Cesstibtantite
Diffraction data computed using the structute from the paper listed below,
along with the cell parameters refined from single crystal data of R061058
      Ercit T S, Cerny P, Hawthorne F C
      Mineralogy and Petrology 48 (1993) 235-255
      Cesstibtantite - a geologic introduction to the inverse pyrochlores
      Locality: Leshaia pegmatite, Kola Peninsula, Russia
      Sample: KO-1

      CELL PARAMETERS:  10.5200 10.5200 10.5200   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: Fd3m      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Sb     0.51800   0.51800   0.45500     0.047     1.184
            Na     0.51800   0.51800   0.45500     0.026     1.184
            Pb     0.51800   0.51800   0.45500     0.002     1.184
            Bi     0.51800   0.51800   0.45500     0.001     1.184
            Ta     0.00000   0.00000   0.00000     0.940     1.595
            Nb     0.00000   0.00000   0.00000     0.060     1.595
            Oo     0.31400   0.12500   0.12500     0.948     1.784
            OH     0.31400   0.12500   0.12500     0.026     1.784
            F      0.31400   0.12500   0.12500     0.026     1.784
            Cs     0.37500   0.37500   0.37500     0.310     4.579
            OH     0.37500   0.37500   0.37500     0.345     4.579
            F      0.37500   0.37500   0.37500     0.345     4.579

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    0.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  9 +/-  9 +/-  9
            MAX. ABS. INTENSITY / VOLUME**2:      215.8347294    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                14.58         51.64        6.0737    1   1   1
                23.92          1.36        3.7194    2   2   0
                28.13         60.61        3.1719    3   1   1
                29.41        100.00        3.0369    2   2   2
                34.09         25.58        2.6300    4   0   0
                37.26          6.11        2.4135    3   3   1
                44.76         11.77        2.0246    5   1   1
                44.76         10.87        2.0246    3   3   3
                48.98         40.82        1.8597    4   4   0
                51.38         10.62        1.7782    5   3   1
                55.22          1.36        1.6634    6   2   0
                57.44          7.96        1.6043    5   3   3
                58.17         30.76        1.5859    6   2   2
                61.02          6.88        1.5184    4   4   4
                63.11          5.83        1.4731    5   5   1
                63.11          2.98        1.4731    7   1   1
                68.51          9.99        1.3696    7   3   1
                68.51          3.26        1.3696    5   5   3
                71.78          4.35        1.3150    8   0   0
                73.72          1.63        1.2852    7   3   3
                78.79          3.92        1.2147    7   5   1
                79.41          8.97        1.2067    6   6   2
                81.91          6.80        1.1762    8   4   0
                83.77          2.19        1.1547    7   5   3
                83.77          1.62        1.1547    9   1   1
                88.70          3.85        1.1028    9   3   1
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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.