Columbite
      Sturdivant J
      Zeitschrift fur Kristallographie 75 (1930) 88-108
      The Crystal Structure of Columbite
      _cod_database_code 1010915
      _database_code_amcsd 0017641

      CELL PARAMETERS:    5.0820  14.2380   5.7300   90.000   90.000   90.000
      SPACE GROUP: Pnca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    414.609
      Density (g/cm3):      5.409
      MAX. ABS. INTENSITY / VOLUME**2:      100.0108336    
      RIR:      6.021
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.43          5.61        7.1190    0   2   0         2
                16.68          8.05        5.3157    0   1   1         4
                24.23          5.46        3.6734    1   1   1         8
                24.35        100.00        3.6551    0   3   1         4
                25.02          3.52        3.5595    0   4   0         2
                26.58         19.63        3.3537    1   2   1         8
                30.12          2.95        2.9673    1   3   1         8
                31.22          4.26        2.8650    0   0   2         2
                34.52          8.15        2.5985    1   4   1         8
                35.32          2.18        2.5410    2   0   0         2
                36.55         22.12        2.4582    1   1   2         8
                37.58         12.48        2.3931    2   2   0         4
                37.92          7.17        2.3730    0   6   0         2
                38.21          4.21        2.3552    1   2   2         8
                39.30         20.71        2.2925    2   1   1         8
                39.54          1.30        2.2792    1   5   1         8
                40.26          3.25        2.2401    2   3   0         4
                40.41          1.24        2.2319    0   4   2         4
                43.37         11.93        2.0864    2   3   1         8
                43.77         11.35        2.0681    2   4   0         4
                44.33          3.23        2.0435    1   4   2         8
                47.43          1.09        1.9168    0   7   1         4
                47.85          3.85        1.9010    2   0   2         4
                48.50         11.01        1.8769    1   5   2         8
                49.64          3.00        1.8367    2   2   2         8
                49.90          6.96        1.8275    0   6   2         4
                50.72          6.47        1.8000    2   5   1         8
                51.52          1.38        1.7740    1   1   3         8
                52.78          6.59        1.7343    2   6   0         4
                52.79         12.08        1.7340    1   2   3         8
                53.27          6.29        1.7197    1   6   2         8
                54.74          2.38        1.6769    2   4   2         8
                54.87          1.19        1.6731    1   3   3         8
                57.14          2.18        1.6119    1   8   1         8
                57.70          7.33        1.5977    1   4   3         8
                58.26          1.82        1.5838    3   2   1         8
                58.54          4.92        1.5767    1   7   2         8
                60.50          6.38        1.5302    2   7   1         8
                60.73          6.02        1.5249    0   9   1         4
                62.61          1.33        1.4837    2   6   2         8
                62.89          1.15        1.4779    3   4   1         8
                63.85          1.97        1.4577    2   8   0         4
                64.21          4.05        1.4506    3   1   2         8
                65.12          1.27        1.4325    0   0   4         2
                67.16          1.15        1.3939    3   3   2         8
                68.35          4.12        1.3724    1   1   4         8
                72.26          2.06        1.3076    2   9   1         8
                72.88          3.05        1.2979    3   5   2         8
                74.71          1.57        1.2705    4   0   0         2
                75.35          3.92        1.2613    1   8   3         8
                76.32          3.30        1.2477    3   2   3         8
                76.73          2.19        1.2421    2  10   0         4
                76.81          3.46        1.2410    1   5   4         8
                79.94          4.87        1.2001    4   3   1         8
                80.44          2.48        1.1939    3   4   3         8
                81.04          2.32        1.1865    0  12   0         2
                81.16          1.14        1.1851    3   7   2         8
                84.28          2.17        1.1490    1  11   2         8
                84.98          1.69        1.1413    1   7   4         8
                86.99          3.03        1.1201    4   6   0         4
                87.58          1.47        1.1140    0   3   5         4
                87.60          1.54        1.1138    1  10   3         8
                88.54          1.13        1.1044    1   2   5         8
                89.96          1.93        1.0906    3   1   4         8
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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.