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 = 300 K
      _database_code_amcsd 0008238

      CELL PARAMETERS:    2.3470   2.3470   3.7970   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     18.113
      Density (g/cm3):     10.238
      MAX. ABS. INTENSITY / VOLUME**2:      249.4944605    
      RIR:      7.935
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                44.58         26.09        2.0326    1   0   0         6
                47.92         27.40        1.8985    0   0   2         2
                50.96        100.00        1.7920    1   0   1        12
                67.51         12.16        1.3874    1   0   2        12
                82.13          4.12        1.1735    1   1   0         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.