Tantalite-(Mn)
      Klein S, Weitzel H
      Acta Crystallographica A32 (1976) 587-591
      Magnetische struktur von Mn(Nb0.5Ta0.5)2O6, manganotantalit
      Note: columbite structure
      _database_code_amcsd 0009323

      CELL PARAMETERS:   14.4180   5.7600   5.0990   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    423.460
      Density (g/cm3):      6.662
      MAX. ABS. INTENSITY / VOLUME**2:      205.3389192    
      RIR:     10.036
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.28         12.70        7.2090    2   0   0         2
                16.57          3.80        5.3489    1   1   0         4
                24.11         13.64        3.6907    1   1   1         8
                24.12         25.67        3.6902    3   1   0         4
                24.70          6.19        3.6045    4   0   0         2
                29.89        100.00        2.9894    3   1   1         8
                31.05          9.21        2.8800    0   2   0         2
                33.51          1.02        2.6745    2   2   0         4
                35.20         14.61        2.5495    0   0   2         2
                35.81         16.77        2.5077    0   2   1         4
                37.41          1.52        2.4036    2   0   2         4
                37.42          9.05        2.4030    6   0   0         2
                37.99          1.63        2.3685    2   2   1         8
                40.03          1.77        2.2522    3   0   2         4
                40.58          2.97        2.2232    3   2   1         8
                43.13          8.12        2.0976    3   1   2         8
                43.48          1.83        2.0815    4   0   2         4
                43.99          2.88        2.0585    4   2   1         8
                47.64          6.69        1.9090    0   2   2         4
                47.79          1.06        1.9032    1   3   0         4
                49.39          6.18        1.8451    6   2   0         4
                50.34          3.04        1.8127    7   1   1         8
                51.24         13.68        1.7830    3   3   0         4
                52.32         15.43        1.7487    6   0   2         4
                52.76         20.50        1.7350    6   2   1         8
                54.38          1.05        1.6870    4   2   2         8
                56.84          1.05        1.6199    1   1   3         8
                59.92         13.20        1.5438    3   1   3         8
                59.93          1.12        1.5434    9   1   0         4
                60.73          1.20        1.5251    1   3   2         8
                62.10          4.94        1.4947    6   2   2         8
                62.92         11.60        1.4772    9   1   1         8
                63.56          6.72        1.4638    0   2   3         4
                63.69         12.73        1.4611    3   3   2         8
                67.60          5.55        1.3858    0   4   1         4
                71.45          2.14        1.3203    9   1   2         8
                73.17          1.10        1.2935    4   4   1         8
                74.18          1.06        1.2783    7   1   3         8
                74.42          1.56        1.2747    0   0   4         2
                76.15          2.74        1.2501    6   2   3         8
                76.16          1.03        1.2499   10   2   1         8
                77.61          1.11        1.2301    7   3   2         8
                77.62          3.26        1.2301    9   3   0         4
                79.56          1.23        1.2049    3   1   4         8
                79.83          2.16        1.2015   12   0   0         2
                79.91          6.05        1.2005    6   4   1         8
                82.81          1.05        1.1657    0   2   4         4
                84.86          3.90        1.1426    9   1   3         8
                86.41          2.99        1.1261    6   0   4         4
                86.97          1.46        1.1203    3   5   0         4
                88.19          5.11        1.1079    9   3   2         8
                89.12          2.11        1.0987    0   4   3         4
                89.59          2.32        1.0942    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.