Columbite-(Mn)
      Tarantino S C, Zema M
      American Mineralogist 90 (2005) 1291-1300
      Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
      A single-crystal X-ray diffraction study
      Sample: KRA n3p Qm=1 from Kragero, Norway
      _database_code_amcsd 0003850

      CELL PARAMETERS:   14.4003   5.7501   5.0784   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    420.508
      Density (g/cm3):      5.506
      MAX. ABS. INTENSITY / VOLUME**2:      128.7328933    
      RIR:      7.613
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.29          5.68        7.2002    2   0   0         2
                16.60          1.86        5.3401    1   1   0         4
                24.15         24.58        3.6849    3   1   0         4
                24.18          7.18        3.6800    1   1   1         8
                24.73          3.71        3.6001    4   0   0         2
                29.96        100.00        2.9825    3   1   1         8
                31.11          9.74        2.8751    0   2   0         2
                35.35         12.86        2.5392    0   0   2         2
                35.89         13.27        2.5019    0   2   1         4
                37.47          6.91        2.4000    6   0   0         2
                40.18          2.68        2.2445    3   0   2         4
                40.67          4.87        2.2186    3   2   1         8
                43.27          7.02        2.0909    3   1   2         8
                44.08          1.39        2.0545    4   2   1         8
                47.79          7.13        1.9032    0   2   2         4
                49.47          6.56        1.8425    6   2   0         4
                50.42          1.60        1.8098    7   1   1         8
                51.33         12.59        1.7800    3   3   0         4
                52.46         15.56        1.7442    6   0   2         4
                52.86         19.61        1.7320    6   2   1         8
                54.64          1.44        1.6798    3   3   1         8
                60.15         12.78        1.5383    3   1   3         8
                62.26          4.98        1.4912    6   2   2         8
                63.02         10.99        1.4750    9   1   1         8
                63.81          6.78        1.4587    0   2   3         4
                63.86         11.37        1.4576    3   3   2         8
                67.75          5.30        1.3832    0   4   1         4
                71.61          1.89        1.3177    9   1   2         8
                74.78          1.38        1.2696    0   0   4         2
                76.41          1.88        1.2465    6   2   3         8
                77.75          2.76        1.2283    9   3   0         4
                79.92          1.05        1.2004    3   1   4         8
                79.94          2.12        1.2000   12   0   0         2
                80.07          5.55        1.1984    6   4   1         8
                83.18          1.08        1.1614    0   2   4         4
                85.13          3.51        1.1397    9   1   3         8
                86.78          2.89        1.1223    6   0   4         4
                87.15          1.50        1.1184    3   5   0         4
                88.41          4.51        1.1057    9   3   2         8
                89.43          1.95        1.0957    0   4   3         4
                89.79          1.60        1.0922    3   5   1         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.