Clausthalite
      Noda Y, Masumoto K, Ohba S, Saito Y, Toriumi K, Iwata Y, Shibuya I
      Acta Crystallographica C43 (1987) 1443-1445
      Temperature dependence of atomic thermal parameters of lead chalcogenides, PbS,
      PbSe and PbTe
      Locality: synthetic
      Sample: T = 298 K
      _database_code_amcsd 0010048

      CELL PARAMETERS:    6.1213   6.1213   6.1213   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    229.367
      Density (g/cm3):      8.286
      MAX. ABS. INTENSITY / VOLUME**2:      500.1979298    
      RIR:     19.657
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.20         35.94        3.5341    1   1   1         8
                29.18        100.00        3.0607    2   0   0         6
                41.74         71.93        2.1642    2   2   0        12
                49.38         16.51        1.8456    3   1   1        24
                51.73         24.21        1.7671    2   2   2         8
                60.50         10.68        1.5303    4   0   0         6
                66.59          5.99        1.4043    3   3   1        24
                68.56         27.70        1.3688    4   2   0        24
                76.19         19.38        1.2495    4   2   2        24
                81.75          3.03        1.1780    5   1   1        24
                81.75          1.01        1.1780    3   3   3         8
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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.