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: Er+P (36)
      _database_code_amcsd 0002649

      CELL PARAMETERS:    6.6355   6.6355   5.9890   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    263.695
      Density (g/cm3):      4.617
      MAX. ABS. INTENSITY / VOLUME**2:      71.71132415    
      RIR:      5.058
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.97         41.39        4.4459    1   0   1         8
                26.87        100.00        3.3177    2   0   0         4
                33.71          6.91        2.6590    2   1   1        16
                35.57         56.10        2.5242    1   1   2         8
                38.37         12.19        2.3460    2   2   0         4
                40.58          6.26        2.2230    2   0   2         8
                43.62         19.47        2.0749    3   0   1         8
                47.57         12.63        1.9117    1   0   3         8
                51.98         13.14        1.7592    3   2   1        16
                53.31         50.05        1.7184    3   1   2        16
                55.38         13.87        1.6589    4   0   0         4
                55.47          2.98        1.6564    2   1   3        16
                59.47          2.15        1.5542    4   1   1        16
                61.98          2.60        1.4972    0   0   4         2
                62.61          8.52        1.4837    4   2   0         8
                62.69          2.38        1.4820    3   0   3         8
                67.57         15.11        1.3863    3   3   2         8
                68.79          8.75        1.3647    2   0   4         8
                73.02          4.27        1.2957    4   3   1        16
                75.30          7.57        1.2621    2   2   4         8
                75.95          1.92        1.2529    4   1   3        16
                80.47          7.77        1.1935    5   1   2        16
                82.18          2.39        1.1730    4   4   0         4
                87.83          4.00        1.1115    4   0   4         8
                87.91          1.92        1.1107    2   1   5        16
                88.39          3.86        1.1059    6   0   0         4
                88.46          1.55        1.1052    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.