Schapbachite
      Geller S, Wernick J H
      Acta Crystallographica 12 (1959) 46-54
      Ternary semiconducting compounds with sodium chloride-like structure: AgSbSe2,
      AgSbTe2, AgBiS2, AgBiSe2
      Locality: synthetic
      Sample: quenched from T = 243 C
      _database_code_amcsd 0009221

      CELL PARAMETERS:    5.6930   5.6930   5.6930   90.000   90.000   90.000
      SPACE GROUP: Fm-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    184.512
      Density (g/cm3):      6.856
      MAX. ABS. INTENSITY / VOLUME**2:      292.5381619    
      RIR:     13.893
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.13         82.02        3.2869    1   1   1         8
                31.43        100.00        2.8465    2   0   0         6
                45.04         67.31        2.0128    2   2   0        12
                53.37         34.43        1.7165    3   1   1        24
                55.95         21.63        1.6434    2   2   2         8
                65.59          9.27        1.4232    4   0   0         6
                72.35         11.82        1.3061    3   3   1        24
                74.54         23.82        1.2730    4   2   0        24
                83.12         16.84        1.1621    4   2   2        24
                89.44          2.01        1.0956    3   3   3         8
                89.44          6.03        1.0956    5   1   1        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.