Calciobetafite
      Mazzi F, Munno R
      American Mineralogist 68 (1983) 262-276
      Calciobetafite (new mineral of the pyrochlore group) and related minerals from
      Campi Flegrei, Italy; crystal structures of polymignyte and zirkelite:
      comparison with pyrochlore and zirconolite
      _database_code_amcsd 0000891

      CELL PARAMETERS:   10.2978  10.2978  10.2978   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1092.027
      Density (g/cm3):      4.800
      MAX. ABS. INTENSITY / VOLUME**2:      112.1786406    
      RIR:      7.610
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.90          1.20        5.9454    1   1   1         8
                28.75          1.49        3.1049    3   1   1        24
                30.06        100.00        2.9727    2   2   2         8
                34.85         22.19        2.5745    4   0   0         6
                38.09          3.45        2.3625    3   3   1        24
                45.78          1.52        1.9818    3   3   3         8
                50.11         46.52        1.8204    4   4   0        12
                59.55         34.93        1.5525    6   2   2        24
                62.49          7.59        1.4864    4   4   4         8
                73.58          5.48        1.2872    8   0   0         6
                81.48         12.19        1.1812    6   6   2        24
                84.07          9.62        1.1513    8   4   0        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.