Xenotime-(Yb)
      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 0001712

      CELL PARAMETERS:    6.8093   6.8093   5.9639   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    276.526
      Density (g/cm3):      6.437
      MAX. ABS. INTENSITY / VOLUME**2:      190.2224403    
      RIR:      9.623
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.79         65.38        4.4864    1   0   1         8
                26.17        100.00        3.4046    2   0   0         4
                33.03         30.98        2.7121    2   1   1        16
                35.41         69.92        2.5351    1   1   2         8
                37.35         22.54        2.4075    2   2   0         4
                40.20          2.74        2.2432    2   0   2         8
                42.62         21.91        2.1213    3   0   1         8
                47.65         14.14        1.9083    1   0   3         8
                50.70         21.88        1.8004    3   2   1        16
                52.41         53.91        1.7457    3   1   2        16
                53.85         13.99        1.7023    4   0   0         4
                55.18         11.24        1.6647    2   1   3        16
                57.94          7.46        1.5916    4   1   1        16
                60.84         12.63        1.5226    4   2   0         8
                62.06          3.63        1.4955    3   0   3         8
                62.27          2.64        1.4910    0   0   4         2
                66.12         14.86        1.4133    3   3   2         8
                68.53          3.19        1.3692    3   2   3        16
                68.73         10.28        1.3658    2   0   4         8
                70.99          7.50        1.3277    4   3   1        16
                70.99          2.07        1.3277    5   0   1         8
                74.73          4.85        1.2703    4   1   3        16
                74.92          9.93        1.2676    2   2   4         8
                77.11          2.79        1.2370    5   2   1        16
                78.47         13.31        1.2188    5   1   2        16
                79.65          3.15        1.2037    4   4   0         4
                82.02          1.30        1.1749    1   0   5         8
                85.58          4.30        1.1349    6   0   0         4
                86.66          2.35        1.1235    5   0   3         8
                86.66          2.04        1.1235    4   3   3        16
                86.84          5.28        1.1216    4   0   4         8
                87.92          3.92        1.1106    2   1   5        16
                88.96          2.67        1.1002    6   1   1        16
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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.