Agardite-(Ce)
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern
      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:   13.46313   13.46313   5.914086   90.00000   90.00000   120.0000
      SPACE GROUP: P6_3/m
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      98.07538000
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 3.46        100.00       11.6594    1   0   0
                 7.69          1.79        5.2744    1   0   1
                 9.13          3.32        4.4430    1   1   1
                 9.21         13.77        4.4068    1   2   0
                 9.77          4.09        4.1517    2   0   1
                10.45          2.07        3.8865    3   0   0
                11.49         17.37        3.5337    1   2   1
                11.49          2.61        3.5337    2   1   1
                12.07          5.65        3.3658    2   2   0
                12.57          1.18        3.2337    1   3   0
                12.57          7.75        3.2337    3   1   0
                13.90          9.39        2.9252    2   2   1
                13.95         10.23        2.9149    4   0   0
                14.19          1.51        2.8663    1   0   2
                14.34          3.48        2.8373    3   1   1
                15.03          2.62        2.7073    1   1   2
                15.21          5.69        2.6749    2   3   0
                15.21          3.35        2.6749    3   2   0
                16.00         10.86        2.5443    4   1   0
                16.58         15.86        2.4555    1   2   2
                16.58         11.06        2.4555    2   1   2
                16.71          3.65        2.4372    2   3   1
                18.35          1.90        2.2215    2   2   2
                19.47          2.68        2.0941    5   1   0
                19.65          1.30        2.0759    4   0   2
                19.75          1.37        2.0648    2   4   1
                20.57          1.52        1.9837    2   3   2
                21.30          1.96        1.9168    4   3   0
                22.40          1.87        1.8234    4   3   1
                22.71          2.63        1.7995    1   2   3
                22.86          2.80        1.7875    3   3   2
                23.13          4.61        1.7668    2   4   2
                23.13          2.21        1.7668    4   2   2
                23.93          5.68        1.7090    1   5   2
                24.30          1.45        1.6829    4   4   0
                24.30          1.15        1.6832    3   1   3
                24.56          1.35        1.6656    3   5   0
                25.20          4.47        1.6240    6   0   2
                25.29          1.07        1.6186    4   4   1
                25.45          2.91        1.6084    3   4   2
                25.53          1.46        1.6033    3   5   1
                25.94          2.41        1.5787    5   2   2
                26.53          1.58        1.5443    7   1   0
                26.89          3.13        1.5238    6   1   2
                27.73          2.93        1.4785    0   0   4
                28.04          3.07        1.4626    4   4   2
                28.26          1.24        1.4512    7   0   2
                28.81          1.08        1.4244    7   2   0
                28.81          1.61        1.4244    2   7   0
                31.34          1.04        1.3118    7   3   0
                31.18          1.15        1.3186    4   0   4
                32.19          1.93        1.2783    4   1   4
                33.62          1.26        1.2253    5   5   2
                33.62          1.26        1.2253    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.