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 = 3.96 GPa
      _database_code_amcsd 0008648

      CELL PARAMETERS:    5.3485   5.3485   5.3485   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    153.002
      Density (g/cm3):      3.389
      MAX. ABS. INTENSITY / VOLUME**2:      37.68880120    
      RIR:      3.621
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.91         93.74        3.0880    1   1   1         8
                48.12        100.00        1.8910    2   2   0        12
                57.12         28.77        1.6126    3   1   1        24
                70.42         10.69        1.3371    4   0   0         6
                77.85          8.71        1.2270    3   3   1        24
                89.84         17.37        1.0918    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.