Xenotime-(Er)
      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 0001710

      CELL PARAMETERS:    6.8508   6.8508   5.9968   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    281.451
      Density (g/cm3):      6.188
      MAX. ABS. INTENSITY / VOLUME**2:      176.0518539    
      RIR:      9.264
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.67         62.40        4.5123    1   0   1         8
                26.01        100.00        3.4254    2   0   0         4
                32.83         29.11        2.7283    2   1   1        16
                35.20         68.98        2.5495    1   1   2         8
                37.12         21.97        2.4221    2   2   0         4
                39.96          2.91        2.2561    2   0   2         8
                42.35         21.35        2.1341    3   0   1         8
                47.37         13.60        1.9189    1   0   3         8
                50.38         21.10        1.8113    3   2   1        16
                52.08         52.58        1.7560    3   1   2        16
                53.50         13.69        1.7127    4   0   0         4
                54.84         10.63        1.6741    2   1   3        16
                57.56          6.85        1.6012    4   1   1        16
                60.43         12.11        1.5319    4   2   0         8
                61.67          3.31        1.5041    3   0   3         8
                61.89          2.48        1.4992    0   0   4         2
                65.67         14.35        1.4217    3   3   2         8
                68.08          2.82        1.3772    3   2   3        16
                68.29          9.83        1.3734    2   0   4         8
                70.50          1.88        1.3357    5   0   1         8
                70.50          7.04        1.3357    4   3   1        16
                74.22          4.46        1.2778    4   1   3        16
                74.42          9.57        1.2748    2   2   4         8
                76.56          2.49        1.2445    5   2   1        16
                77.92         12.68        1.2261    5   1   2        16
                79.07          2.98        1.2111    4   4   0         4
                81.47          1.17        1.1814    1   0   5         8
                84.94          4.11        1.1418    6   0   0         4
                86.02          1.77        1.1302    4   3   3        16
                86.02          2.15        1.1302    5   0   3         8
                86.22          4.95        1.1281    4   0   4         8
                87.30          3.57        1.1168    2   1   5        16
                88.29          2.37        1.1069    6   1   1        16
                89.62         10.30        1.0939    5   3   2        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.