F1.8 H1.376 O2.2 Si0.206 Zr
      Valero R, Paillaud J, Durand B, Guth J, Chopin T
      European Journal of Solid State and Inorganic Chemistry 35 (1998) 735-743
      Rietveld refinement of two fluoro-hydroxy-zircons
      _cod_database_code 1004027
      _database_code_amcsd 0012625

      CELL PARAMETERS:    6.6482   6.6482   5.9076   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    261.107
      Density (g/cm3):      4.232
      MAX. ABS. INTENSITY / VOLUME**2:      64.79786902    
      RIR:      4.985
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.11        100.00        4.4160    1   0   1         8
                26.82         76.40        3.3241    2   0   0         4
                33.75         19.83        2.6558    2   1   1        16
                35.91         35.25        2.5011    1   1   2         8
                38.29          5.54        2.3505    2   2   0         4
                40.87          6.88        2.2080    2   0   2         8
                43.62         33.31        2.0749    3   0   1         8
                48.20         21.05        1.8881    1   0   3         8
                51.95         22.74        1.7601    3   2   1        16
                53.50         39.17        1.7128    3   1   2        16
                55.27         11.97        1.6621    4   0   0         4
                56.01          5.87        1.6418    2   1   3        16
                59.42          5.68        1.5555    4   1   1        16
                62.47          5.72        1.4866    4   2   0         8
                62.93          2.16        1.4769    0   0   4         2
                63.16          5.35        1.4720    3   0   3         8
                67.69         13.00        1.3843    3   3   2         8
                69.67          6.29        1.3497    2   0   4         8
                69.89          1.41        1.3459    3   2   3        16
                72.93          7.83        1.2972    4   3   1        16
                72.93          1.30        1.2972    5   0   1         8
                76.12          4.83        1.2505    2   2   4         8
                76.33          4.01        1.2476    4   1   3        16
                80.53          4.66        1.1928    5   1   2        16
                81.99          1.86        1.1752    4   4   0         4
                88.17          3.14        1.1080    6   0   0         4
                88.58          3.03        1.1040    4   0   4         8
                88.79          1.66        1.1020    4   3   3        16
                88.79          2.64        1.1020    5   0   3         8
                89.19          3.34        1.0980    2   1   5        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.