Digenite
      Yamamoto K, Kashida S
      Journal of Solid State Chemistry 93 (1991) 202-211
      X-ray study of the average structures of Cu2Se and Cu1.8S in the
      room temperature and the high temperature phases
      Note: Sample: Cu1.8S (high), T = 393 K
      Locality: synthetic
      _database_code_amcsd 0019151

      CELL PARAMETERS:    5.5820   5.5820   5.5820   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    173.928
      Density (g/cm3):      5.689
      MAX. ABS. INTENSITY / VOLUME**2:      60.81782160    
      RIR:      3.481
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.68         28.41        3.2228    1   1   1         8
                32.07         51.77        2.7910    2   0   0         6
                45.99        100.00        1.9735    2   2   0        12
                54.52         15.15        1.6830    3   1   1        24
                57.16          1.29        1.6114    2   2   2         8
                67.07          4.96        1.3955    4   0   0         6
                74.03          1.80        1.2806    3   3   1        24
                85.16          6.81        1.1394    4   2   2        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.