Milarite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern R070464.
      Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D
      American Mineralogist 76 (1991) 1836-1856
      The crystal chemistry of the milarite-group minerals
      sample #25 from Guanajuato
      Note: U(1,2) of WatB/NaB changed to match symmetry constraints

      CELL PARAMETERS:   10.39950   10.39950   13.78388   90.00000   90.00000   120.0000
      SPACE GROUP: P6/mcc
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                 9.84          3.82        9.0062    1   0   0
                12.86         31.33        6.8919    0   0   2
                16.21          7.28        5.4733    1   0   2
                17.06         43.24        5.1997    1   1   0
                19.72         24.65        4.5031    2   0   0
                21.41         47.82        4.1509    1   1   2
                23.61         21.57        3.7698    2   0   2
                25.86         23.04        3.4460    0   0   4
                26.98        100.00        3.3048    2   1   1
                27.72         18.00        3.2184    1   0   4
                29.26          1.69        3.0521    2   1   2
                29.76         27.57        3.0021    3   0   0
                31.13         71.26        2.8724    1   1   4
                32.72         28.12        2.7366    2   0   4
                32.74         15.32        2.7352    2   1   3
                34.49         12.27        2.5999    2   2   0
                35.95          7.87        2.4979    3   1   0
                36.55         12.44        2.4578    3   1   1
                36.95          6.21        2.4325    2   2   2
                39.81          1.35        2.2636    3   0   4
                41.12          5.26        2.1945    3   1   3
                43.03          3.92        2.1014    1   1   6
                43.60          1.67        2.0754    2   2   4
                44.32          3.82        2.0433    3   2   1
                44.80         11.30        2.0224    3   1   4
                46.18          9.40        1.9653    4   1   0
                46.67          3.78        1.9456    4   1   1
                48.13         11.44        1.8900    4   1   2
                48.28          1.67        1.8844    3   2   3
                49.21         16.92        1.8510    3   1   5
                49.97          5.78        1.8244    3   0   6
                50.66         10.30        1.8012    5   0   0
                53.14          6.86        1.7230    0   0   8
                53.18          7.99        1.7215    2   2   6
                53.67          6.45        1.7072    4   1   4
                53.84          1.30        1.7020    4   2   0
                54.18          2.09        1.6923    1   0   8
                54.28          8.57        1.6892    4   2   1
                54.57          1.18        1.6809    3   3   2
                57.22          3.54        1.6092    2   0   8
                57.27          1.44        1.6080    4   0   6
                57.57          1.32        1.6003    4   1   5
                57.73          2.91        1.5963    5   0   4
                57.74          1.32        1.5960    4   2   3
                59.69          5.54        1.5484    3   3   4
                60.21          1.11        1.5362    3   2   6
                60.67          1.67        1.5258    5   1   3
                62.08          5.30        1.4944    3   0   8
                63.39          4.05        1.4667    6   0   2
                64.29          7.02        1.4482    4   2   5
                64.59         10.80        1.4422    5   2   0
                64.89          5.59        1.4362    2   2   8
                64.99          1.61        1.4343    5   2   1
                66.29          1.32        1.4093    4   3   3
                66.97          2.01        1.3967    2   1   9
                67.27          1.91        1.3910    4   1   7
                67.68          1.02        1.3836    3   3   6
                68.10          5.30        1.3761    6   0   4
                68.64          1.99        1.3667    6   1   1
                70.66          2.86        1.3324    1   1  10
                70.79          2.62        1.3303    5   2   4
                72.33          9.86        1.3057    3   1   9
                73.58          1.80        1.2866    7   0   0
                74.20          1.06        1.2774    4   4   2
                76.18          1.70        1.2489    6   2   0
                76.55          3.51        1.2438    6   2   1
                77.62          3.14        1.2293    6   1   5
                78.22          4.53        1.2214    5   2   6
                78.50          1.04        1.2178    2   2  10
                78.61          6.22        1.2163    4   4   4
                79.04          1.95        1.2109    4   2   8
                79.47          1.31        1.2053    7   0   4
                79.48          3.54        1.2052    6   2   3
                81.87          1.88        1.1759    2   1  11
                82.02          1.02        1.1742    6   2   4
                85.18          3.76        1.1385    4   2   9
                86.23          1.55        1.1273    7   1   4
                86.64          1.39        1.1230    4   3   8
                88.32          7.36        1.1059    5   2   8
                88.32          7.36        1.1059    5   2   8
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.