Na18Mn3Ca3Zr3Si26O76*H2O
      Rastsvetaeva R K, Khomyakov A P, Nekrasov Y V
      Crystallography Reports 44 (1999) 824-828
      Crystal structure of a novel analog of eudialyte with R3 symmetry
      Locality: Alluaiv mountain, Lovozero alakaline massif, Kola Peninsula, Russia
      _database_code_amcsd 0012364

      CELL PARAMETERS:   14.1820  14.1820  30.3700   90.000   90.000  120.000
      SPACE GROUP: R3        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   5289.936
      Density (g/cm3):      2.995
      MAX. ABS. INTENSITY / VOLUME**2:      7.193809017    
      RIR:      0.782
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.76         22.67       11.3861    1   0   1         3
                 8.73          1.57       10.1233    0   0   3         1
                 9.26         11.87        9.5494    0   1   2         3
                12.48         54.84        7.0910    1   1   0         3
                13.71         20.05        6.4581    1   0   4         3
                14.72         26.28        6.0192    0   2   1         3
                15.57         27.52        5.6931    2   0   2         3
                16.28          9.87        5.4446    0   1   5         3
                19.34          1.99        4.5889    2   1   1         3
                20.00          1.57        4.4393   -1   3   2         3
                20.57         55.10        4.3185    2   0   5         3
                21.57          8.95        4.1198    1   1   6         3
                21.57          9.57        4.1198    2  -1   6         3
                21.71          8.19        4.0940    3   0   0         3
                21.72          8.29        4.0908    1   0   7         3
                22.45         10.42        3.9605    2   1   4         3
                22.45         11.08        3.9605    3  -1   4         3
                23.44         30.02        3.7954    3   0   3         3
                24.13          4.78        3.6883   -1   3   5         3
                24.13          4.11        3.6883    1   2   5         3
                24.54          8.48        3.6269    0   1   8         3
                25.12         14.16        3.5455    2   2   0         3
                25.13         26.93        3.5435    0   2   7         3
                26.33         11.80        3.3852    1   3   1         3
                26.33         11.44        3.3852   -1   4   1         3
                26.41          1.54        3.3744    0   0   9         1
                26.64          5.88        3.3462    2   2   3         3
                26.64          5.55        3.3462    4  -2   3         3
                26.82          4.17        3.3238    3   1   2         3
                26.82          3.63        3.3238    4  -1   2         3
                27.62         20.84        3.2291    2   0   8         3
                28.03          8.60        3.1831    0   3   6         3
                28.03          3.26        3.1831    3   0   6         3
                28.15         11.16        3.1697    2   1   7         3
                28.15         10.86        3.1697    3  -1   7         3
                29.31         11.32        3.0470    2  -1   9         3
                29.31         10.87        3.0470    1   1   9         3
                29.68          7.65        3.0096    0   4   2         3
                30.08         46.60        2.9711    3   1   5         3
                30.08         46.26        2.9711    4  -1   5         3
                30.42          5.42        2.9387   -1   3   8         3
                30.42          5.16        2.9387    1   2   8         3
                30.79          5.32        2.9040    2   2   6         3
                30.79          3.86        2.9040    4  -2   6         3
                31.43        100.00        2.8465    4   0   4         3
                31.90          1.34        2.8056    5  -2   1         3
                31.90          1.22        2.8056    3   2   1         3
                32.31          1.68        2.7704   -2   5   2         3
                32.31          2.03        2.7704    2   3   2         3
                32.68          1.98        2.7403    0   4   5         3
                32.90         11.90        2.7223    0   2  10         3
                33.43          1.78        2.6801    1   4   0         3
                33.43          1.48        2.6801    4   1   0         3
                33.44         12.17        2.6793    1   3   7         3
                33.44         13.19        2.6793   -1   4   7         3
                33.94          7.99        2.6416    5  -2   4         3
                33.94          8.81        2.6416    3   2   4         3
                34.44         25.84        2.6039    0   3   9         3
                34.44          1.76        2.6039    3   0   9         3
                34.62          1.35        2.5909    1   4   3         3
                34.62          1.26        2.5909   -1   5   3         3
                34.62          3.37        2.5909    5  -1   3         3
                34.62          1.07        2.5909    4   1   3         3
                35.32          1.81        2.5414    2   1  10         3
                35.32          2.22        2.5414    3  -1  10         3
                35.40          1.09        2.5354    3   1   8         3
                35.40          1.13        2.5354    4  -1   8         3
                35.47          7.87        2.5308    0   0  12         1
                36.71          8.85        2.4484    0   5   1         3
                36.77          4.02        2.4443    2   2   9         3
                36.77          3.92        2.4443    4  -2   9         3
                37.07          1.14        2.4249    5   0   2         3
                37.68          9.32        2.3873    0   4   8         3
                37.99          2.43        2.3686    1   4   6         3
                37.99          3.00        2.3686   -1   5   6         3
                38.07          5.68        2.3637    3   3   0         3
                38.91          7.76        2.3143    2   4   1         3
                38.91          7.78        2.3143   -2   6   1         3
                39.26          2.69        2.2950    1   0  13         3
                39.84          1.89        2.2626   -2   5   8         3
                39.84          1.92        2.2626    2   3   8         3
                41.36          3.17        2.1830    1   5   2         3
                41.36          3.42        2.1830   -1   6   2         3
                41.66          4.60        2.1682    6  -2   5         3
                41.66          4.55        2.1682    4   2   5         3
                41.84         22.76        2.1592    4   0  10         3
                42.13          4.64        2.1449    3   1  11         3
                42.13          4.16        2.1449    4  -1  11         3
                42.20          1.28        2.1417    6  -3   6         3
                42.28          1.81        2.1376    0   5   7         3
                42.31          6.16        2.1362    0   1  14         3
                42.68          3.07        2.1183    5   1   4         3
                42.68          2.73        2.1183    6  -1   4         3
                43.10          1.33        2.0987    5  -1   9         3
                43.10          1.63        2.0987    1   4   9         3
                43.10          1.45        2.0987   -1   5   9         3
                43.65          1.01        2.0734    1   5   5         3
                43.65          1.21        2.0734   -1   6   5         3
                43.83          2.66        2.0656    5  -2  10         3
                43.83          2.79        2.0656    3   2  10         3
                44.26          1.16        2.0466    2   4   7         3
                44.26          1.16        2.0466   -2   6   7         3
                45.00          1.88        2.0147    4   3   1         3
                45.00          1.98        2.0147    7  -3   1         3
                45.19          3.42        2.0064    0   6   3         3
                45.82          4.91        1.9803    6  -2   8         3
                45.82          4.55        1.9803    4   2   8         3
                46.02          1.08        1.9720   -2   5  11         3
                46.54          1.27        1.9513    4   3   4         3
                46.54          1.26        1.9513    7  -3   4         3
                46.93          2.54        1.9360    6  -3   9         3
                46.93          2.40        1.9360    3   3   9         3
                47.07          1.10        1.9306    2   5   3         3
                47.17          1.51        1.9266    1   3  13         3
                47.17          1.66        1.9266   -1   4  13         3
                47.94          1.63        1.8977    0   6   6         3
                47.94          3.98        1.8977    6   0   6         3
                48.71          2.43        1.8694   -1   7   1         3
                48.71          2.68        1.8694    1   6   1         3
                49.00          1.04        1.8589    6   1   2         3
                49.00          1.25        1.8589    7  -1   2         3
                49.42          1.06        1.8442   -2   6  10         3
                49.42          1.27        1.8442    2   4  10         3
                49.54          1.45        1.8401    5  -1  12         3
                49.54          1.57        1.8401    4   1  12         3
                49.74          3.02        1.8332    2   5   6         3
                49.74          2.78        1.8332   -2   7   6         3
                49.74          1.18        1.8332    5   2   6         3
                49.81          1.84        1.8306    4   3   7         3
                49.81          1.57        1.8306    7  -3   7         3
                50.17          1.11        1.8185   -1   7   4         3
                50.17          1.12        1.8185    1   6   4         3
                51.18          2.34        1.7848    5   1  10         3
                51.18          1.95        1.7848    6  -1  10         3
                51.43          5.03        1.7767    6  -2  11         3
                51.43          4.68        1.7767    4   2  11         3
                51.55         18.43        1.7728    4   4   0         3
                51.59          8.95        1.7717    0   4  14         3
                52.01          2.55        1.7582    4  -2  15         3
                52.01          2.46        1.7582    2   2  15         3
                52.22          2.59        1.7516    3   5   1         3
                52.22          2.63        1.7516   -3   8   1         3
                52.27          1.10        1.7502    6   0   9         3
                53.01          1.06        1.7274    3   3  12         3
                53.29          1.98        1.7189   -2   5  14         3
                53.29          1.93        1.7189    2   3  14         3
                53.41          1.18        1.7154    2   0  17         3
                53.92          2.07        1.7005    8  -2   1         3
                53.92          2.27        1.7005    6   2   1         3
                54.19          3.45        1.6926   -2   8   2         3
                54.19          3.04        1.6926    2   6   2         3
                54.38          1.44        1.6872    0   0  18         1
                54.43          1.83        1.6856    0   7   5         3
                54.87          5.69        1.6731    4   4   6         3
                54.87          5.61        1.6731    8  -4   6         3
                55.84          2.74        1.6466    2   4  13         3
                55.84          2.51        1.6466   -2   6  13         3
                56.03          1.86        1.6414    1   1  18         3
                56.03          1.86        1.6414    2  -1  18         3
                56.08          4.13        1.6399   -2   8   5         3
                56.08          4.14        1.6399    2   6   5         3
                57.04         10.84        1.6145    4   0  16         3
                57.37          1.66        1.6062    1   7   3         3
                57.37          1.53        1.6062   -1   8   3         3
                57.84          1.92        1.5942   -1   7  10         3
                57.84          1.90        1.5942    1   6  10         3
                58.19          3.00        1.5854    8  -2   7         3
                58.19          2.78        1.5854    6   2   7         3
                58.64          3.71        1.5742    5  -2  16         3
                58.64          3.56        1.5742    3   2  16         3
                59.53          1.24        1.5529    5   2  12         3
                59.53          1.13        1.5529    7  -2  12         3
                59.76          1.15        1.5474    3   6   0         3
                59.76          1.15        1.5474    6   3   0         3
                59.79          2.62        1.5467   -1   6  14         3
                59.79          2.51        1.5467    1   5  14         3
                60.62          1.49        1.5276    4   3  13         3
                60.62          1.47        1.5276    7  -3  13         3
                60.62          2.72        1.5275    8   0   2         3
                61.64          1.01        1.5048    0   8   4         3
                61.76          1.88        1.5020    0   5  16         3
                62.52          1.05        1.4855    6   2  10         3
                62.74          2.69        1.4808    8  -3  11         3
                62.74          2.70        1.4808    5   3  11         3
                62.74          1.30        1.4808    0   7  11         3
                63.29          1.02        1.4694    2   4  16         3
                64.57          1.35        1.4432    1   2  20         3
                64.57          1.38        1.4432   -1   3  20         3
                64.76          1.52        1.4395    6   0  15         3
                65.59          2.60        1.4233    8   0   8         3
                65.86          2.14        1.4182    5   5   0         3
                66.25          1.28        1.4107    2   5  15         3
                66.25          1.28        1.4107   -2   7  15         3
                66.43          1.04        1.4073   -4  10   1         3
                66.43          1.05        1.4073    4   6   1         3
                66.89          1.86        1.3989    1   8   5         3
                66.89          1.98        1.3989   -1   9   5         3
                68.48          5.00        1.3701    0   8  10         3
                68.74          3.31        1.3656    5   5   6         3
                68.74          3.44        1.3656   10  -5   6         3
                68.85          4.16        1.3636    0   3  21         3
                69.00          3.89        1.3611    0   4  20         3
                70.24          1.12        1.3401    2   8   0         3
                70.24          1.08        1.3401    8   2   0         3
                70.25          1.01        1.3400   -4  10   7         3
                70.25          1.10        1.3400    4   6   7         3
                70.26          1.20        1.3397    0   5  19         3
                70.94          1.48        1.3285    8   2   3         3
                70.94          1.47        1.3285   10  -2   3         3
                72.62          1.86        1.3020    0   6  18         3
                75.07          1.50        1.2654    0   0  24         1
                75.19          1.01        1.2636   -4  11   3         3
                79.64          1.57        1.2038    0  10   5         3
                80.62          1.71        1.1917    0   2  25         3
                87.24          1.35        1.1175   10  -2  15         3
                87.24          1.38        1.1175    8   2  15         3
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.