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: Y+P (43)
      _database_code_amcsd 0002651

      CELL PARAMETERS:    6.6329   6.6329   5.9860   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    263.356
      Density (g/cm3):      4.623
      MAX. ABS. INTENSITY / VOLUME**2:      71.83291622    
      RIR:      5.060
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.98         41.38        4.4439    1   0   1         8
                26.88        100.00        3.3165    2   0   0         4
                33.72          6.89        2.6579    2   1   1        16
                35.58         56.04        2.5230    1   1   2         8
                38.38         12.15        2.3451    2   2   0         4
                40.60          6.28        2.2219    2   0   2         8
                43.64         19.52        2.0740    3   0   1         8
                47.59         12.66        1.9107    1   0   3         8
                52.00         13.17        1.7585    3   2   1        16
                53.33         50.05        1.7177    3   1   2        16
                55.41         13.89        1.6582    4   0   0         4
                55.50          2.97        1.6556    2   1   3        16
                59.50          2.14        1.5536    4   1   1        16
                62.01          2.60        1.4965    0   0   4         2
                62.64          8.49        1.4832    4   2   0         8
                62.72          2.38        1.4813    3   0   3         8
                67.60         15.14        1.3857    3   3   2         8
                68.83          8.74        1.3641    2   0   4         8
                73.06          4.29        1.2952    4   3   1        16
                75.34          7.57        1.2615    2   2   4         8
                75.99          1.92        1.2524    4   1   3        16
                80.51          7.74        1.1930    5   1   2        16
                82.22          2.39        1.1725    4   4   0         4
                87.88          4.00        1.1110    4   0   4         8
                87.96          1.93        1.1102    2   1   5        16
                88.43          3.88        1.1055    6   0   0         4
                88.51          1.56        1.1047    5   0   3         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.