Shlykovite
      Zubkova N V, Filinchuk Y E, Pekov I V, Pushcharovsky D Y, Gobechiya E R
      European Journal of Mineralogy 22 (2010) 547-555
      Crystal structures of shlykovite and cryptophyllite: comparative crystal
      chemistry of phyllosilicate minerals of the mountainite family
      Locality: Mount Rasvumchorr, Khibiny alkaline intrusion, Kola Peninsula, Russia
      _database_code_amcsd 0017556

      CELL PARAMETERS:    6.4897   6.9969  26.7140   90.000   94.597   90.000
      SPACE GROUP: P2_1/c    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1209.121
      Density (g/cm3):      2.263
      MAX. ABS. INTENSITY / VOLUME**2:      8.205805419    
      RIR:      1.181
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.64        100.00       13.3140    0   0   2         2
                13.30         57.69        6.6570    0   0   4         2
                13.69         19.58        6.4688    1   0   0         2
                14.30          7.14        6.1937    0   1   2         4
                14.74          5.82        6.0109   -1   0   2         2
                15.70          2.22        5.6433    1   0   2         2
                16.13          2.32        5.4949    0   1   3         4
                18.34          8.96        4.8371   -1   0   4         2
                18.68          1.49        4.7499    1   1   0         4
                18.78          6.08        4.7244   -1   1   1         4
                19.17          1.37        4.6292    1   1   1         4
                19.89          2.59        4.4639    1   0   4         2
                20.01          2.57        4.4380    0   0   6         2
                20.22          1.40        4.3926    1   1   2         4
                20.68          1.47        4.2944   -1   1   3         4
                21.73         11.08        4.0890    1   1   3         4
                22.34         14.24        3.9788   -1   1   4         4
                23.38          8.60        3.8046   -1   0   6         2
                23.64          7.84        3.7633    1   1   4         4
                25.23         32.99        3.5300    1   0   6         2
                25.46          2.89        3.4985    0   2   0         2
                25.68          7.06        3.4686    0   2   1         4
                26.67          7.51        3.3420    0   1   7         4
                26.78         26.20        3.3285    0   0   8         2
                27.58          1.33        3.2344    2   0   0         2
                27.86          7.54        3.2024   -2   0   2         2
                28.32          8.08        3.1516    1   1   6         4
                28.83          3.65        3.0968    0   2   4         4
                28.93          1.75        3.0868    2   0   2         2
                29.08         17.37        3.0703   -1   2   1         4
                29.17          2.10        3.0612   -1   0   8         2
                29.34         16.91        3.0437    1   2   1         4
                29.54          4.24        3.0236   -1   2   2         4
                29.72          1.18        3.0057    0   1   8         4
                29.73         18.43        3.0054   -2   0   4         2
                30.05          2.49        2.9734    1   2   2         4
                30.38         19.04        2.9424   -1   2   3         4
                30.39          5.19        2.9416   -2   1   1         4
                30.57         12.37        2.9240    0   2   5         4
                30.70         21.03        2.9119   -2   1   2         4
                30.88         14.04        2.8954    2   1   1         4
                30.97          1.60        2.8874    1   1   7         4
                31.12         21.65        2.8738    1   2   3         4
                31.56          1.32        2.8347   -1   2   4         4
                31.68          4.08        2.8241    2   1   2         4
                31.91          4.39        2.8045   -1   1   8         4
                32.42          1.36        2.7615   -2   1   4         4
                32.52          1.53        2.7536    1   2   4         4
                32.59          2.20        2.7475    0   2   6         4
                32.93          5.68        2.7197   -2   0   6         2
                33.06          6.42        2.7096   -1   2   5         4
                33.66          1.15        2.6628    0   0  10         2
                33.78          2.60        2.6535    1   1   8         4
                34.20          3.74        2.6215    1   2   5         4
                34.84          3.93        2.5752   -1   2   6         4
                34.84          2.45        2.5750    0   2   7         4
                35.41          1.35        2.5349   -2   1   6         4
                35.41          5.25        2.5349   -1   0  10         2
                35.63          1.24        2.5195    2   0   6         2
                35.99          2.91        2.4955    2   1   5         4
                36.09          7.86        2.4887    0   1  10         4
                36.72          1.30        2.4475    1   1   9         4
                36.86          8.80        2.4383   -1   2   7         4
                37.29          1.32        2.4115    0   2   8         4
                37.96          1.12        2.3705    2   1   6         4
                38.24          2.27        2.3533    2   2   1         4
                38.67          1.54        2.3287   -2   2   3         4
                39.77          1.52        2.2665    1   1  10         4
                39.91          5.01        2.2591    0   2   9         4
                40.14          2.22        2.2465    2   1   7         4
                40.41          5.14        2.2319    2   0   8         2
                40.68          1.61        2.2181   -2   2   5         4
                41.00          1.09        2.2011    0   3   4         4
                41.19          1.68        2.1915   -1   3   1         4
                41.38          1.60        2.1818    1   3   1         4
                41.74          1.03        2.1642   -2   1   9         4
                41.90          2.34        2.1563    3   0   0         2
                41.91          1.70        2.1555    1   3   2         4
                42.92          1.03        2.1072    1   1  11         4
                43.05          2.05        2.1013   -3   0   4         2
                43.22          1.30        2.0933    1   2   9         4
                43.85          1.81        2.0646    0   3   6         4
                43.94          1.13        2.0606    3   1   0         4
                44.23          1.94        2.0479   -2   1  10         4
                45.23          4.69        2.0048    3   0   4         2
                45.26          1.43        2.0036   -3   0   6         2
                47.81          4.29        1.9023   -2   0  12         2
                48.40          1.51        1.8808    2   3   1         4
                48.42          1.99        1.8798   -3   0   8         2
                48.74          5.86        1.8683    1   2  11         4
                48.81          1.24        1.8657   -1   0  14         2
                48.95          1.49        1.8608    2   3   2         4
                49.54          5.81        1.8399   -3   2   1         4
                49.67          1.45        1.8356    3   2   0         4
                49.67          2.20        1.8354    0   1  14         4
                50.04          2.72        1.8228    3   2   1         4
                50.69          1.14        1.8011    2   2   9         4
                51.80          2.05        1.7650    2   0  12         2
                52.06          1.03        1.7568    2   3   5         4
                52.07          1.03        1.7564    3   1   7         4
                52.30          4.14        1.7492    0   4   0         2
                52.36          6.63        1.7475   -2   2  11         4
                52.42          4.14        1.7455    0   4   1         4
                53.04          2.36        1.7264   -2   3   7         4
                53.55          1.05        1.7114    2   1  12         4
                53.93          1.35        1.7001    3   2   5         4
                54.37          1.20        1.6874   -1   4   1         4
                54.77          1.07        1.6759    1   2  13         4
                54.94          1.97        1.6712   -2   2  12         4
                55.80          1.46        1.6475    2   2  11         4
                56.86          1.24        1.6194   -1   4   5         4
                56.94          1.49        1.6172    4   0   0         2
                57.19          1.66        1.6107    3   2   7         4
                57.68          1.89        1.5983   -2   2  13         4
                58.16          2.38        1.5860   -3   3   1         4
                58.35          1.18        1.5815    1   0  16         2
                59.97          1.27        1.5426   -3   3   5         4
                60.69          1.03        1.5258   -2   4   3         4
                61.04          1.54        1.5180   -1   3  13         4
                61.26          1.08        1.5132   -3   2  11         4
                61.32          1.87        1.5118   -2   4   4         4
                62.16          1.06        1.4934   -2   4   5         4
                62.41          1.71        1.4880    3   0  12         2
                62.82          1.21        1.4793    0   0  18         2
                65.87          1.78        1.4180   -1   2  17         4
                65.89          1.20        1.4176    1   0  18         2
                67.40          1.44        1.3895    4   2   5         4
                70.41          2.27        1.3372    4   2   7         4
                71.35          1.16        1.3219   -3   2  15         4
                73.91          1.51        1.2823   -2   5   2         4
                74.44          1.18        1.2745    2   5   2         4
                81.83          1.06        1.1771    2   2  19         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.