Gillardite
      Clissold M E, Leverett P, Williams P A, Hibbs D E, Nickel E H
      The Canadian Mineralogist 45 (2007) 317-320
      The structure of gillardite, the Ni-analogue of herbertsmithite, from
      Widgiemooltha, Western Australia
      Locality: 132N deposit, Widgiemooltha, Australia
      _database_code_amcsd 0006139

      CELL PARAMETERS:    6.8364   6.8364  13.8459   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    560.411
      Density (g/cm3):      3.757
      MAX. ABS. INTENSITY / VOLUME**2:      48.52033850    
      RIR:      4.206
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.28        100.00        5.4437    1   0   1         6
                19.23         16.16        4.6153    0   0   3         2
                19.73          2.91        4.4995    0   1   2         6
                26.07          4.68        3.4182    1   1   0         6
                29.90          2.44        2.9882    1   0   4         6
                30.89         25.80        2.8948    0   2   1         6
                32.60         78.60        2.7469    1   1   3        12
                32.91         17.19        2.7219    2   0   2         6
                39.03         10.50        2.3076    0   0   6         2
                40.08         64.58        2.2497    0   2   4         6
                40.85          3.80        2.2091    2   1   1        12
                44.82         10.62        2.0223    2   0   5         6
                47.54          1.16        1.9126    1   1   6        12
                48.53          9.73        1.8761    1   0   7         6
                50.28         18.77        1.8146    0   3   3         6
                50.28          5.61        1.8146    3   0   3         6
                52.58          3.69        1.7405    1   2   5        12
                53.62         29.13        1.7091    2   2   0         6
                55.91          4.29        1.6446    0   2   7         6
                56.43          5.76        1.6306    1   3   1        12
                57.50          3.00        1.6027    2   2   3        12
                57.70          1.91        1.5977    3   1   2        12
                61.86          1.41        1.4998    3   0   6         6
                62.12          7.65        1.4941    2   0   8         6
                62.69         11.11        1.4820    2   1   7        12
                63.18          3.96        1.4717    4   0   1         6
                64.37          4.94        1.4474    0   4   2         6
                66.16          1.08        1.4124    3   1   5        12
                66.67          3.25        1.4029    1   1   9        12
                68.29         14.80        1.3734    2   2   6        12
                68.54          2.20        1.3690    1   2   8        12
                69.01          8.31        1.3609    4   0   4         6
                69.54          4.33        1.3518    3   2   1        12
                72.40          2.42        1.3054    0   4   5         6
                75.21          3.05        1.2634    1   3   7        12
                75.86          6.50        1.2542    0   2  10         6
                76.58          3.59        1.2441    1   4   3        12
                76.58          5.78        1.2441    4   1   3        12
                83.45          2.74        1.1584    2   0  11         6
                84.79          1.13        1.1434    2   2   9        12
                86.52          1.70        1.1249    0   4   8         6
                87.03          2.43        1.1197    3   2   7        12
                88.53          1.34        1.1045    4   2   2        12
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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.