Zektzerite
      Ghose S, Wan C
      American Mineralogist 63 (1978) 304-310
      Zektzerite, NaLiZrSi6O15: a silicate with six-tetrahedral-repeat double chains
      Locality: Miarolitic cavities of the Golden Horn batholith
      near Washington Pass, North Cascades, Washington, USA
      _database_code_amcsd 0000638

      CELL PARAMETERS:   14.3300  17.3540  10.1640   90.000   90.000   90.000
      SPACE GROUP: Cmca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2527.612
      Density (g/cm3):      2.783
      MAX. ABS. INTENSITY / VOLUME**2:      9.166531045    
      RIR:      1.072
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.19          3.41        8.6770    0   2   0         2
                12.35         70.86        7.1650    2   0   0         2
                13.42          3.05        6.5993    0   2   1         4
                16.04         10.96        5.5249    2   2   0         4
                18.28        100.00        4.8541    2   2   1         8
                19.22          5.69        4.6171    1   1   2         8
                20.25         66.29        4.3852    0   2   2         4
                20.47         44.01        4.3385    0   4   0         2
                21.44         75.48        4.1452    2   0   2         4
                24.12         17.35        3.6892    1   3   2         8
                24.85         21.99        3.5825    4   0   0         2
                25.55         65.13        3.4861    2   4   1         8
                26.93          6.80        3.3114    4   2   0         4
                27.54         33.38        3.2392    1   1   3         8
                27.87         34.13        3.2016    1   5   1         8
                28.28          1.78        3.1560    0   2   3         4
                28.35         60.33        3.1485    4   2   1         8
                29.81         12.32        2.9971    2   4   2         8
                29.96          2.24        2.9823    3   3   2         8
                30.53         45.05        2.9281    4   0   2         4
                30.92          5.37        2.8923    0   6   0         2
                30.96         18.94        2.8882    2   2   3         8
                31.84          9.60        2.8105    1   5   2         8
                32.27         10.89        2.7744    4   2   2         8
                32.41          1.89        2.7624    4   4   0         4
                32.82          3.97        2.7291    3   1   3         8
                33.10          4.61        2.7065    3   5   1         8
                33.41          5.45        2.6821    2   6   0         4
                33.56          6.14        2.6703    0   4   3         4
                33.62         41.70        2.6657    4   4   1         8
                35.32         12.64        2.5410    0   0   4         2
                35.72         17.16        2.5137    0   6   2         4
                35.89          5.96        2.5021    2   4   3         8
                36.28          2.77        2.4764    1   1   4         8
                36.56          1.02        2.4577    3   5   2         8
                36.86          1.45        2.4386    0   2   4         4
                37.04          3.10        2.4270    4   4   2         8
                37.56          3.21        2.3949    2   0   4         4
                37.63          2.78        2.3905    1   5   3         8
                37.88          1.06        2.3752    1   7   1         8
                37.93          5.59        2.3720    2   6   2         8
                38.00          6.65        2.3681    4   2   3         8
                40.07          4.92        2.2504    4   6   0         4
                40.15          2.44        2.2458    6   2   1         8
                40.55          3.36        2.2248    3   1   4         8
                41.03         12.13        2.1998    0   6   3         4
                41.08          8.80        2.1972    4   6   1         8
                41.17          2.06        2.1926    0   4   4         4
                41.78          4.44        2.1619    3   5   3         8
                41.79          3.71        2.1615    6   0   2         4
                42.01          2.87        2.1506    3   7   1         8
                42.21         12.71        2.1410    4   4   3         8
                43.13          1.56        2.0974    6   2   2         8
                43.26          1.54        2.0916    3   3   4         8
                43.67          2.58        2.0726    4   0   4         4
                44.01          3.19        2.0577    4   6   2         8
                44.20          7.44        2.0493    6   4   1         8
                44.54          3.84        2.0342    2   8   1         8
                44.65          1.23        2.0296    1   5   4         8
                44.97          6.50        2.0159    4   2   4         8
                45.46          2.43        1.9951    0   8   2         4
                45.85          5.72        1.9792    0   2   5         4
                46.96          2.03        1.9347    6   4   2         8
                47.64          5.12        1.9090    0   6   4         4
                47.67          2.34        1.9078    2   2   5         8
                47.76          5.41        1.9045    6   2   3         8
                47.85          4.12        1.9009    1   3   5         8
                48.14          4.04        1.8900    5   1   4         8
                48.47          5.74        1.8781    1   9   1         8
                48.69          1.47        1.8701    4   4   4         8
                49.23          5.07        1.8510    5   5   3         8
                49.41          6.87        1.8446    2   6   4         8
                49.43          5.40        1.8439    5   7   1         8
                49.49          5.13        1.8416    6   6   0         4
                49.52          3.52        1.8408    0   4   5         4
                49.96          6.39        1.8254    4   8   1         8
                50.36          2.08        1.8121    6   6   1         8
                50.53          1.17        1.8063    5   3   4         8
                50.98         13.25        1.7912    8   0   0         2
                51.24          9.05        1.7829    2   4   5         8
                51.32          9.12        1.7802    6   4   3         8
                51.63          1.70        1.7702    2   8   3         8
                51.92          1.28        1.7610    1   7   4         8
                52.59         11.79        1.7403    6   0   4         4
                52.75          3.40        1.7354    0  10   0         2
                52.85          2.06        1.7324    4   2   5         8
                52.88         16.12        1.7314    6   6   2         8
                53.57          2.56        1.7106    0  10   1         4
                54.40          2.06        1.6866    2  10   0         4
                54.46          4.98        1.6847    4   6   4         8
                54.83          1.06        1.6744    1   1   6         8
                55.20          5.77        1.6639    2  10   1         8
                55.41          5.17        1.6582    8   2   2         8
                55.50          3.29        1.6557    8   4   0         4
                55.76          3.47        1.6486    2   0   6         4
                56.18          3.97        1.6373    4   4   5         8
                56.55          7.00        1.6275    4   8   3         8
                56.83          1.90        1.6201    2   6   5         8
                57.02          1.45        1.6152    6   4   4         8
                57.58          4.90        1.6008    2  10   2         8
                58.16          1.81        1.5861    6   8   1         8
                59.12          3.12        1.5626    1   7   5         8
                59.32          2.24        1.5578    8   2   3         8
                59.66          2.52        1.5498    1  11   1         8
                59.92          2.61        1.5437    4  10   1         8
                60.03          2.46        1.5410    2   4   6         8
                60.45          7.72        1.5314    4   0   6         4
                60.46          1.14        1.5312    6   8   2         8
                60.63          1.60        1.5273    1   9   4         8
                60.78          2.04        1.5239    6   2   5         8
                60.83          2.98        1.5229    8   6   0         4
                61.23          1.66        1.5138    1   5   6         8
                61.41          2.62        1.5099    2  10   3         8
                61.47          3.05        1.5085    4   6   5         8
                61.93          1.84        1.4984    1  11   2         8
                62.18          1.73        1.4929    4  10   2         8
                62.43          4.51        1.4876    8   4   3         8
                62.63          3.49        1.4833    0   8   5         4
                63.55          6.80        1.4640    8   0   4         4
                63.66          1.24        1.4617    0   6   6         4
                63.80         10.01        1.4588    8   6   2         8
                64.11          2.28        1.4525    2   8   5         8
                64.18          1.90        1.4510    6   8   3         8
                64.53          1.16        1.4441    4   4   6         8
                65.09          1.37        1.4331    0  10   4         4
                65.13          7.32        1.4322    2   6   6         8
                65.14          2.12        1.4321    0   2   7         4
                65.16          1.77        1.4317    0  12   1         4
                65.85          5.29        1.4184    4  10   3         8
                65.89          2.00        1.4176    2  12   0         4
                66.54          1.00        1.4052    2  10   4         8
                66.74          1.34        1.4016    1   3   7         8
                66.80          2.21        1.4004   10   2   1         8
                67.24          1.96        1.3923    1   9   5         8
                67.32          4.45        1.3909    0  12   2         4
                67.42          2.37        1.3890    8   6   3         8
                67.83          1.18        1.3817    6   0   6         4
                67.97          3.56        1.3792   10   0   2         4
                68.02          1.39        1.3782    5   7   5         8
                68.10          7.03        1.3769    0   4   7         4
                68.52          1.78        1.3695    5  11   1         8
                69.42          1.68        1.3538    5   9   4         8
                69.45          2.93        1.3534    4   6   6         8
                69.52          1.27        1.3522    2   4   7         8
                69.73          5.03        1.3487   10   4   1         8
                69.93          3.62        1.3452    9   1   4         8
                70.18          1.45        1.3410    4  12   0         4
                70.68          1.31        1.3329    8   8   2         8
                70.80          4.68        1.3309    9   5   3         8
                70.82          1.24        1.3306    4  10   4         8
                70.96          3.40        1.3282    9   7   1         8
                70.97          2.70        1.3281    8   2   5         8
                71.48          2.35        1.3199    0  10   5         4
                71.82          1.86        1.3144   10   4   2         8
                71.85          1.12        1.3140    9   3   4         8
                72.34          1.46        1.3062    8   6   4         8
                72.43          2.87        1.3048   10   2   3         8
                72.89          1.14        1.2977    0   6   7         4
                72.94          1.40        1.2970    6  10   3         8
                74.09          1.37        1.2797    5  11   3         8
                75.29          1.15        1.2622    1   1   8         8
                76.09          1.10        1.2510    2   0   8         4
                77.03          1.05        1.2380    2  12   4         8
                77.59          1.00        1.2305    0  14   1         4
                77.71          1.42        1.2288    6  10   4         8
                77.76          1.70        1.2282    6   2   7         8
                78.02          1.12        1.2247    3   1   8         8
                78.47          1.12        1.2189    9   9   1         8
                78.94          1.45        1.2127    2  14   1         8
                79.47          1.61        1.2060    3  11   5         8
                79.79          1.14        1.2020    3  13   3         8
                79.79          2.13        1.2020    6  12   2         8
                80.15          2.05        1.1974    4   0   8         4
                80.52          1.52        1.1929    6   4   7         8
                80.77          1.20        1.1899    2   8   7         8
                80.96          1.05        1.1875   10   8   1         8
                81.09          3.08        1.1860    4  12   4         8
                82.00          2.36        1.1751   12   2   1         8
                82.98          1.26        1.1637    4  14   1         8
                83.08          1.37        1.1625   12   0   2         4
                83.73          1.69        1.1552    6  10   5         8
                84.35          1.42        1.1483    4  10   6         8
                84.35          1.14        1.1482    2   6   8         8
                84.55          1.68        1.1460   10   6   4         8
                84.73          1.20        1.1440   12   4   1         8
                84.88          1.14        1.1424    8   8   5         8
                85.96          2.07        1.1308   10   4   5         8
                86.83          1.09        1.1217    6   0   8         4
                87.09          1.62        1.1190    8  10   4         8
                87.14          1.96        1.1186    8   2   7         8
                87.59          1.16        1.1139    9  11   1         8
                88.34          2.04        1.1064    4   6   8         8
                88.43          1.25        1.1055    9   9   4         8
                89.13          2.57        1.0986    8  12   2         8
                89.14          1.85        1.0985   10  10   1         8
                89.60          1.63        1.0941   10   0   6         4
                89.85          3.00        1.0917    8   4   7         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.