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 = 120 K
      _database_code_amcsd 0010047

      CELL PARAMETERS:    6.1054   6.1054   6.1054   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    227.584
      Density (g/cm3):      8.351
      MAX. ABS. INTENSITY / VOLUME**2:      524.6236182    
      RIR:     20.457
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.27         35.90        3.5250    1   1   1         8
                29.26        100.00        3.0527    2   0   0         6
                41.85         74.72        2.1586    2   2   0        12
                49.52         18.16        1.8408    3   1   1        24
                51.88         26.13        1.7625    2   2   2         8
                60.67         11.98        1.5264    4   0   0         6
                66.79          7.26        1.4007    3   3   1        24
                68.76         32.31        1.3652    4   2   0        24
                76.43         23.52        1.2463    4   2   2        24
                82.01          4.05        1.1750    5   1   1        24
                82.01          1.35        1.1750    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.