Agardite-(Ce)
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R050541
      Hess H
      Neues Jahrbuch fur Mineralogie, Monatshefte 1983 (1983) 385-392
      Die kristallstruktur des chlorotils, SECu6(AsO4)3(OH)6*3H2O
      (SE = seltene erdmetalle)
      Locality: Clara mine, Black Forest, Baden-Wurttemberg, Germany
      _database_code_amcsd 0014774

      CELL PARAMETERS:  13.2200 13.2200  5.8591   90.000   90.000  120.000
      SPACE GROUP: P6_3/m    

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Ce     0.66667   0.33333   0.25000     0.707     0.708
            Cu     0.41091   0.31377   0.50230     1.000     0.883
            As     0.49393   0.14946   0.75000     1.000     0.596
            O      0.57280   0.17920   0.51720     1.000     1.107
            O      0.39140   0.39900   0.25000     1.000     1.089
            O      0.41320   0.21370   0.75000     1.000     0.947
            OH     0.36920   0.37650   0.75000     1.000     1.064
            OH     0.43880   0.24320   0.25000     1.000     1.491
            Wa     0.16440   0.15510   0.46140     0.500     1.733

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/- 10 +/- 10 +/-  5
            MAX. ABS. INTENSITY / VOLUME**2:      105.6618188    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 7.72        100.00       11.4489    1   0   0
                17.00          1.85        5.2158    1   0   1
                20.25          3.37        4.3846    1   1   1
                20.52         13.63        4.3273    1   2   0
                21.70          4.14        4.0946    2   0   1
                23.31          2.05        3.8163    3   0   0
                25.59         17.41        3.4808    1   2   1
                25.59          2.62        3.4808    2   1   1
                26.98          5.54        3.3050    2   2   0
                28.10          1.16        3.1753    1   3   0
                28.10          7.60        3.1753    3   1   0
                31.07          9.30        2.8786    2   2   1
                31.25         10.00        2.8622    4   0   0
                31.52          1.55        2.8381    1   0   2
                32.06          3.46        2.7917    3   1   1
                33.46          2.69        2.6783    1   1   2
                34.14          5.55        2.6265    2   3   0
                34.14          3.27        2.6265    3   2   0
                35.95         10.59        2.4983    4   1   0
                37.06         16.10        2.4259    1   2   2
                37.06         11.17        2.4259    2   1   2
                37.53          3.59        2.3967    2   3   1
                41.18          1.90        2.1923    2   2   2
                44.04          2.58        2.0563    5   1   0
                44.24          1.28        2.0473    4   0   2
                44.65          1.34        2.0297    2   4   1
                46.43          1.50        1.9556    2   3   2
                48.36          1.88        1.8822    4   3   0
                50.96          1.81        1.7920    4   3   1
                51.33          2.67        1.7801    1   2   3
                51.93          2.73        1.7609    3   3   2
                52.58          4.50        1.7404    2   4   2
                52.58          2.15        1.7404    4   2   2
                54.52          5.53        1.6831    1   5   2
                55.22          1.16        1.6636    3   1   3
                55.62          1.38        1.6525    4   4   0
                56.24          1.28        1.6356    3   5   0
                57.65          4.38        1.5989    6   0   2
                57.99          1.03        1.5905    4   4   1
                58.27          2.83        1.5835    3   4   2
                58.60          1.40        1.5753    3   5   1
                59.48          2.35        1.5541    5   2   2
                61.11          1.50        1.5164    7   1   0
                61.86          3.02        1.4998    6   1   2
                63.51          2.98        1.4648    0   0   4
                64.77          2.94        1.4393    4   4   2
                65.34          1.19        1.4281    7   0   2
                66.89          1.53        1.3987    2   7   0
                66.89          1.02        1.3987    7   2   0
                72.49          1.15        1.3039    4   0   4
                75.19          1.94        1.2636    4   1   4
                79.55          1.21        1.2050    5   5   2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.