Claringbullite
      Diffraction data computed using the structure from the paper listed below, 
      along with the cell parameters refined from single crystal data of R090016
      Burns P C, Cooper M A, Hawthorne F C
      The Canadian Mineralogist 33 (1995) 633-639
      Claringbullite: A Cu oxysalt with Cu in trigonal-prismatic coordination
      _database_code_amcsd 0005432

      CELL PARAMETERS:   6.6720  6.6720  9.2060   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Cu     0.50000   0.00000   0.00000     1.000     1.148
            Cu     0.37110   0.74220   0.75000     0.330     0.661
            H      0.12500   0.87500   0.86800     1.000     1.579
            Cl     0.66667   0.33333   0.75000     1.000     1.885
            Cl     0.00000   0.00000   0.75000     1.000     3.440
            O      0.20170   0.79830   0.90820     1.000     0.833

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  5 +/-  5 +/-  8
            MAX. ABS. INTENSITY / VOLUME**2:      38.45868943    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                15.33         61.09        5.7781    1   0   0
                18.13         29.93        4.8940    1   0   1
                19.28         18.76        4.6030    0   0   2
                24.73         17.63        3.6003    1   0   2
                26.72          3.25        3.3360    1   1   0
                30.95         33.22        2.8891    2   0   0
                32.48          1.61        2.7565    2   0   1
                33.17        100.00        2.7012    1   1   2
                36.73         72.32        2.4470    2   0   2
                39.14         17.77        2.3015    0   0   4
                41.34          1.09        2.1839    2   1   0
                42.27          8.84        2.1381    1   0   4
                43.00          8.64        2.1035    2   0   3
                46.00          2.29        1.9731    2   1   2
                48.03          3.07        1.8944    1   1   4
                50.71         30.88        1.8001    2   0   4
                51.43         20.20        1.7768    3   0   2
                55.06         27.35        1.6680    2   2   0
                56.40          1.99        1.6313    3   0   3
                57.51          2.77        1.6026    3   1   0
                58.24          9.87        1.5842    2   1   4
                58.89          6.78        1.5682    2   2   2
                61.24          4.17        1.5135    3   1   2
                64.51          4.68        1.4445    4   0   0
                67.15          6.47        1.3940    1   1   6
                68.02         10.39        1.3783    4   0   2
                69.35         13.03        1.3551    2   0   6
                69.61         13.65        1.3506    2   2   4
                71.12          1.98        1.3256    3   2   0
                71.77          1.01        1.3151    3   1   4
                74.49          1.88        1.2738    3   2   2
                75.77          2.44        1.2555    2   1   6
                78.11          4.68        1.2235    4   0   4
                78.62          1.32        1.2169    3   2   3
                78.68          4.39        1.2161    4   1   2
                79.94          2.00        1.2001    3   0   6
                84.12          1.78        1.1508    0   0   8
                89.82          1.25        1.0920    4   2   0
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.