Berzelianite
      Borchert W
      Zeitschrift fur Kristallographie 106 (1945) 5-24
      Gitterumwandlungen im system Cu2-x Se
      _database_code_amcsd 0010573

      CELL PARAMETERS:    5.8400   5.8400   5.8400   90.000   90.000   90.000
      SPACE GROUP: F-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    199.177
      Density (g/cm3):      6.870
      MAX. ABS. INTENSITY / VOLUME**2:      252.3983042    
      RIR:     11.962
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.43         29.03        3.3717    1   1   1         4
                30.62         19.06        2.9200    2   0   0         6
                43.85        100.00        2.0648    2   2   0        12
                51.93         11.83        1.7608    3   1   1        12
                54.42          4.54        1.6859    2   2   2         4
                63.74         14.31        1.4600    4   0   0         6
                70.26          4.12        1.3398    3   3   1        12
                72.36          5.40        1.3059    4   2   0        24
                80.59         26.05        1.1921    4   2   2        12
                86.62          2.12        1.1239    5   1   1        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.