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 = 200 C
      Locality: synthetic
      _database_code_amcsd 0006937

      CELL PARAMETERS:    5.5890   5.5890   5.5890   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    174.583
      Density (g/cm3):      5.566
      MAX. ABS. INTENSITY / VOLUME**2:      31.12124822    
      RIR:      1.821
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.64         49.11        3.2268    1   1   1         8
                32.03         55.04        2.7945    2   0   0         6
                45.93        100.00        1.9760    2   2   0        12
                54.45         22.04        1.6851    3   1   1        24
                66.97          5.89        1.3973    4   0   0         6
                73.92          2.03        1.2822    3   3   1        24
                85.02          6.07        1.1408    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.