Xenotime-(Tb)
      Ni Y, Hughes J M, Mariano A N
      American Mineralogist 80 (1995) 21-26
      Crystal chemistry of the monazite and xenotime structures
      Locality: synthetic
      _database_code_amcsd 0001707

      CELL PARAMETERS:    6.9309   6.9309   6.0606   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    291.135
      Density (g/cm3):      5.792
      MAX. ABS. INTENSITY / VOLUME**2:      157.4233333    
      RIR:      8.850
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.46         56.77        4.5624    1   0   1         8
                25.71        100.00        3.4655    2   0   0         4
                32.44         26.28        2.7596    2   1   1        16
                34.81         67.44        2.5774    1   1   2         8
                36.67         21.45        2.4504    2   2   0         4
                39.50          3.15        2.2812    2   0   2         8
                41.85         20.93        2.1588    3   0   1         8
                46.84         13.18        1.9395    1   0   3         8
                49.76         20.66        1.8323    3   2   1        16
                51.46         51.71        1.7759    3   1   2        16
                52.84         13.45        1.7327    4   0   0         4
                54.19         10.22        1.6925    2   1   3        16
                56.84          6.18        1.6198    4   1   1        16
                59.66         11.64        1.5498    4   2   0         8
                60.92          3.00        1.5208    3   0   3         8
                61.17          2.33        1.5151    0   0   4         2
                64.84         14.21        1.4380    3   3   2         8
                67.23          2.48        1.3926    3   2   3        16
                67.46          9.56        1.3883    2   0   4         8
                69.57          6.84        1.3513    4   3   1        16
                69.57          1.76        1.3513    5   0   1         8
                73.26          4.22        1.2922    4   1   3        16
                73.48          9.54        1.2887    2   2   4         8
                75.52          2.33        1.2590    5   2   1        16
                76.87         12.52        1.2402    5   1   2        16
                77.98          2.84        1.2252    4   4   0         4
                80.43          1.09        1.1940    1   0   5         8
                83.73          4.16        1.1552    6   0   0         4
                84.83          1.55        1.1430    4   3   3        16
                84.83          2.06        1.1430    5   0   3         8
                85.05          4.85        1.1406    4   0   4         8
                86.14          3.41        1.1289    2   1   5        16
                87.01          2.18        1.1198    6   1   1        16
                88.32         10.18        1.1066    5   3   2        16
                89.41          5.25        1.0959    6   2   0         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.