Gordaite
Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the single crystal data of R100059
      Adiwidjaja G, Friese K, Klaska K H, Schluter J
      Zeitschrift fur Kristallographie 212 (1997) 704-707
      The crystal structure of gordaite NaZn4(SO4)(OH)6Cl*6H2O
      Locality: San Francisco mine, Sierra Gorda, Chile
      _database_code_amcsd 0011072

      CELL PARAMETERS:   8.3540  8.3540 13.0310   90.000   90.000  120.000
      SPACE GROUP: P-3       

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Zn     0.00000   0.00000   0.86140     1.000     1.863
            Zn     0.58510   0.87150   0.99640     1.000     1.879
            Na     0.66667   0.33333   0.41290     1.000     2.827
            S      0.33333   0.66667   0.22370     1.000     1.919
            Cl     0.00000   0.00000   0.31360     1.000     2.795
            O      0.05880   0.24650   0.09310     1.000     1.824
            O      0.47880   0.37210   0.07090     1.000     1.753
            O      0.43910   0.31590   0.29150     1.000     3.293
            O      0.39470   0.22310   0.52310     1.000     3.474
            O      0.17540   0.49340   0.26070     1.000     2.598
            O      0.33333   0.66667   0.10950     1.000     2.077
            H      0.31300   0.22100   0.86100     1.000     3.948
            H      0.63300   0.11300   0.15300     1.000     3.948
            H      0.31700   0.22900   0.29300     1.000     3.948
            H      0.52900   0.00200   0.27100     1.000     3.948
            H      0.17200   0.41200   0.41800     1.000     3.948
            H      0.06200   0.34500   0.49600     1.000     3.948

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  6 +/-  6 +/- 11
            MAX. ABS. INTENSITY / VOLUME**2:      85.03428255    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 6.78        100.00       13.0310    0   0   1
                13.59          8.17        6.5155    0   0   2
                14.00          2.34        6.3253    0   1   1
                18.32          1.72        4.8415    1   0   2
                20.45          3.15        4.3437    0   0   3
                21.27          3.21        4.1770    1   1   0
                23.89          3.66        3.7240    0   1   3
                25.33          4.63        3.5164    1   1   2
                25.33          2.67        3.5164    2  -1   2
                27.38          2.75        3.2578    0   0   4
                28.22          1.91        3.1626    0   2   2
                29.67          1.89        3.0108    1   1   3
                30.08          4.22        2.9705    0   1   4
                30.08          1.08        2.9705    1   0   4
                32.20          1.09        2.7797    2   0   3
                32.75          4.60        2.7345    2   1   0
                32.75          2.93        2.7345    1   2   0
                33.48          7.44        2.6762   -1   3   1
                33.48          1.36        2.6762    2   1   1
                34.93          1.86        2.5688    2  -1   4
                35.61          8.01        2.5214   -1   3   2
                35.61          1.56        2.5214    3  -1   2
                36.65          1.02        2.4520    1   0   5
                37.14          1.59        2.4208    0   2   4
                37.29          1.02        2.4116    3   0   0
                38.92          3.13        2.3141   -1   3   3
                43.19          2.68        2.0945   -1   3   4
                48.24          1.46        1.8866   -1   3   5
                48.24          1.34        1.8866    3  -1   5
                53.91          2.47        1.7007    2   1   6
                53.91          2.38        1.7007   -1   3   6
                58.46          3.04        1.5788    1   4   0
                58.93          1.33        1.5673    1   4   1
                58.93          1.67        1.5673    5  -1   1
                60.13          1.39        1.5388    2   1   7
                60.13          1.12        1.5388   -1   3   7
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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.