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 = 0.95 GPa
      _database_code_amcsd 0008646

      CELL PARAMETERS:    5.4066   5.4066   5.4066   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    158.042
      Density (g/cm3):      3.281
      MAX. ABS. INTENSITY / VOLUME**2:      36.89047492    
      RIR:      3.661
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.60         92.63        3.1215    1   1   1         8
                47.57        100.00        1.9115    2   2   0        12
                56.45         28.83        1.6302    3   1   1        24
                69.55         10.77        1.3516    4   0   0         6
                76.86          8.73        1.2404    3   3   1        24
                88.62         17.34        1.1036    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.