Zircon
      Finch R J, Hanchar J M, Hoskin P W O, Burns P C
      American Mineralogist 86 (2001) 681-689
      Rare-earth elements in synthetic zircon: Part 2. A single-crystal
      X-ray study of xenotime substitution
      Sample: Dy (15)
      _database_code_amcsd 0002644

      CELL PARAMETERS:    6.6139   6.6139   5.9850   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    261.806
      Density (g/cm3):      4.650
      MAX. ABS. INTENSITY / VOLUME**2:      71.87292641    
      RIR:      5.033
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.01         42.42        4.4378    1   0   1         8
                26.96        100.00        3.3070    2   0   0         4
                33.80          6.98        2.6517    2   1   1        16
                35.62         56.51        2.5206    1   1   2         8
                38.50         12.23        2.3384    2   2   0         4
                40.66          6.10        2.2189    2   0   2         8
                43.76         19.35        2.0687    3   0   1         8
                47.61         12.65        1.9100    1   0   3         8
                52.15         12.92        1.7538    3   2   1        16
                53.45         50.23        1.7143    3   1   2        16
                55.56          2.94        1.6540    2   1   3        16
                55.58         13.86        1.6535    4   0   0         4
                59.68          2.20        1.5494    4   1   1        16
                62.03          2.70        1.4963    0   0   4         2
                62.82          2.44        1.4793    3   0   3         8
                62.84          8.62        1.4789    4   2   0         8
                67.78         15.07        1.3826    3   3   2         8
                68.88          8.86        1.3632    2   0   4         8
                73.29          4.20        1.2916    4   3   1        16
                75.42          7.51        1.2603    2   2   4         8
                76.15          1.92        1.2501    4   1   3        16
                80.75          7.81        1.1901    5   1   2        16
                82.50          2.42        1.1692    4   4   0         4
                88.02          1.89        1.1096    2   1   5        16
                88.03          4.07        1.1094    4   0   4         8
                88.74          1.51        1.1025    5   0   3         8
                88.75          3.79        1.1023    6   0   0         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.