Alumoklyuchevskite
      Krivovichev S V, Filatov S K, Cherepansky P N
      Geology of Ore Deposits 51 (2009) 656-662
      The crystal structure of alumoklyuchevskite, K3Cu3AlO2(SO4)4
      Locality: Great Tolbachik Fissure Eruption,
      Kamchatka Peninsula, Russia, 1975-1976
      _database_code_amcsd 0017777

      CELL PARAMETERS:   18.7720   4.9670  18.4680   90.000  101.660   90.000
      SPACE GROUP: I2        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1686.432
      Density (g/cm3):      2.999
      MAX. ABS. INTENSITY / VOLUME**2:      16.25276723    
      RIR:      1.765
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.12          1.37       14.4339   -1   0   1         2
                 7.52         21.84       11.7598    1   0   1         2
                 9.62        100.00        9.1923    2   0   0         2
                 9.78         91.56        9.0434    0   0   2         2
                12.26         51.54        7.2170   -2   0   2         2
                14.29          5.50        6.1972   -3   0   1         2
                14.51          4.49        6.1058   -1   0   3         2
                15.07          8.39        5.8799    2   0   2         2
                16.18          4.13        5.4774    3   0   1         2
                16.37          6.28        5.4140    1   0   3         2
                19.31          2.08        4.5962    4   0   0         2
                19.63          7.00        4.5217    0   0   4         2
                19.82          2.28        4.4793   -4   0   2         2
                21.37          2.72        4.1574    2   1   1         2
                22.68          6.26        3.9199    3   0   3         2
                23.05          3.24        3.8587    3   1   0         2
                23.42         32.23        3.7990    4   0   2         2
                23.62          9.90        3.7671    2   0   4         2
                23.89          2.60        3.7243   -3   1   2         2
                23.98         35.56        3.7117   -2   1   3         2
                24.09          1.99        3.6935   -1   0   5         2
                24.67          1.78        3.6085   -4   0   4         2
                25.68          9.03        3.4690    5   0   1         2
                25.95          2.71        3.4337   -3   0   5         2
                26.05          5.53        3.4208    1   0   5         2
                26.24          7.58        3.3965    3   1   2         2
                26.31          6.27        3.3870    2   1   3         2
                26.37          4.63        3.3799   -1   1   4         2
                27.61          3.12        3.2310    4   1   1         2
                28.33         27.95        3.1498   -4   1   3         2
                28.43          2.95        3.1391   -3   1   4         2
                28.81          6.59        3.0986   -6   0   2         2
                29.14          1.05        3.0641    6   0   0         2
                29.25          2.87        3.0529   -2   0   6         2
                29.63          2.34        3.0145    0   0   6         2
                30.25          5.16        2.9544   -5   1   2         2
                30.53         10.84        2.9281   -2   1   5         2
                32.05          8.89        2.7928   -4   0   6         2
                32.27          7.04        2.7738    4   1   3         2
                32.36         14.51        2.7665    3   1   4         2
                33.39         16.92        2.6833    5   1   2         2
                33.53         17.19        2.6728   -4   1   5         2
                33.65         16.34        2.6636    2   1   5         2
                33.88         12.08        2.6462   -6   1   1         2
                34.05          2.51        2.6331   -1   0   7         2
                34.29          6.23        2.6149   -1   1   6         2
                35.06          7.78        2.5593   -6   1   3         2
                35.38          5.70        2.5373   -3   1   6         2
                35.62         10.15        2.5206    6   1   1         2
                36.17         30.76        2.4835    0   2   0         1
                37.51          1.31        2.3975    2   2   0         2
                37.56          2.12        2.3948    0   2   2         2
                38.27          2.72        2.3520    5   0   5         2
                38.33          2.32        2.3483   -2   2   2         2
                38.69          1.06        2.3275    6   0   4         2
                38.95          6.90        2.3125   -6   1   5         2
                39.03         10.25        2.3080    5   1   4         2
                39.06          2.56        2.3059   -5   1   6         2
                39.07          1.20        2.3053   -3   2   1         2
                39.31          2.04        2.2922    0   1   7         2
                39.94          2.73        2.2573    1   2   3         2
                40.13          1.21        2.2473    7   0   3         2
                40.37          7.59        2.2340   -7   1   4         2
                40.54          2.36        2.2253    3   0   7         2
                40.71          8.14        2.2161   -4   1   7         2
                41.86         10.51        2.1579    7   1   2         2
                43.22          1.24        2.0932   -8   1   3         2
                43.34          2.71        2.0878   -1   1   8         2
                43.54          3.70        2.0787    4   2   2         2
                43.57          1.36        2.0772   -9   0   1         2
                43.65          3.35        2.0735    2   2   4         2
                43.75          3.53        2.0689   -3   1   8         2
                44.52          2.67        2.0353   -3   0   9         2
                44.89          1.28        2.0193    5   2   1         2
                44.94          3.56        2.0171   -6   1   7         2
                45.69          1.33        1.9856    9   0   1         2
                46.08          3.75        1.9700   -8   1   5         2
                46.39          1.70        1.9574    5   1   6         2
                46.44          1.36        1.9555    1   0   9         2
                46.88          1.67        1.9379   -6   2   2         2
                47.09          3.23        1.9300    7   1   4         2
                47.10          1.08        1.9294    6   2   0         2
                47.18          3.08        1.9265   -2   2   6         2
                47.28          1.66        1.9226   -9   1   2         2
                47.43          2.01        1.9168    0   2   6         2
                48.32          2.18        1.8836    5   2   3         2
                48.91          1.50        1.8622   -6   2   4         2
                49.55          1.38        1.8397    6   2   2         2
                49.61          1.36        1.8376  -10   0   4         2
                49.83          1.00        1.8300    2   2   6         2
                50.52          2.66        1.8067   -1   2   7         2
                52.00          1.77        1.7585    1   2   7         2
                52.49          1.81        1.7434   -6   1   9         2
                52.99          1.06        1.7279   -6   2   6         2
                53.17          2.68        1.7226   -1   1  10         2
                54.07          2.15        1.6959  -11   0   1         2
                54.28          1.08        1.6899   -2   2   8         2
                54.39          1.14        1.6867    8   2   0         2
                54.44          1.44        1.6854  -10   1   5         2
                54.63          1.48        1.6800    7   0   7         2
                54.68          1.42        1.6785    8   1   5         2
                55.44          2.76        1.6573    3   2   7         2
                55.99          1.07        1.6423    9   0   5         2
                57.07          1.03        1.6137  -11   1   2         2
                57.87          1.89        1.5933   -9   2   1         2
                58.08          2.42        1.5882   -9   2   3         2
                58.19          1.64        1.5855   -8   0  10         2
                58.45          1.21        1.5790  -10   1   7         2
                58.49          1.33        1.5779    4   0  10         2
                58.50          2.49        1.5777   -1   2   9         2
                58.65          1.01        1.5742   -3   2   9         2
                59.10          2.90        1.5630    3   1  10         2
                60.05          1.47        1.5407   -7   0  11         2
                60.23          4.26        1.5364    1   2   9         2
                60.35          2.58        1.5338   -4   3   3         2
                60.42          1.27        1.5321   12   0   0         2
                62.66          1.82        1.4826    3   3   4         2
                62.92          1.87        1.4772  -10   2   4         2
                63.29          2.34        1.4694    5   3   2         2
                63.32          2.20        1.4687   -3   1  12         2
                63.37          2.04        1.4677   -4   3   5         2
                63.45          2.30        1.4661    2   3   5         2
                63.59          2.12        1.4632   -6   3   1         2
                63.75          1.03        1.4599    3   2   9         2
                64.34          1.27        1.4480   -6   3   3         2
                64.69          1.50        1.4409    6   3   1         2
                65.26          1.34        1.4298   -9   0  11         2
                66.63          1.32        1.4037  -11   2   3         2
                66.80          2.67        1.4005  -11   2   1         2
                66.90          1.45        1.3985   -6   3   5         2
                66.96          1.07        1.3976    5   3   4         2
                67.02          1.55        1.3964   -8   0  12         2
                67.29          1.05        1.3915    7   2   7         2
                68.94          1.16        1.3621    7   3   2         2
                70.74          1.15        1.3318    4   2  10         2
                72.15          1.01        1.3093   -7   2  11         2
                72.32          1.08        1.3065  -12   0  10         2
                76.75          2.09        1.2418    0   4   0         1
                78.09          1.09        1.2238    4   1  13         2
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.