Kostylevite
      Ilyukhin V V, Khomyakov A P, Shumyatskaya N G, Voronkov A A, Nevskii N N,
      Belov N V
      Soviet Physics Doklady 26 (1981) 118-120
      The crystal structure of the new natural zirconosilicate K4Zr2Si6O18*2H2O
      Locality: Khibinsk massif, Kola Peninsula, Russia
      Note: dimorphic with umbite
      Note: y(O7) corrected
      _database_code_amcsd 0015609

      CELL PARAMETERS:    6.5650  13.1710  11.7270   90.000   90.000  105.260
      SPACE GROUP: P2_1/b    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    978.253
      Density (g/cm3):      2.837
      MAX. ABS. INTENSITY / VOLUME**2:      7.057134056    
      RIR:      0.810
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.26         39.52        8.6178    0   1   1         4
                13.94         51.68        6.3533    0   2   0         2
                13.98         36.09        6.3335    1   0   0         2
                15.11         66.59        5.8635    0   0   2         2
                15.86         41.23        5.5862    0   2   1         4
                15.90         89.79        5.5727    1   0   1         4
                16.65          6.37        5.3240    0   1   2         4
                16.97         61.30        5.2255   -1   2   0         2
                18.59          6.34        4.7731   -1   2   1         4
                20.61         21.60        4.3089    0   2   2         4
                20.64          9.97        4.3027    1   0   2         4
                22.32         27.93        3.9837    0   3   1         4
                23.55          3.01        3.7781    1   2   1         4
                23.82         19.14        3.7362    0   1   3         4
                25.95         30.31        3.4334    0   3   2         4
                26.75          2.05        3.3329    1  -1   3         4
                26.76         10.16        3.3308   -1   3   2         4
                26.78         16.72        3.3293    0   2   3         4
                26.80         46.73        3.3264    1   0   3         4
                27.03         17.77        3.2992    1   2   2         4
                27.91          1.92        3.1966   -1   4   0         2
                27.98          9.79        3.1891   -2   2   0         2
                28.18          7.73        3.1668    2   0   0         2
                28.23          2.60        3.1607    2  -1   1         4
                28.52          2.93        3.1301   -1   2   3         4
                28.66         32.69        3.1143    1   1   3         4
                28.95         75.60        3.0841   -1   4   1         4
                29.02         38.97        3.0773    2  -2   1         4
                29.12         27.01        3.0661    0   4   1         4
                29.21        100.00        3.0573    2   0   1         4
                29.29          5.52        3.0490    1   3   1         4
                30.49         27.50        2.9318    0   0   4         2
                31.13          2.41        2.8726    0   3   3         4
                31.31         50.29        2.8567    0   1   4         4
                31.83          2.35        2.8117   -1   3   3         4
                31.89          1.41        2.8066   -1   4   2         4
                31.95         20.32        2.8015    2  -2   2         4
                32.04         62.02        2.7931    0   4   2         4
                32.05          2.62        2.7926    1   2   3         4
                32.12          2.20        2.7864    2   0   2         4
                33.64          9.29        2.6638    1  -1   4         4
                33.67          1.40        2.6620    0   2   4         4
                33.69          8.18        2.6605    1   0   4         4
                34.18         11.44        2.6234   -2   3   2         4
                34.32          4.59        2.6128   -2   4   0         2
                34.51         35.80        2.5987    2   1   2         4
                34.77         17.45        2.5804    1   4   0         2
                35.10         14.91        2.5568   -1   2   4         4
                35.26         10.29        2.5455   -1   5   1         4
                35.63         12.07        2.5201    1   4   1         4
                35.72          1.10        2.5136    2  -1   3         4
                36.17          6.65        2.4837    0   5   1         4
                36.30          1.50        2.4746   -1   4   3         4
                36.36          3.48        2.4710    2  -2   3         4
                36.45          7.56        2.4653    0   4   3         4
                36.52          1.40        2.4606    2   0   3         4
                36.58          8.18        2.4563    1   3   3         4
                37.69          8.71        2.3866   -2   4   2         4
                37.76          5.41        2.3826   -1   5   2         4
                38.10          1.82        2.3618    1   4   2         4
                38.15          7.76        2.3587    2   2   2         4
                38.36         12.77        2.3462   -2   3   3         4
                38.67          4.50        2.3285    2   1   3         4
                41.00          2.21        2.2013    1  -1   5         4
                41.02          8.65        2.2003    0   2   5         4
                41.04          1.40        2.1994    1   0   5         4
                41.36          5.45        2.1827   -3   2   0         2
                41.93          3.54        2.1544    0   4   4         4
                41.95          1.07        2.1535    1   4   3         4
                41.98          6.78        2.1520   -1   6   1         4
                42.11          1.72        2.1459    3  -2   1         4
                42.24          1.25        2.1398   -1   2   5         4
                42.34          1.34        2.1347    1   1   5         4
                42.70          1.52        2.1178    0   6   0         2
                42.78          1.61        2.1139    2   3   2         4
                42.83         12.39        2.1112    3   0   0         2
                43.25          8.37        2.0919    3  -3   1         4
                43.42         16.49        2.0841    0   6   1         4
                43.56          6.59        2.0778    3   0   1         4
                43.92          2.60        2.0614    2   1   4         4
                44.14          2.05        2.0518    0   3   5         4
                44.28          1.74        2.0456    3  -2   2         4
                44.53          3.40        2.0346    1   5   2         4
                44.65         15.00        2.0293   -1   3   5         4
                44.79          6.60        2.0236   -2   6   0         2
                44.86          5.50        2.0204   -3   4   0         2
                45.45          5.56        1.9954    2   4   0         2
                45.48          1.20        1.9942   -2   6   1         4
                45.67          5.94        1.9863    3   0   2         4
                46.05          1.01        1.9708    3   1   1         4
                46.14          1.45        1.9672    2   4   1         4
                46.31          1.06        1.9606    2   3   3         4
                46.46          1.88        1.9545    0   0   6         2
                46.61          1.55        1.9484   -1   5   4         4
                46.91          1.15        1.9370    1   4   4         4
                47.04         15.69        1.9318    0   1   6         4
                47.60          7.36        1.9102   -3   4   2         4
                47.61          8.25        1.9101   -1   6   3         4
                47.66         14.17        1.9083    2  -1   5         4
                47.72          3.01        1.9058    3  -2   3         4
                47.82          2.06        1.9022    3  -1   3         4
                47.96          2.73        1.8969    1   5   3         4
                48.12          4.84        1.8910   -1   4   5         4
                48.29          2.24        1.8848    2   0   5         4
                48.34          2.00        1.8828    1   3   5         4
                48.73          1.02        1.8687    1  -1   6         4
                48.76          2.41        1.8677    3  -3   3         4
                48.76          2.78        1.8676    1   0   6         4
                48.80          1.70        1.8662    1   6   0         2
                48.91          4.40        1.8621    0   6   3         4
                49.05          1.63        1.8573   -1   7   1         4
                49.57          6.23        1.8391    3   2   1         4
                49.78          2.23        1.8319   -2   3   5         4
                49.90          5.10        1.8275    1   1   6         4
                50.02          7.60        1.8234    2   1   5         4
                50.44          5.01        1.8093   -2   5   4         4
                50.81          2.02        1.7971   -2   6   3         4
                50.93          1.98        1.7930    2   3   4         4
                50.99          2.08        1.7911   -1   7   2         4
                51.33          1.26        1.7800    3   1   3         4
                51.38          5.42        1.7783    1   6   2         4
                51.41          9.91        1.7773    2   4   3         4
                51.49          1.13        1.7748    3   2   2         4
                51.49          5.28        1.7747    0   3   6         4
                51.61          3.11        1.7708   -2   7   1         4
                51.95          1.36        1.7600   -1   3   6         4
                52.10          1.05        1.7553    1   2   6         4
                52.14          1.20        1.7541   -1   6   4         4
                52.25          4.51        1.7508    3  -2   4         4
                52.34          5.45        1.7480    3  -1   4         4
                52.42          1.26        1.7453   -2   4   5         4
                52.47          5.51        1.7439    1   5   4         4
                52.47          8.33        1.7438   -1   5   5         4
                52.54          6.59        1.7418   -3   6   0         2
                52.78          2.67        1.7344    2   2   5         4
                53.14         10.85        1.7236    0   5   5         4
                53.49          6.61        1.7132    3   0   4         4
                53.95          3.35        1.6994    3   3   1         4
                54.11          6.19        1.6950   -1   7   3         4
                54.59          3.46        1.6811    3   2   3         4
                54.99          7.34        1.6697   -3   6   2         4
                55.18          3.77        1.6647    0   4   6         4
                55.23          1.02        1.6632    2   0   6         4
                55.28          9.58        1.6619    1   3   6         4
                55.64          5.24        1.6518    3   1   4         4
                55.84          1.65        1.6464    0   7   3         4
                55.85          5.91        1.6462   -1   8   0         2
                56.04         12.70        1.6411   -4   2   0         2
                56.44          7.57        1.6303   -1   8   1         4
                56.51          1.77        1.6285   -2   7   3         4
                56.58          3.42        1.6265   -2   3   6         4
                56.81          1.34        1.6206    2   1   6         4
                56.82          1.51        1.6203    1  -1   7         4
                57.68          2.66        1.5983   -2   8   0         2
                57.88          3.45        1.5932    1   1   7         4
                57.90          1.43        1.5926    1   5   5         4
                58.21          1.20        1.5850   -1   8   2         4
                58.27          3.81        1.5834    4   0   0         2
                58.39          3.52        1.5803    4  -2   2         4
                58.41          4.01        1.5800    4  -4   1         4
                58.46          1.00        1.5788    2   6   0         2
                58.52          1.30        1.5773    3   4   0         2
                58.62          2.96        1.5747    1   7   2         4
                58.64          1.57        1.5743    1   6   4         4
                58.65          4.05        1.5740    0   8   1         4
                58.74          1.06        1.5718    0   6   5         4
                58.85          2.11        1.5691    3   0   5         4
                59.10          4.18        1.5632    3   4   1         4
                59.74          2.00        1.5479   -1   3   7         4
                59.88          2.99        1.5447    1   2   7         4
                59.92          2.37        1.5438   -3   7   2         4
                59.99          2.20        1.5420   -2   8   2         4
                60.14          1.46        1.5387    4  -4   2         4
                60.75          2.19        1.5245    2   6   2         4
                60.81          1.15        1.5231    3   4   2         4
                60.89          1.52        1.5215    3   1   5         4
                61.08          3.84        1.5172   -1   8   3         4
                61.22          2.21        1.5139    2   5   4         4
                61.39          2.10        1.5101    4   1   1         4
                61.63          1.21        1.5049    4  -3   3         4
                62.22          5.42        1.4921    2  -1   7         4
                62.35          2.53        1.4892   -2   5   6         4
                62.60          2.49        1.4839   -1   4   7         4
                62.78          1.58        1.4801    2   3   6         4
                62.95          1.64        1.4764    4  -4   3         4
                63.07          2.51        1.4739    4   1   2         4
                63.34          1.37        1.4684   -3   8   0         2
                63.39          1.22        1.4674   -1   7   5         4
                63.61          4.83        1.4627    3   4   3         4
                63.73          3.11        1.4603    1   6   5         4
                63.89          5.47        1.4570   -3   8   1         4
                63.93          2.07        1.4562    0   1   8         4
                63.97          1.95        1.4554   -4   6   1         4
                64.00          3.55        1.4548   -2   3   7         4
                64.13          2.70        1.4521    1   5   6         4
                64.19          1.74        1.4509   -1   9   1         4
                64.21          3.05        1.4505    2   1   7         4
                64.64          2.21        1.4420    1   8   1         4
                64.79          6.01        1.4389    3  -3   6         4
                64.81          1.19        1.4385    4   2   1         4
                64.91          2.57        1.4365    3   5   1         4
                65.14          2.37        1.4320    4  -2   4         4
                65.32          1.61        1.4286    1  -1   8         4
                65.36          1.70        1.4278    1   7   4         4
                65.50          3.39        1.4250    4  -3   4         4
                65.53          1.85        1.4244   -3   8   2         4
                65.57          1.19        1.4236   -2   7   5         4
                65.61          1.22        1.4229   -4   6   2         4
                65.71          4.45        1.4210    4  -1   4         4
                66.27          3.25        1.4104    1   8   2         4
                66.29          1.33        1.4099    1   1   8         4
                66.32          3.05        1.4095   -1   5   7         4
                66.44          2.10        1.4071    4   2   2         4
                66.57          1.48        1.4048   -3   4   6         4
                66.57          4.37        1.4046   -3   7   4         4
                66.65          2.00        1.4033   -2   8   4         4
                66.89          2.99        1.3987    0   5   7         4
                67.37          2.19        1.3901    2   6   4         4
                67.60          3.24        1.3857    3   3   5         4
                67.63          1.42        1.3853    0   3   8         4
                68.02          1.09        1.3783   -1   3   8         4
                68.15          1.48        1.3760    1   2   8         4
                68.30          1.04        1.3732   -4   6   3         4
                68.52          1.13        1.3695   -1   9   3         4
                69.12          2.25        1.3591    4   2   3         4
                69.22          2.20        1.3574    3   5   3         4
                69.22          6.43        1.3572   -3   5   6         4
                69.80          1.81        1.3474   -1   8   5         4
                70.83          1.26        1.3303    3   6   0         2
                70.98          1.59        1.3279    0   9   3         4
                71.36          3.98        1.3218    3   6   1         4
                71.43          1.58        1.3206   -2   7   6         4
                71.77          3.66        1.3151    0   8   5         4
                71.82          1.29        1.3143   -1  10   0         2
                71.99          1.06        1.3117   -4   6   4         4
                72.03          1.77        1.3111    2   5   6         4
                72.20          1.94        1.3085   -1   9   4         4
                72.79          1.42        1.2993    4   2   4         4
                72.85          3.66        1.2984   -4   8   1         4
                72.92          1.76        1.2973    3   6   2         4
                73.37          1.64        1.2905   -2   6   7         4
                73.42          1.72        1.2896   -3   4   7         4
                73.66          3.02        1.2860   -4   5   5         4
                73.79          1.06        1.2841    3   1   7         4
                73.86          3.63        1.2831    2   4   7         4
                73.90          1.18        1.2824    2   8   1         4
                74.21          1.39        1.2778   -1   5   8         4
                74.47          1.50        1.2741    2   2   8         4
                75.49          2.80        1.2594    3   6   3         4
                76.01          1.01        1.2521    4  -3   6         4
                76.08          1.88        1.2510   -1   7   7         4
                76.20          1.16        1.2493    4  -1   6         4
                76.55          2.57        1.2446   -3   8   5         4
                76.72          2.59        1.2422    5  -2   3         4
                76.86          1.93        1.2403   -1   3   9         4
                77.01          1.18        1.2382   -3   7   6         4
                77.19          1.16        1.2358   -3  10   1         4
                77.36          2.21        1.2335   -5   6   1         4
                77.49          2.24        1.2318    3   5   5         4
                78.69          1.38        1.2160    3  -1   8         4
                78.80          1.28        1.2146    1   5   8         4
                79.85          2.03        1.2012    4   1   6         4
                80.26          1.24        1.1961    5  -2   4         4
                80.40          1.75        1.1944   -4   7   5         4
                80.69          1.99        1.1908   -2   3   9         4
                80.88          1.51        1.1885    2   1   9         4
                81.40          1.14        1.1822    3   1   8         4
                81.51          1.46        1.1809    2   8   4         4
                82.17          1.06        1.1731   -4   6   6         4
                82.23          1.30        1.1724    5   1   3         4
                82.36          1.75        1.1708   -1   9   6         4
                82.44          2.19        1.1699    3   7   3         4
                82.48          1.12        1.1694   -3   9   5         4
                83.26          1.24        1.1605    5   2   2         4
                83.94          1.36        1.1528    1   6   8         4
                84.78          1.51        1.1435    1   1  10         4
                84.95          1.45        1.1416    1   9   5         4
                85.49          1.18        1.1358    1  10   3         4
                85.62          1.17        1.1345   -2   7   8         4
                86.02          1.32        1.1302    0   3  10         4
                86.07          1.93        1.1296    2   3   9         4
                86.19          1.18        1.1284    2   5   8         4
                87.03          1.22        1.1197   -1   6   9         4
                89.06          1.25        1.0993    1   3  10         4
                89.48          1.31        1.0953    3   5   7         4
                89.85          1.53        1.0916    3   1   9         4
                89.88          1.01        1.0914    1   7   8         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.