Tantalite-(Mn)
      dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M
      Brazilian Journal of Physics 31 (2001) 616-631
      Crystal chemistry and structure of the orthorhombic
      (Fe,Mn)(Ta,Nb)2O6 family of compounds
      Note: Sample Mn0.88Fe0.09Ta1.72Nb0.28O6
      Locality: Brazil
      _database_code_amcsd 0018628

      CELL PARAMETERS:   14.3196   5.7413   5.0624   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    416.196
      Density (g/cm3):      7.765
      MAX. ABS. INTENSITY / VOLUME**2:      275.5380268    
      RIR:     11.554
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.36         16.12        7.1598    2   0   0         2
                16.64          4.53        5.3289    1   1   0         4
                24.25         25.21        3.6704    3   1   0         4
                24.25         17.76        3.6703    1   1   1         8
                24.87          8.61        3.5799    4   0   0         2
                30.07        100.00        2.9715    3   1   1         8
                31.16         10.62        2.8707    0   2   0         2
                33.64          1.57        2.6645    2   2   0         4
                35.46         15.05        2.5312    0   0   2         2
                35.96         16.50        2.4971    0   2   1         4
                37.69         10.09        2.3866    6   0   0         2
                37.69          2.28        2.3865    2   0   2         4
                38.17          1.61        2.3578    2   2   1         8
                39.41          1.13        2.2865    5   1   1         8
                40.27          1.49        2.2395    4   2   0         4
                40.33          1.15        2.2362    3   0   2         4
                40.78          2.18        2.2126    3   2   1         8
                43.43          7.20        2.0837    3   1   2         8
                43.80          2.40        2.0668    4   0   2         4
                44.22          3.25        2.0481    4   2   1         8
                47.91          6.98        1.8986    0   2   2         4
                47.96          1.33        1.8969    1   3   0         4
                49.68          6.18        1.8352    6   2   0         4
                50.69          4.55        1.8009    7   1   1         8
                51.44         12.61        1.7763    3   3   0         4
                52.71         13.92        1.7365    6   0   2         4
                53.08         16.49        1.7253    6   2   1         8
                54.73          1.51        1.6773    4   2   2         8
                54.77          1.48        1.6761    3   3   1         8
                57.27          1.43        1.6087    1   1   3         8
                60.37         12.59        1.5332    3   1   3         8
                61.04          1.30        1.5180    1   3   2         8
                62.51          4.85        1.4858    6   2   2         8
                63.38         10.36        1.4674    9   1   1         8
                64.00          5.44        1.4547    0   2   3         4
                64.04         10.76        1.4540    3   3   2         8
                67.87          4.85        1.3809    0   4   1         4
                72.01          1.61        1.3114    9   1   2         8
                73.51          1.16        1.2884    4   4   1         8
                74.78          1.07        1.2695    7   1   3         8
                75.05          1.43        1.2656    0   0   4         2
                76.72          2.29        1.2422    6   2   3         8
                78.12          2.28        1.2235    9   3   0         4
                78.12          1.03        1.2234    7   3   2         8
                80.33          4.87        1.1952    6   4   1         8
                80.49          1.44        1.1933   12   0   0         2
                85.59          2.87        1.1348    9   1   3         8
                87.18          2.23        1.1181    6   0   4         4
                87.34          1.25        1.1164    3   5   0         4
                88.83          3.68        1.1015    9   3   2         8
                89.68          1.69        1.0933    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.