Ondrusite
Diffraction data computed using the structure from the paper listed below,  along with the cell parameters refined from single crystal data of R141029
      Sejkora J, Plasil J, Veselovsky F, Cisarova I, Hlousek J
      The Canadian Mineralogist 49 (2011) 885-897
      Ondrusite, CaCu4(AsO4)2(AsO3OH)2*10H2O, a new mineral species from the
      Jachymov ore district, Czech Republic: Description and crystal-structure determination
      Locality: Jachymov (St. Joachimsthal) ore district, Czech Republic
      _database_code_amcsd 0018389

      CELL PARAMETERS:   6.4390  7.9830 10.8200   85.840   81.640   84.920
      SPACE GROUP: P-1       

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Ca     0.50000   0.00000   0.00000     1.000     2.613
            Cu     0.38910   0.36670   0.44060     1.000     1.990
            Cu     0.89360  -0.07450   0.40596     1.000     1.942
            As    -0.08720   0.38181   0.37135     1.000     1.824
            As     0.41540  -0.01774   0.34141     1.000     1.761
            O     -0.00490   0.51650   0.25470     1.000     2.763
            O     -0.32840   0.43510   0.45410     1.000     2.053
            O      0.09000   0.32780   0.46680     1.000     1.737
            O     -0.12840   0.20350   0.30260     1.000     2.211
            O      0.39350  -0.09170   0.20400     1.000     2.132
            O      0.18370  -0.03740   0.43710     1.000     1.816
            O      0.60610  -0.13210   0.40650     1.000     2.369
            O      0.46680   0.18760   0.31800     1.000     2.132
            Wa     0.98050  -0.15260   0.23690     1.000     2.527
            Wa     0.41400   0.54580   0.23660     1.000     3.316
            Wa     0.79800   0.10200   0.04840     1.000     4.343
            Wa     0.32000   0.24810   0.06670     1.000     4.422
            Wa     0.23300   0.54390   0.93370     1.000     4.106
            H     -0.26870   0.22240   0.27850     1.000     3.948

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  5 +/-  7 +/-  9
            MAX. ABS. INTENSITY / VOLUME**2:      72.19074064    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 8.27        100.00       10.6854    0   0   1
                11.15          4.68        7.9371    0   1   0
                13.49          1.03        6.5647    0   1   1
                14.30          1.70        6.1946    0  -1   1
                16.59          1.72        5.3427    0   0   2
                17.18          1.94        5.1617    1   1   0
                19.83          1.70        4.4780    1  -1   1
                20.59          1.39        4.3128    0  -1   2
                22.40          6.78        3.9685    0   2   0
                23.44          1.95        3.7960    0   2   1
                24.12          2.24        3.6899    1  -1   2
                24.39          7.67        3.6488    0  -2   1
                25.00          4.13        3.5618    0   0   3
                25.86          1.95        3.4456   -1   1   2
                27.17          6.13        3.2824    0   2   2
                28.07          5.82        3.1785    0  -1   3
                28.10          2.19        3.1753    2   0   0
                28.18          2.42        3.1671    2   0   1
                28.51          1.59        3.1303    1  -2   1
                28.82          5.39        3.0973    0  -2   2
                29.46          1.72        3.0320    2   1   0
                30.25          3.60        2.9547    1  -1   3
                30.47         10.92        2.9338   -2   0   1
                30.68          7.71        2.9145    2   0   2
                31.90          1.19        2.8054    1  -2   2
                32.37          2.70        2.7659   -1   1   3
                32.66          1.17        2.7420   -1  -1   3
                32.75          6.79        2.7343    0   2   3
                33.88          1.03        2.6457    0   3   0
                34.48          4.99        2.6013    2   2   1
                34.85          1.03        2.5744    0  -2   3
                35.13          2.58        2.5543    2   0   3
                35.44          2.81        2.5326    0  -3   1
                36.26          2.15        2.4772    2   2   2
                37.65          2.25        2.3890   -2   2   0
                38.38          1.80        2.3455   -1  -2   3
                39.20          1.07        2.2980   -2   2   1
                39.51          2.22        2.2810    0   2   4
                40.32          1.29        2.2368   -1  -1   4
                43.27          1.29        2.0909    1   1   5
                46.01          1.28        1.9725    0   4   1
                48.45          1.57        1.8787   -2  -3   2
                56.33          1.00        1.6332    1  -4   3
                57.48          1.90        1.6034    4   0   1
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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.