Ixiolite-(Mn2+)
      Grice J D, Ferguson R B, Hawthorne F C
      The Canadian Mineralogist 14 (1976) 540-549
      The crystal structures of tantalite, ixiolite and wodginite
      from Bernic lake, Manitoba I. Tantalite and ixiolite
      Locality: Bernic Lake, Manitoba, Canada
      _database_code_amcsd 0005132

      CELL PARAMETERS:    4.7850   5.7580   5.1600   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    142.168
      Density (g/cm3):      6.934
      MAX. ABS. INTENSITY / VOLUME**2:      197.1465448    
      RIR:      9.258
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.18         33.63        3.6801    1   1   0         4
                29.82        100.00        2.9962    1   1   1         8
                31.06          7.83        2.8790    0   2   0         2
                34.77         16.53        2.5800    0   0   2         2
                35.71         21.04        2.5141    0   2   1         4
                37.59          9.80        2.3925    2   0   0         2
                39.69          1.48        2.2709    1   0   2         4
                40.53          2.66        2.2256    1   2   1         8
                42.81         10.50        2.1126    1   1   2         8
                47.31          4.54        1.9214    0   2   2         4
                49.54          3.93        1.8401    2   2   0         4
                51.29         13.18        1.7814    1   3   0         4
                52.14         14.40        1.7543    2   0   2         4
                52.82         20.84        1.7332    2   2   1         8
                59.31         11.81        1.5582    1   1   3         8
                60.20          1.21        1.5371    3   1   0         4
                61.94          3.29        1.4981    2   2   2         8
                62.95          6.51        1.4766    0   2   3         4
                63.11          9.52        1.4731    3   1   1         8
                63.46         11.12        1.4659    1   3   2         8
                64.76          1.14        1.4395    0   4   0         2
                67.56          3.57        1.3866    0   4   1         4
                71.44          1.97        1.3205    3   1   2         8
                73.40          1.34        1.2900    0   0   4         2
                75.69          2.79        1.2565    2   2   3         8
                77.87          2.33        1.2267    3   3   0         4
                78.58          1.16        1.2174    1   1   4         8
                79.97          3.66        1.1997    2   4   1         8
                80.25          1.49        1.1962    4   0   0         2
                84.54          2.60        1.1461    3   1   3         8
                85.52          2.18        1.1355    2   0   4         4
                88.19          3.58        1.1079    3   3   2         8
                88.59          1.28        1.1039    0   4   3         4
                89.59          2.24        1.0942    1   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.