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: pure zircon #38
      _database_code_amcsd 0002643

      CELL PARAMETERS:    6.6102   6.6102   5.9860   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    261.557
      Density (g/cm3):      4.654
      MAX. ABS. INTENSITY / VOLUME**2:      71.93740480    
      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         42.13        4.4370    1   0   1         8
                26.98        100.00        3.3051    2   0   0         4
                33.82          6.91        2.6506    2   1   1        16
                35.62         56.60        2.5205    1   1   2         8
                38.52         12.03        2.3371    2   2   0         4
                40.67          6.36        2.2185    2   0   2         8
                43.78         19.56        2.0678    3   0   1         8
                47.60         12.83        1.9102    1   0   3         8
                52.18         13.12        1.7530    3   2   1        16
                53.47         50.31        1.7137    3   1   2        16
                55.57          2.94        1.6539    2   1   3        16
                55.62         13.98        1.6525    4   0   0         4
                59.71          2.16        1.5486    4   1   1        16
                62.01          2.65        1.4965    0   0   4         2
                62.83          2.43        1.4790    3   0   3         8
                62.87          8.52        1.4781    4   2   0         8
                67.81         15.21        1.3820    3   3   2         8
                68.87          8.84        1.3633    2   0   4         8
                73.34          4.31        1.2909    4   3   1        16
                75.43          7.62        1.2603    2   2   4         8
                76.17          1.95        1.2498    4   1   3        16
                80.79          7.70        1.1896    5   1   2        16
                82.56          2.42        1.1685    4   4   0         4
                88.01          1.96        1.1097    2   1   5        16
                88.05          4.03        1.1093    4   0   4         8
                88.78          1.59        1.1021    5   0   3         8
                88.81          3.89        1.1017    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.