Zvyaginite
      Pekov I V, Lykova I S, Chukanov N V, Yapaskurt V O, Belakovskiy D I,
      Zolotarev A A, Zubkova N V
      Geology of Ore Deposits 56 (2014) 644-656
      Zvyaginite, NaZnNb2Ti[Si2O7]2O(OH,F)3(H2O)4+x(x<1), a new mineral of the epistolite
      group from the Lovozero alkaline pluton, Kola Peninsula, Russia
      Locality: Mt. Malyi Punkaruaiv, Lovozero alkaline complex, Kola Peninsula, Russia
      _database_code_amcsd 0020443

      CELL PARAMETERS:    8.9750   8.9790  12.1350   74.328   80.651   73.959
      SPACE GROUP: P-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    900.819
      Density (g/cm3):      2.906
      MAX. ABS. INTENSITY / VOLUME**2:      7.520923670    
      RIR:      0.843
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.60         50.42       11.6311    0   0   1         2
                10.30          1.86        8.5866    1   0   0         2
                10.55          1.99        8.3824    0   1   0         2
                11.45          4.30        7.7264    0   1   1         2
                12.22          6.18        7.2444    1   0   1         2
                12.83          1.42        6.9013    1   1   0         2
                13.02          8.08        6.8017    1   1   1         2
                13.39          8.94        6.6147   -1   0   1         2
                14.42          9.84        6.1434    0  -1   1         2
                15.24        100.00        5.8156    0   0   2         2
                16.62         30.39        5.3330   -1  -1   1         2
                17.06         51.78        5.1974    1   1   2         2
                17.52         15.85        5.0629   -1   1   1         2
                20.38          7.11        4.3586    1   2   1         2
                20.56          1.09        4.3191    2   1   1         2
                20.69         57.54        4.2933    2   0   0         2
                20.75         38.19        4.2806    0   2   1         2
                20.81          1.37        4.2684    2   1   0         2
                21.20          2.84        4.1912    0   2   0         2
                21.37         14.53        4.1579    2   0   1         2
                21.44          5.23        4.1445   -1   1   2         2
                22.51         16.05        3.9495   -1  -1   2         2
                22.75          7.73        3.9090   -2   0   1         2
                22.87          3.07        3.8883    0   1   3         2
                22.94         11.36        3.8770    0   0   3         2
                23.02         10.71        3.8632    0   2   2         2
                23.06          3.90        3.8574    1   1   3         2
                23.56          8.84        3.7768    1  -1   2         2
                23.70          1.43        3.7542   -2  -1   1         2
                24.22         30.42        3.6745    0  -2   1         2
                24.28          2.65        3.6664    1   0   3         2
                24.58         12.32        3.6222    2   0   2         2
                25.76          2.77        3.4579   -1   2   1         2
                25.82          9.91        3.4506    2   2   0         2
                26.10          1.59        3.4141   -1   0   3         2
                26.20          9.38        3.4008    2   2   2         2
                26.83          2.40        3.3233    2  -1   1         2
                26.96         14.38        3.3073   -2   0   2         2
                27.08          5.52        3.2933   -1   1   3         2
                27.38         24.41        3.2578    0   2   3         2
                27.55          1.37        3.2377    2   1   3         2
                28.92          1.06        3.0872   -2  -2   1         2
                29.07          8.71        3.0717    0  -2   2         2
                29.33          7.30        3.0451   -1  -1   3         2
                29.54          5.11        3.0237    2   0   3         2
                29.63          3.55        3.0146    1  -1   3         2
                29.92          2.28        2.9864    1   3   1         2
                29.93          4.46        2.9857    1   1   4         2
                30.43         20.66        2.9373    3   1   0         2
                30.68         13.91        2.9138    1   3   2         2
                30.75         96.87        2.9078    0   0   4         2
                31.14         69.75        2.8718    1   3   0         2
                31.55         65.86        2.8361    3   1   2         2
                32.55          3.63        2.7505   -2   0   3         2
                32.77          1.92        2.7331   -3  -1   1         2
                32.93          2.09        2.7201   -3   0   1         2
                33.31          5.04        2.6897    1   3   3         2
                33.33         10.17        2.6883   -2   2   0         2
                33.51         22.90        2.6743   -2   2   1         2
                34.16         14.25        2.6247   -1  -3   1         2
                34.19          1.33        2.6226   -2   1   3         2
                34.83          8.08        2.5759    3   1   3         2
                34.95          1.45        2.5674    2  -2   1         2
                35.06          5.46        2.5592    0  -2   3         2
                35.08          1.17        2.5580    2   3   3         2
                35.46         23.79        2.5314   -2   2   2         2
                35.61          8.58        2.5212    2   0   4         2
                35.73          1.27        2.5130   -1  -2   3         2
                36.49          1.08        2.4625   -3   1   1         2
                36.65          1.73        2.4518   -1  -1   4         2
                36.68         16.22        2.4499   -3  -1   2         2
                36.77          1.28        2.4444   -2  -3   1         2
                37.24          1.50        2.4148    3   0   3         2
                37.28          2.79        2.4117    1   1   5         2
                37.46         14.75        2.4011    1   3   4         2
                37.74          4.26        2.3834    3   3   1         2
                38.16          4.12        2.3581    2  -2   2         2
                38.56          1.37        2.3347    1   2   5         2
                38.71          6.30        2.3262    0   0   5         2
                38.95          4.01        2.3121   -2   2   3         2
                39.03          6.84        2.3080   -2   0   4         2
                39.59          4.91        2.2763    0   2   5         2
                40.81          5.65        2.2112   -1   1   5         2
                41.43          1.48        2.1793    2   4   2         2
                41.80          1.20        2.1609   -3  -1   3         2
                41.95         14.90        2.1536    0   4   1         2
                42.06          1.27        2.1483   -3  -3   1         2
                42.07         17.70        2.1477    4   0   1         2
                42.09          2.94        2.1467    4   0   0         2
                42.22          4.95        2.1403    0   4   2         2
                42.40          3.42        2.1318    2   0   5         2
                42.47          1.47        2.1284    3  -1   3         2
                42.67          8.04        2.1189    2  -2   3         2
                43.00          3.62        2.1037    3   3   4         2
                43.34          2.48        2.0877   -1   3   4         2
                44.35          1.04        2.0427   -1  -1   5         2
                44.79          4.15        2.0233   -4  -2   1         2
                45.01          2.80        2.0143    1   1   6         2
                45.60          1.70        1.9894    2   4   4         2
                45.96          1.16        1.9747   -2  -2   4         2
                46.13          1.99        1.9678   -2  -4   1         2
                46.46          3.61        1.9545   -4   0   2         2
                46.61          1.12        1.9485    4   3   3         2
                46.87          6.28        1.9385    0   0   6         2
                47.05          3.97        1.9316    0   4   4         2
                47.08          4.34        1.9301    4   2   4         2
                47.12          1.63        1.9287    2   2   6         2
                47.83          2.19        1.9019   -3  -1   4         2
                47.99          1.44        1.8957   -3   1   4         2
                48.35          1.08        1.8824   -1   4   3         2
                48.41          1.52        1.8802   -1   1   6         2
                48.90          1.40        1.8626    1   3   6         2
                49.10          3.13        1.8555    0  -2   5         2
                49.37          7.11        1.8460   -2   2   5         2
                49.74          1.32        1.8332    2   0   6         2
                50.28          2.71        1.8145   -2  -4   2         2
                50.45         17.67        1.8090   -1  -3   4         2
                50.51          3.12        1.8068   -4   0   3         2
                50.95         20.06        1.7922    4   4   2         2
                51.28          1.28        1.7816    0   4   5         2
                51.38          1.67        1.7782    4   4   1         2
                51.40          2.64        1.7777   -3  -3   3         2
                51.41          6.87        1.7775    1   5   1         2
                51.58          2.59        1.7718    1  -1   6         2
                51.59         17.34        1.7717    3   1   6         2
                51.65          6.22        1.7697    5   1   0         2
                51.72          6.59        1.7674    5   1   2         2
                51.98          8.14        1.7593    1   5   3         2
                52.37          2.66        1.7470    3  -3   1         2
                52.41          3.63        1.7459   -2   4   1         2
                52.43          2.37        1.7452   -4   2   0         2
                52.67          1.76        1.7377    1  -3   4         2
                52.84          1.24        1.7325    3   3   6         2
                53.13          1.19        1.7239   -2  -2   5         2
                53.52          1.43        1.7123   -5  -1   1         2
                53.69          1.93        1.7071   -2   0   6         2
                54.14          2.86        1.6940    5   3   1         2
                54.35          3.11        1.6881    0   2   7         2
                54.46          1.40        1.6850    3   5   3         2
                54.50          5.53        1.6838    0  -4   3         2
                54.57          3.49        1.6818   -3  -1   5         2
                54.57          4.11        1.6817   -4   2   2         2
                54.60          1.77        1.6809    2   4   6         2
                54.75          2.27        1.6765   -2   4   3         2
                55.06          1.71        1.6680    2  -4   1         2
                55.28          2.61        1.6616    4  -2   2         2
                55.29          2.13        1.6616    0   0   7         2
                55.42          5.21        1.6579    4   0   5         2
                55.57          2.49        1.6537   -4   0   4         2
                55.75          5.47        1.6488    1   3   7         2
                55.83          7.69        1.6466   -2   2   6         2
                55.85          4.14        1.6462   -1  -5   1         2
                56.49          2.85        1.6289    0   4   6         2
                56.55          3.50        1.6273   -5  -1   2         2
                56.76          2.19        1.6220    5   1   4         2
                56.87          1.42        1.6190    0  -2   6         2
                57.18          1.14        1.6110    4   4   5         2
                57.34          8.86        1.6069   -5   1   0         2
                57.40          5.69        1.6054   -1   5   2         2
                57.42          8.32        1.6048   -1   5   1         2
                57.45          1.07        1.6041   -1  -3   5         2
                57.47          2.78        1.6036    1   5   5         2
                57.56          5.88        1.6012    5  -1   1         2
                59.92          6.14        1.5436   -4  -4   2         2
                60.78          1.46        1.5239   -1  -1   7         2
                61.47          5.03        1.5084    4   4   6         2
                61.52          5.58        1.5073    2  -2   6         2
                61.72          1.31        1.5030   -2   4   5         2
                61.93          6.13        1.4983   -3  -1   6         2
                62.27          1.57        1.4909    6   2   1         2
                62.28          1.91        1.4908    2  -4   3         2
                62.35          1.52        1.4892    6   2   2         2
                62.47          4.13        1.4867    2   6   3         2
                62.68          1.24        1.4822    4  -2   4         2
                63.22          5.14        1.4709    1   3   8         2
                63.32          4.39        1.4687    6   2   0         2
                63.64          1.49        1.4622   -5   1   3         2
                63.90          2.07        1.4569    2   6   4         2
                64.04          4.13        1.4539    0   0   8         2
                64.22          1.56        1.4504   -3  -3   5         2
                64.25          2.10        1.4497   -1   5   5         2
                64.40          1.12        1.4466    1  -5   2         2
                64.62          2.36        1.4424   -1  -5   3         2
                64.94          2.01        1.4359    2   6   0         2
                65.10          2.06        1.4329    5  -1   4         2
                65.70          1.74        1.4212   -5  -1   4         2
                65.86          2.85        1.4181    6   2   4         2
                66.00          2.21        1.4154    5   1   6         2
                66.03          1.68        1.4149    3   3   8         2
                66.37          1.43        1.4085   -5  -3   3         2
                67.09          2.37        1.3952    1   5   7         2
                67.59          1.62        1.3860    6   4   2         2
                67.71          2.28        1.3838    4   6   3         2
                67.85          2.77        1.3813   -5   1   4         2
                67.95          1.77        1.3796   -2  -6   1         2
                68.04          1.52        1.3779    6   4   3         2
                68.19          1.87        1.3753   -4   0   6         2
                68.23          1.33        1.3745    6   4   1         2
                68.63          1.63        1.3676   -1   5   6         2
                68.78          2.58        1.3649    4   6   1         2
                68.81          2.33        1.3643    1  -5   3         2
                69.07          1.33        1.3599    3  -3   5         2
                69.17          2.85        1.3581    2  -2   7         2
                69.37          1.26        1.3547    0   4   8         2
                69.67          1.53        1.3497    5  -1   5         2
                69.67          3.60        1.3496   -4   4   1         2
                70.00          2.83        1.3441   -4   4   0         2
                70.30          1.11        1.3390   -2   0   8         2
                70.96          1.81        1.3283    4   6   5         2
                71.39          4.56        1.3213    4  -4   1         2
                72.02          1.13        1.3113   -4   2   6         2
                72.22          3.22        1.3082   -4   4   3         2
                72.88          1.24        1.2980   -6  -2   3         2
                73.85          1.15        1.2832    4  -2   6         2
                74.46          2.39        1.2741    2   6   7         2
                76.96          1.46        1.2389   -1  -5   5         2
                78.01          2.05        1.2249   -6  -2   4         2
                78.37          1.52        1.2202   -5  -1   6         2
                78.87          1.26        1.2137   -4   4   5         2
                79.87          1.09        1.2009   -3  -3   7         2
                80.25          1.03        1.1963    6   4   7         2
                81.66          2.22        1.1791    4  -4   4         2
                82.16          1.17        1.1732   -1  -3   8         2
                82.77          1.63        1.1661   -2  -6   4         2
                83.14          1.02        1.1618    5   7   2         2
                83.30          1.32        1.1600   -4  -6   3         2
                83.73          1.33        1.1552    3   1  10         2
                83.77          1.09        1.1547    7   5   4         2
                84.77          1.20        1.1436   -4  -4   6         2
                84.97          1.72        1.1414    6   2   8         2
                87.03          1.47        1.1196    4  -4   5         2
                88.42          1.11        1.1056   -2   2  10         2
                89.40          2.14        1.0960   -4   4   7         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.