Thorianite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060849
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Fluorite structure

      CELL PARAMETERS:   5.599700   5.599700   5.599700   90.00000   90.00000   90.00000
      SPACE GROUP: Fm3m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                27.56        100.00        3.2380    1   1   1
                31.92         35.86        2.8042    2   0   0
                45.75         45.59        1.9829    2   2   0
                54.23         40.25        1.6910    3   1   1
                56.85          8.74        1.6190    2   2   2
                66.68          6.14        1.4021    4   0   0
                73.58         14.09        1.2867    3   3   1
                75.82         10.13        1.2541    4   2   0
                84.61         11.04        1.1448    4   2   2
                84.61         11.04        1.1448    4   2   2
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.