Fluornatromicrolite
      Witzke T, Steins M, Doering T, Schuckmann W, Wegner R, Pollmann H
      The Canadian Mineralogist 49 (2011) 1105-1110
      Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral species
      from Quixaba, Paraiba, Brazil
      Locality: Quixaba, Paraiba, Brazil
      _database_code_amcsd 0018616

      CELL PARAMETERS:   10.4451  10.4451  10.4451   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1139.562
      Density (g/cm3):      6.525
      MAX. ABS. INTENSITY / VOLUME**2:      253.8950809    
      RIR:     12.670
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.69         61.44        6.0305    1   1   1         8
                28.34         42.75        3.1493    3   1   1        24
                29.63        100.00        3.0152    2   2   2         8
                34.34         31.70        2.6113    4   0   0         6
                37.53          7.38        2.3963    3   3   1        24
                45.10          6.73        2.0102    5   1   1        24
                45.10          6.86        2.0102    3   3   3         8
                49.36         40.87        1.8465    4   4   0        12
                51.78         12.13        1.7655    5   3   1        48
                57.89          6.09        1.5929    5   3   3        24
                58.63         36.17        1.5747    6   2   2        24
                61.51          9.10        1.5076    4   4   4         8
                63.62          4.72        1.4626    5   5   1        24
                63.62          2.98        1.4626    7   1   1        24
                69.07          7.05        1.3598    7   3   1        48
                69.07          2.28        1.3598    5   5   3        24
                72.38          5.00        1.3056    8   0   0         6
                74.33          1.00        1.2761    7   3   3        24
                79.46          3.18        1.2061    7   5   1        48
                80.10         12.05        1.1981    6   6   2        24
                82.62         10.18        1.1678    8   4   0        24
                84.51          1.41        1.1465    9   1   1        24
                84.51          2.29        1.1465    7   5   3        48
                89.51          2.99        1.0949    9   3   1        48
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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.