P, Weber H P,
      Le Bihan T, Hausermann D
      Physics and Chemistry of Minerals 26 (1999) 539-545
      Study of laser heated iron using third generation synchrotron
      X-ray radiation facility with imaging plate at high pressures
      Sample epsilon iron phase: P = 61 GPa, T = 1550 K
      _database_code_amcsd 0008239

      CELL PARAMETERS:    2.3460   2.3460   3.8080   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     18.150
      Density (g/cm3):     10.217
      MAX. ABS. INTENSITY / VOLUME**2:      248.7637889    
      RIR:      7.928
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                44.60         26.02        2.0317    1   0   0         6
                47.77         27.65        1.9040    0   0   2         2
                50.94        100.00        1.7925    1   0   1        12
                67.41         12.22        1.3893    1   0   2        12
                82.18          4.11        1.1730    1   1   0         6
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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.