Digenite
      Will G, Hinze E, Abdelrahman A R M
      European Journal of Mineralogy 14 (2002) 591-598
      Crystal structure analysis and refinement of digenite, Cu1.8S, in the
      temperature range 20 to 500 C under controlled sulfur partial pressure
      Sample: T = 500 C, sometimes called high-digenite
      Locality: synthetic
      _database_code_amcsd 0006940

      CELL PARAMETERS:    5.6390   5.6390   5.6390   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    179.311
      Density (g/cm3):      5.888
      MAX. ABS. INTENSITY / VOLUME**2:      18.27102368    
      RIR:      1.010
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.39         33.08        3.2557    1   1   1         8
                31.74         29.64        2.8195    2   0   0         6
                45.50        100.00        1.9937    2   2   0        12
                53.93         25.80        1.7002    3   1   1        24
                56.53          1.32        1.6278    2   2   2         8
                66.30          3.47        1.4097    4   0   0         6
                75.38          2.72        1.2609    4   2   0        24
                84.10          5.03        1.1511    4   2   2        24
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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.