Thorianite
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Fluorite structure
      _database_code_amcsd 0011725

      CELL PARAMETERS:    5.5997   5.5997   5.5997   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    175.588
      Density (g/cm3):      9.987
      MAX. ABS. INTENSITY / VOLUME**2:      776.8297153    
      RIR:     25.328
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.59        100.00        3.2330    1   1   1         8
                31.96         35.86        2.7998    2   0   0         6
                45.83         45.59        1.9798    2   2   0        12
                54.34         40.25        1.6884    3   1   1        24
                56.97          8.74        1.6165    2   2   2         8
                66.83          6.14        1.3999    4   0   0         6
                73.75         14.09        1.2847    3   3   1        24
                76.00         10.13        1.2521    4   2   0        24
                84.82         11.04        1.1430    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.