Columbite-(Fe)
      Wenger M, Armbruster T, Geiger C A
      American Mineralogist 76 (1991) 1897-1904
      Cation distribution in partially ordered columbite from the Kings Mountain
      pegmatite, North Carolina
      sample NCP5, T = 100 K
      _database_code_amcsd 0001435

      CELL PARAMETERS:   14.1890   5.7270   5.1200   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    416.053
      Density (g/cm3):      6.092
      MAX. ABS. INTENSITY / VOLUME**2:      149.5939367    
      RIR:      7.996
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.15          1.22        3.6860    1   1   1         8
                24.41         31.19        3.6468    3   1   0         4
                30.09        100.00        2.9704    3   1   1         8
                31.24          7.38        2.8635    0   2   0         2
                35.05         15.05        2.5600    0   0   2         2
                35.93         18.61        2.4992    0   2   1         4
                38.05          7.84        2.3648    6   0   0         2
                40.05          2.34        2.2514    3   0   2         4
                40.84          4.24        2.2097    3   2   1         8
                43.18         10.14        2.0953    3   1   2         8
                47.65          5.23        1.9085    0   2   2         4
                50.02          4.69        1.8234    6   2   0         4
                51.63         13.45        1.7702    3   3   0         4
                52.69         15.71        1.7371    6   0   2         4
                53.33         22.43        1.7177    6   2   1         8
                59.83         12.56        1.5458    3   1   3         8
                60.95          1.20        1.5200    9   1   0         4
                62.54          3.58        1.4852    6   2   2         8
                63.45          7.75        1.4660    0   2   3         4
                63.88         10.09        1.4572    9   1   1         8
                63.94         12.03        1.4560    3   3   2         8
                65.16          1.33        1.4318    0   4   0         2
                67.99          4.33        1.3789    0   4   1         4
                72.29          2.11        1.3070    9   1   2         8
                74.07          1.42        1.2800    0   0   4         2
                76.44          2.47        1.2460    6   2   3         8
                78.72          2.69        1.2156    9   3   0         4
                79.33          1.30        1.2078    3   1   4         8
                80.66          4.28        1.1912    6   4   1         8
                81.38          1.95        1.1824   12   0   0         2
                85.56          3.13        1.1351    9   1   3         8
                86.45          2.79        1.1257    6   0   4         4
                88.50          1.20        1.1048    6   4   2         8
                89.18          4.33        1.0981    9   3   2         8
                89.31          1.51        1.0969    0   4   3         4
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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.