Meionite
      Antao S M, Hassan I, Wang J, Lee P L, Toby B H
      The Canadian Mineralogist 46 (2008) 1501-1509
      State-of-the-art high-resolution powder x-ray diffraction (HRPXRD) illustrated
      with Rietveld structure refinement of quartz, sodalite, tremolite, and meionite
      Locality: Slyudyanka, Siberia, Russia
      _database_code_amcsd 0006213

      CELL PARAMETERS:   12.1656  12.1656   7.5745   90.000   90.000   90.000
      SPACE GROUP: I4/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1121.032
      Density (g/cm3):      2.741
      MAX. ABS. INTENSITY / VOLUME**2:      10.43625943    
      RIR:      1.240
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.28          3.89        8.6024    1   1   0         4
                14.56         17.52        6.0828    2   0   0         4
                20.09          5.11        4.4188    2   1   1         8
                20.09          1.03        4.4188    1   2   1         8
                20.65          2.44        4.3012    2   2   0         4
                23.12          2.30        3.8471    1   3   0         4
                23.12         27.37        3.8471    3   1   0         4
                23.49          1.78        3.7872    0   0   2         2
                24.91         11.03        3.5751    3   0   1         8
                25.70        100.00        3.4662    1   1   2         8
                27.75          2.00        3.2150    2   0   2         8
                28.97         83.17        3.0822    2   3   1         8
                29.37         36.33        3.0414    4   0   0         4
                31.19          3.42        2.8675    3   3   0         4
                31.47          3.78        2.8424    2   2   2         8
                32.57         11.94        2.7494    1   4   1         8
                32.93          5.81        2.7203    2   4   0         4
                33.19         46.96        2.6989    3   1   2         8
                33.19          1.09        2.6989    1   3   2         8
                37.70          1.88        2.3859    5   1   0         4
                38.88         12.01        2.3165    4   3   1         8
                38.88          1.56        2.3165    3   4   1         8
                40.84          3.21        2.2094    4   2   2         8
                41.72          4.50        2.1649    5   2   1         8
                41.72          6.77        2.1649    2   5   1         8
                42.01          3.07        2.1506    4   4   0         4
                42.16         13.82        2.1433    3   0   3         8
                43.37          4.84        2.0864    3   5   0         4
                44.84          4.00        2.0215    3   2   3         8
                44.84          3.90        2.0215    2   3   3         8
                44.90          3.62        2.0187    5   1   2         8
                44.90          4.07        2.0187    1   5   2         8
                46.99          8.78        1.9337    6   1   1         8
                46.99          2.68        1.9337    1   6   1         8
                47.25          8.14        1.9235    6   2   0         4
                47.39          3.57        1.9184    4   1   3         8
                47.39         12.64        1.9184    1   4   3         8
                48.05         12.44        1.8936    0   0   4         2
                49.46          2.97        1.8429    5   4   1         8
                49.46          1.10        1.8429    4   5   1         8
                49.90          2.90        1.8274    3   5   2         8
                51.84          1.95        1.7637    6   3   1         8
                51.84          2.42        1.7637    3   6   1         8
                52.21          2.56        1.7520    5   0   3         8
                53.24          2.26        1.7205    1   7   0         4
                53.24          5.25        1.7205    7   1   0         4
                53.42          2.60        1.7150    2   6   2         8
                54.38          2.02        1.6871    4   6   0         4
                56.38          3.56        1.6318    2   7   1         8
                57.32          3.48        1.6075    4   0   4         8
                58.91          8.12        1.5677    1   6   3         8
                61.04          6.28        1.5181    5   4   3         8
                62.63          2.16        1.4832    5   1   4         8
                62.79          1.81        1.4799    4   7   1         8
                63.17          2.78        1.4718    7   3   2         8
                63.17          2.90        1.4718    3   7   2         8
                63.77          1.97        1.4594    1   2   5         8
                65.05          4.99        1.4337    6   6   0         4
                65.16          2.74        1.4316    7   0   3         8
                65.81          2.65        1.4191    3   0   5         8
                66.07          2.65        1.4142    7   5   0         4
                67.18          2.38        1.3935    2   7   3         8
                67.81          8.48        1.3820    2   3   5         8
                68.22          9.19        1.3747    8   2   2         8
                68.22          6.61        1.3747    2   8   2         8
                69.05          1.24        1.3602    8   4   0         4
                69.68          2.46        1.3494    6   2   4         8
                70.04          3.29        1.3435    1   9   0         4
                70.81          1.45        1.3307    9   0   1         8
                71.12          4.36        1.3257    5   6   3         8
                71.17          1.08        1.3249    5   7   2         8
                72.74          1.13        1.3000    9   2   1         8
                73.66          2.81        1.2860    4   3   5         8
                74.06          1.26        1.2801    8   4   2         8
                74.52          1.15        1.2734    7   1   4         8
                74.52          1.14        1.2734    1   7   4         8
                75.28          2.01        1.2624    0   0   6         2
                79.34          2.73        1.2076    6   1   5         8
                81.45          1.58        1.1816    5   9   0         4
                82.53          2.26        1.1689    7   7   2         8
                83.07          1.33        1.1626    6   3   5         8
                83.45          1.31        1.1583    8   6   2         8
                84.82          1.30        1.1431    6   6   4         8
                84.92          1.30        1.1420    7   0   5         8
                86.23          1.36        1.1280    5   9   2         8
                89.43          1.02        1.0957    1   9   4         8
                89.86          1.79        1.0915   10   1   3         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.