Columbite-(Fe)
      Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
      Physics and Chemistry of Minerals 30 (2003) 590-598
      High-temperature X-ray investigation of natural columbites
      Note: sample BRA3 at T = 20 C
      Locality: San Jose de Safira, Minas Gerais, Brazil
      _database_code_amcsd 0008842

      CELL PARAMETERS:   14.2880   5.7364   5.0562   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    414.415
      Density (g/cm3):      5.523
      MAX. ABS. INTENSITY / VOLUME**2:      125.3213941    
      RIR:      7.388
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.39          4.93        7.1440    2   0   0         2
                16.65          1.35        5.3234    1   1   0         4
                24.28          7.81        3.6661    1   1   1         8
                24.29         25.85        3.6643    3   1   0         4
                24.93          3.96        3.5720    4   0   0         2
                30.12        100.00        2.9671    3   1   1         8
                31.18          9.45        2.8682    0   2   0         2
                35.51         13.22        2.5281    0   0   2         2
                36.00         13.90        2.4948    0   2   1         4
                37.78          6.69        2.3813    6   0   0         2
                40.39          2.78        2.2330    3   0   2         4
                40.83          5.24        2.2099    3   2   1         8
                43.49          7.63        2.0809    3   1   2         8
                43.87          1.17        2.0636    4   0   2         4
                44.29          1.16        2.0453    4   2   1         8
                47.97          6.84        1.8965    0   2   2         4
                49.77          6.19        1.8322    6   2   0         4
                50.80          1.97        1.7974    7   1   1         8
                51.50         12.93        1.7745    3   3   0         4
                52.81         15.80        1.7334    6   0   2         4
                53.17         20.39        1.7226    6   2   1         8
                54.83          1.15        1.6743    3   3   1         8
                60.46         13.18        1.5312    3   1   3         8
                62.62          4.83        1.4835    6   2   2         8
                63.53         10.78        1.4645    9   1   1         8
                64.08          7.36        1.4531    0   2   3         4
                64.12         11.75        1.4524    3   3   2         8
                67.94          5.30        1.3797    0   4   1         4
                72.16          1.92        1.3090    9   1   2         8
                75.16          1.46        1.2641    0   0   4         2
                76.85          1.96        1.2404    6   2   3         8
                78.27          2.72        1.2214    9   3   0         4
                80.35          1.14        1.1949    3   1   4         8
                80.45          5.43        1.1938    6   4   1         8
                80.70          2.10        1.1907   12   0   0         2
                83.59          1.13        1.1567    0   2   4         4
                85.77          3.51        1.1329    9   1   3         8
                87.34          3.10        1.1165    6   0   4         4
                87.45          1.39        1.1154    3   5   0         4
                89.01          4.61        1.0998    9   3   2         8
                89.79          1.99        1.0922    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.