Silver
      Owen E A, Yates E L
      Philosophical Magazine 15 (1933) 472-488
      Precision measurements of crystal parameters
      Locality: synthetic
      Sample: at T = 18 C
      Note: lattice parameter is mean value of 5 radiation types
      _database_code_amcsd 0014951

      CELL PARAMETERS:    4.0772   4.0772   4.0772   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     67.778
      Density (g/cm3):     10.570
      MAX. ABS. INTENSITY / VOLUME**2:      568.5454338    
      RIR:     17.515
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                38.23        100.00        2.3540    1   1   1         8
                44.44         46.75        2.0386    2   0   0         6
                64.66         25.57        1.4415    2   2   0        12
                77.67         27.14        1.2293    3   1   1        24
                81.84          7.68        1.1770    2   2   2         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.