Cobalt
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Hexagonal closest packed, hcp, structure
      _database_code_amcsd 0011169

      CELL PARAMETERS:    2.5071   2.5071   4.0686   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     22.147
      Density (g/cm3):      8.836
      MAX. ABS. INTENSITY / VOLUME**2:      236.7342102    
      RIR:      8.724
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                41.59         25.50        2.1712    1   0   0         6
                44.54         27.36        2.0343    0   0   2         2
                47.46        100.00        1.9155    1   0   1        12
                62.57         12.70        1.4845    1   0   2        12
                75.90          4.24        1.2536    1   1   0         6
                84.17         13.65        1.1502    1   0   3        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.