Zippeite
      Burns P C, Deely K M, Hayden L A
      The Canadian Mineralogist 41 (2003) 687-706
      The crystal chemistry of the zippeite group
      _database_code_amcsd 0005847

      CELL PARAMETERS:    8.7524  13.9197  17.6972   90.000  104.178   90.000
      SPACE GROUP: C2        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2090.389
      Density (g/cm3):      4.774
      MAX. ABS. INTENSITY / VOLUME**2:      161.6964083    
      RIR:     11.028
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.31         19.06        8.5791    0   0   2         2
                12.23          1.34        7.2394   -1   1   1         2
                12.72        100.00        6.9598    0   2   0         1
                14.23          1.19        6.2246    1   1   1         2
                16.40         12.36        5.4049    0   2   2         2
                20.71          8.40        4.2895    0   0   4         2
                20.94          4.38        4.2429    2   0   0         2
                20.96          4.97        4.2380   -2   0   2         2
                23.04          5.34        3.8605    1   3   1         2
                24.38          5.99        3.6517    0   2   4         2
                24.57          5.94        3.6228    2   2   0         2
                24.59          7.13        3.6197   -2   2   2         2
                25.32          1.04        3.5177   -1   3   3         2
                25.60         21.66        3.4799    0   4   0         1
                25.60         19.45        3.4796    2   0   2         2
                25.66         17.98        3.4715   -2   0   4         2
                27.66          3.26        3.2247    0   4   2         2
                28.68         35.12        3.1123    2   2   2         2
                28.74         36.11        3.1065   -2   2   4         2
                31.28         14.95        2.8597    0   0   6         2
                33.14          1.26        2.7036    2   0   4         2
                33.15          2.82        2.7025    0   4   4         2
                33.30          1.34        2.6907    2   4   0         2
                33.31          1.46        2.6894   -2   4   2         2
                33.89         14.84        2.6451    0   2   6         2
                34.71          2.72        2.5848    1   5   1         2
                36.31          1.46        2.4739   -1   5   3         2
                36.52          6.13        2.4606    2   4   2         2
                36.56          6.87        2.4577   -2   4   4         2
                38.82          2.58        2.3199    0   6   0         1
                40.27          2.13        2.2395    0   6   2         2
                40.84          9.37        2.2094    0   4   6         2
                41.26          7.98        2.1881   -4   0   2         2
                41.48          1.64        2.1770   -1   5   5         2
                42.21          2.11        2.1408    2   0   6         2
                42.31          2.14        2.1363   -2   0   8         2
                42.62          1.59        2.1214    4   0   0         2
                42.67          1.16        2.1190   -4   0   4         2
                43.35          6.68        2.0874   -4   2   2         2
                44.19          1.39        2.0497    0   2   8         2
                44.27          2.98        2.0462    2   2   6         2
                44.35          3.26        2.0423   -2   2   8         2
                44.51          1.19        2.0355    2   6   0         2
                44.52          1.20        2.0350   -2   6   2         2
                44.65          2.23        2.0293    4   2   0         2
                44.70          1.44        2.0271   -4   2   4         2
                45.75          1.12        1.9830   -3   5   3         2
                46.55          1.12        1.9511    4   0   2         2
                46.64          1.26        1.9472   -4   0   6         2
                47.08          5.40        1.9303    2   6   2         2
                47.12          5.90        1.9289   -2   6   4         2
                47.56          3.03        1.9120    1   7   1         2
                48.45          1.08        1.8786    4   2   2         2
                48.55          1.30        1.8752   -4   2   6         2
                48.81          1.10        1.8658   -1   7   3         2
                49.19          6.10        1.8523   -4   4   2         2
                50.02          1.37        1.8234    2   4   6         2
                50.10          1.43        1.8206   -2   4   8         2
                50.67          3.68        1.8016    0   6   6         2
                51.26          1.81        1.7821    3   5   3         2
                52.30          2.62        1.7494    2   0   8         2
                52.40          2.37        1.7463   -2   0  10         2
                52.60          1.72        1.7400    0   8   0         1
                52.61          3.24        1.7398    4   0   4         2
                52.74          3.00        1.7357   -4   0   8         2
                52.99          1.81        1.7281   -1   7   5         2
                54.05          4.36        1.6966    2   2   8         2
                54.15          4.16        1.6938   -2   2  10         2
                54.35          4.05        1.6879    4   2   4         2
                54.48          3.97        1.6841   -4   2   8         2
                55.13          1.75        1.6659    0   2  10         2
                56.60          1.44        1.6261   -3   7   3         2
                57.93          2.36        1.5918   -4   6   2         2
                59.11          2.68        1.5630    2   4   8         2
                59.20          2.86        1.5608   -2   4  10         2
                59.39          1.36        1.5562    2   8   2         2
                59.39          2.50        1.5561    4   4   4         2
                59.42          1.29        1.5555   -2   8   4         2
                59.51          2.85        1.5532   -4   4   8         2
                61.41          1.56        1.5098    1   9   1         2
                61.41          1.26        1.5097    3   7   3         2
                62.48          1.83        1.4864    0   8   6         2
                62.80          1.09        1.4796    1   7   7         2
                66.07          1.54        1.4142   -1   9   5         2
                66.79          1.56        1.4006    0   2  12         2
                67.00          1.67        1.3968    2   6   8         2
                67.09          1.70        1.3952   -2   6  10         2
                67.27          1.32        1.3919    4   6   4         2
                67.38          1.34        1.3898   -4   6   8         2
                67.59          1.92        1.3860    6   2   0         2
                67.68          1.94        1.3844   -6   2   6         2
                68.95          1.72        1.3619   -4   8   2         2
                69.26          1.29        1.3567   -3   9   3         2
                71.31          1.35        1.3226    0   4  12         2
                72.09          1.00        1.3102    6   4   0         2
                73.61          1.01        1.2868    3   9   3         2
                81.51          1.03        1.1809    4   2  10         2
                81.72          1.00        1.1784   -4   2  14         2
                84.73          1.10        1.1441    6   2   6         2
                84.97          1.01        1.1415   -6   2  12         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.