Fluorite
      Speziale S, Duffy T S
      Physics and Chemistry of Minerals 29 (2002) 465-472
      Single-crystal elastic constants of fluorite (CaF2) to 9.3 GPa
      Sample: P = 3.31 GPa
      _database_code_amcsd 0008647

      CELL PARAMETERS:    5.3604   5.3604   5.3604   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    154.025
      Density (g/cm3):      3.366
      MAX. ABS. INTENSITY / VOLUME**2:      37.52414907    
      RIR:      3.629
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.85         93.51        3.0948    1   1   1         8
                48.01        100.00        1.8952    2   2   0        12
                56.98         28.78        1.6162    3   1   1        24
                70.24         10.70        1.3401    4   0   0         6
                77.64          8.71        1.2298    3   3   1        24
                89.59         17.36        1.0942    4   2   2        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.