Nambulite
      Nagashima M, Armbruster T, Kolitsch U, Pettke T
      American Mineralogist 99 (2014) 1462-1470
      The relation between Li <-> Na substitution and hydrogen bonding in five-periodic
      single-chain silicates nambulite and marsturite: A single-crystal X-ray study
      Locality: Fianel mine, Grisons, Switzerland
      _database_code_amcsd 0020222

      CELL PARAMETERS:    7.5391  11.7475   6.7137   93.024   95.147  106.266
      SPACE GROUP: P-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    566.611
      Density (g/cm3):      3.541
      MAX. ABS. INTENSITY / VOLUME**2:      8.098676344    
      RIR:      0.745
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.87          9.85       11.2398    0   1   0         2
                12.57         25.99        7.0441   -1   1   0         2
                13.29         32.30        6.6644    0   0   1         2
                15.77          3.25        5.6199    0   2   0         2
                16.00          1.30        5.5380    0   1   1         2
                17.12          6.73        5.1785   -1   0   1         2
                18.83         17.48        4.7119    1  -1   1         2
                19.11          1.89        4.6432    1   0   1         2
                21.61          3.87        4.1122   -1   2   1         2
                22.70          2.52        3.9178    1   2   0         2
                23.42          4.05        3.7984   -1   3   0         2
                23.71          2.89        3.7520   -2   1   0         2
                24.99          2.69        3.5631   -1  -2   1         2
                25.29         18.46        3.5220   -2   2   0         2
                26.23          1.14        3.3975   -2   1   1         2
                26.32          1.04        3.3858    0  -3   1         2
                26.72          6.77        3.3361    1  -3   1         2
                26.75         12.68        3.3322    0   0   2         2
                26.85         11.78        3.3203   -2   0   1         2
                27.31          2.49        3.2650   -1   3   1         2
                27.72          1.78        3.2181    1   2   1         2
                28.13          1.11        3.1723    2   1   0         2
                28.26          2.34        3.1579    0   3   1         2
                28.26         53.56        3.1577   -1   0   2         2
                28.29          4.11        3.1549    2  -1   1         2
                28.55         18.99        3.1261    0   1   2         2
                29.00          8.97        3.0792   -1   1   2         2
                29.08         10.55        3.0711   -2   3   0         2
                29.33         46.25        3.0447    2  -2   1         2
                29.71          1.19        3.0067   -2  -1   1         2
                29.76         22.47        3.0023   -1  -1   2         2
                29.88          4.52        2.9906    1   3   0         2
                30.04         17.58        2.9745    0  -2   2         2
                30.30         54.39        2.9494    1  -1   2         2
                30.66         98.99        2.9156   -1   4   0         2
                30.78          2.20        2.9053    1   0   2         2
                31.76          4.45        2.8175   -2   3   1         2
                31.85          1.36        2.8099    0   4   0         2
                31.93          2.10        2.8031    1  -2   2         2
                32.42          1.55        2.7617    2  -3   1         2
                33.03          1.60        2.7116    1  -4   1         2
                33.19        100.00        2.6990    2   2   0         2
                33.26          2.57        2.6936    1   1   2         2
                33.59          2.41        2.6682    0  -4   1         2
                34.06         27.20        2.6324   -1   4   1         2
                34.19          1.73        2.6225    1   3   1         2
                34.31          9.35        2.6140   -2  -2   1         2
                34.42         27.64        2.6059   -2   1   2         2
                34.42          1.12        2.6058   -2   4   0         2
                34.64          2.91        2.5893   -2   0   2         2
                35.99          5.27        2.4957   -3   1   0         2
                36.27         20.38        2.4765   -3   2   0         2
                37.25          2.04        2.4140   -3   1   1         2
                37.41         19.72        2.4042    1   2   2         2
                37.43          1.69        2.4026    2   2   1         2
                37.56          5.47        2.3949    0   3   2         2
                37.77          2.91        2.3818   -3   2   1         2
                38.15          1.47        2.3588   -1  -3   2         2
                38.20          2.20        2.3560    2  -2   2         2
                38.33          1.27        2.3480   -3   3   0         2
                38.79          1.47        2.3216    2   0   2         2
                39.76          2.45        2.2672    3  -1   1         2
                40.12          1.04        2.2474    1  -5   1         2
                40.26         24.36        2.2399    0  -4   2         2
                40.46          1.03        2.2293    2  -3   2         2
                40.66         13.55        2.2192    3   1   0         2
                40.76          5.53        2.2139    0  -1   3         2
                40.79         27.49        2.2122   -2   5   0         2
                41.20         33.85        2.1910   -1   0   3         2
                41.33          1.13        2.1846    0  -5   1         2
                41.94          2.62        2.1539   -3   4   0         2
                42.10          1.27        2.1463    0   1   3         2
                42.52          1.27        2.1260    0  -2   3         2
                42.91         12.46        2.1078    2  -5   1         2
                43.26          1.09        2.0913   -2   5   1         2
                43.31          1.87        2.0890    2   3   1         2
                43.84          4.34        2.0649   -3   2   2         2
                44.04          1.13        2.0561   -2   4   2         2
                44.51         21.05        2.0354    3   1   1         2
                45.62          7.07        1.9884   -2   1   3         2
                45.75          1.20        1.9833    2   2   2         2
                46.27          1.13        1.9622   -1  -5   1         2
                46.88          4.50        1.9382    0  -5   2         2
                48.56          6.26        1.8748   -1   5   2         2
                48.94          2.70        1.8611   -4   1   0         2
                49.13          1.39        1.8543    2  -5   2         2
                49.37          1.79        1.8460    0   3   3         2
                49.46          2.75        1.8428    1   2   3         2
                49.54          3.48        1.8400   -4   3   0         2
                49.77          3.45        1.8320   -2   5   2         2
                49.92          1.74        1.8270   -2  -2   3         2
                50.04          3.30        1.8228   -2   3   3         2
                50.14          4.95        1.8193   -3  -2   2         2
                50.51          3.38        1.8071   -4   3   1         2
                50.76          2.25        1.7986    4   0   0         2
                51.04          4.70        1.7894    2   3   2         2
                51.28          2.57        1.7815   -2  -4   2         2
                51.32          1.27        1.7804    3  -4   2         2
                52.12          3.99        1.7548    3   1   2         2
                52.53          3.37        1.7419    4  -3   1         2
                52.81          1.30        1.7336   -1   4   3         2
                53.05          1.37        1.7262   -3   0   3         2
                53.07          5.54        1.7257    2   1   3         2
                54.00         27.48        1.6981    1   6   0         2
                54.00          1.23        1.6981   -2  -3   3         2
                54.06          1.32        1.6963   -4  -1   1         2
                54.16          6.15        1.6934   -2   4   3         2
                54.26          7.81        1.6907    4   0   1         2
                54.27         10.05        1.6902   -3   5   2         2
                54.64         14.51        1.6796    3  -6   1         2
                54.99          6.81        1.6699   -3  -3   2         2
                55.05          1.10        1.6681    2  -6   2         2
                55.06         17.97        1.6679    0  -1   4         2
                55.34          1.02        1.6602   -4   0   2         2
                55.55          9.00        1.6542    1  -5   3         2
                56.30          2.18        1.6341    0  -2   4         2
                57.31          7.87        1.6077    1   6   1         2
                57.39          3.33        1.6057    0   7   0         2
                57.94         11.05        1.5917   -4  -1   2         2
                58.10          6.23        1.5877   -3  -2   3         2
                58.19          3.21        1.5854    1  -2   4         2
                58.45          4.26        1.5789    0   6   2         2
                58.65          4.21        1.5741   -2   1   4         2
                58.79          8.79        1.5706    3  -3   3         2
                59.97          1.19        1.5426   -3   6   2         2
                60.15          3.71        1.5383    3  -6   2         2
                61.17          5.72        1.5152    4   0   2         2
                61.29          2.94        1.5125   -3   7   1         2
                61.31          2.55        1.5119   -1   3   4         2
                61.62          3.51        1.5050   -4   6   1         2
                61.80          2.31        1.5011    2  -7   2         2
                61.92          2.72        1.4986   -4   2   3         2
                62.09          1.35        1.4949    0  -7   2         2
                62.44          1.92        1.4873    0  -4   4         2
                63.04         12.79        1.4746   -3   5   3         2
                63.66          1.20        1.4617    2  -6   3         2
                63.74          2.96        1.4602   -1   7   2         2
                64.18          1.20        1.4510   -3   1   4         2
                64.27          4.68        1.4494    2   5   2         2
                64.30          2.11        1.4487   -5   4   1         2
                64.49          2.25        1.4450    1  -8   1         2
                64.53          1.32        1.4440   -3   0   4         2
                64.68          1.08        1.4410   -1  -4   4         2
                64.78          3.72        1.4392   -5   0   1         2
                64.80          1.24        1.4388    5   0   0         2
                65.09          5.94        1.4331   -4  -1   3         2
                65.23          2.77        1.4303   -2  -3   4         2
                65.54          7.91        1.4242   -2  -6   2         2
                66.17          3.17        1.4123   -2   8   1         2
                66.41         18.40        1.4078    5  -4   1         2
                66.41         16.26        1.4076    2   1   4         2
                66.49          1.69        1.4063   -5   3   2         2
                66.69          1.39        1.4025    0   7   2         2
                67.31         10.03        1.3911    1  -5   4         2
                67.48          1.87        1.3880   -3  -5   2         2
                67.57          1.54        1.3864    3   4   2         2
                68.04          1.35        1.3778    0   6   3         2
                68.55          1.64        1.3690    1  -8   2         2
                69.68          2.10        1.3495    4   4   0         2
                69.72          1.31        1.3488   -2  -4   4         2
                69.76          1.93        1.3481    2  -7   3         2
                70.00          1.21        1.3441    4  -4   3         2
                71.19          2.96        1.3244    3  -3   4         2
                72.06          1.34        1.3106   -3  -6   1         2
                72.29          1.58        1.3070   -4  -4   2         2
                72.34          1.94        1.3062    5  -4   2         2
                72.36          1.57        1.3059    1   7   2         2
                72.53          1.55        1.3033    3   0   4         2
                72.72          1.48        1.3004   -5   2   3         2
                72.78          4.18        1.2994   -1   7   3         2
                73.34          2.20        1.2909   -1  -7   3         2
                73.48          5.85        1.2888   -5   3   3         2
                73.74          2.78        1.2849   -2  -7   2         2
                73.98          1.19        1.2813    4   1   3         2
                74.57          1.00        1.2726   -5   0   3         2
                74.87          2.48        1.2683    2  -6   4         2
                75.04          1.00        1.2657   -4  -1   4         2
                76.23          1.39        1.2490   -6   3   1         2
                76.77          1.25        1.2416    4   5   0         2
                77.01          1.72        1.2382   -3   9   1         2
                77.29          2.76        1.2345   -6   4   1         2
                77.98          1.68        1.2253   -3   1   5         2
                78.57          5.25        1.2176    1   5   4         2
                80.68          1.29        1.1909   -6   4   2         2
                81.18          1.90        1.1849    5   3   1         2
                81.75          2.11        1.1780    4  -4   4         2
                82.94          2.86        1.1641   -1  -7   4         2
                83.23          1.02        1.1608    4   3   3         2
                84.60          1.45        1.1455    2  -9   3         2
                87.50          1.34        1.1149   -1  -1   6         2
                88.18          1.30        1.1080   -3   5   5         2
                88.71          1.37        1.1028   -1  -2   6         2
                89.45          1.63        1.0955   -2   0   6         2
                89.63          1.38        1.0938    0  10   1         2
                89.66          4.36        1.0935    4 -10   1         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.