Narsarsukite
      Peacor D R, Buerger M J
      American Mineralogist 47 (1962) 539-556
      The determination and refinement of the structure of narsarsukite, Na2TiOSi4O10
      _database_code_amcsd 0000113

      CELL PARAMETERS:   10.7269  10.7269   7.9476   90.000   90.000   90.000
      SPACE GROUP: I4/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    914.502
      Density (g/cm3):      2.775
      MAX. ABS. INTENSITY / VOLUME**2:      7.702299657    
      RIR:      0.904
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.67          7.57        7.5851    1   1   0         4
                16.53         97.02        5.3635    2   0   0         4
                21.64         23.32        4.1070    2   1   1         8
                22.37         92.86        3.9738    0   0   2         2
                23.46         38.76        3.7925    2   2   0         4
                26.27         36.76        3.3921    1   3   0         4
                26.27         43.26        3.3921    3   1   0         4
                27.35        100.00        3.2608    3   0   1         8
                27.94         44.70        3.1929    2   0   2         8
                32.64         12.75        2.7436    2   2   2         8
                33.41          8.45        2.6817    4   0   0         4
                34.77         67.35        2.5800    1   3   2         8
                34.88          5.63        2.5719    1   0   3         8
                35.51         60.71        2.5284    3   3   0         4
                36.33          1.31        2.4725    1   4   1         8
                37.50          7.76        2.3986    2   4   0         4
                37.50          1.59        2.3986    4   2   0         4
                38.83         18.36        2.3191    2   1   3         8
                40.58          5.92        2.2229    4   0   2         8
                42.47          1.99        2.1286    3   0   3         8
                42.99          6.43        2.1037    1   5   0         4
                43.70          4.03        2.0712    3   4   1         8
                44.10         11.65        2.0535    4   2   2         8
                45.66         23.28        1.9869    0   0   4         2
                45.87         22.66        1.9785    3   2   3         8
                45.87          2.45        1.9785    2   3   3         8
                47.03          5.97        1.9322    5   2   1         8
                47.03          5.14        1.9322    2   5   1         8
                47.29         10.18        1.9221    1   1   4         8
                47.98         12.08        1.8963    4   4   0         4
                48.88          4.27        1.8632    2   0   4         8
                48.99          6.41        1.8593    1   5   2         8
                49.55          1.81        1.8396    5   3   0         4
                51.09         24.14        1.7878    6   0   0         4
                53.20          1.67        1.7216    6   1   1         8
                53.20          4.33        1.7216    1   6   1         8
                53.44          2.57        1.7144    3   1   4         8
                53.44          1.07        1.7144    1   3   4         8
                53.55          4.61        1.7114    4   4   2         8
                54.07          9.96        1.6961    2   6   0         4
                55.00          1.83        1.6694    5   3   2         8
                55.08          1.30        1.6672    3   4   3         8
                55.08          1.20        1.6672    5   0   3         8
                55.08         19.21        1.6672    4   3   3         8
                56.44          5.20        1.6304    6   0   2         8
                57.75          2.33        1.5965    4   0   4         8
                57.92          3.86        1.5921    5   2   3         8
                57.92          5.70        1.5921    2   5   3         8
                58.91          5.21        1.5677    6   3   1         8
                58.91          2.37        1.5677    3   6   1         8
                59.14          7.21        1.5622    3   3   4         8
                59.23          4.86        1.5599    6   2   2         8
                59.23          2.01        1.5599    2   6   2         8
                60.51          5.59        1.5301    2   4   4         8
                61.09          6.46        1.5170    1   7   0         4
                61.09          3.70        1.5170    5   5   0         4
                61.45          5.09        1.5088    2   1   5         8
                61.64          1.22        1.5047    7   0   1         8
                62.43          6.59        1.4876    6   4   0         4
                62.43          3.25        1.4876    4   6   0         4
                63.36          1.43        1.4680    1   6   3         8
                64.11         20.14        1.4525    3   0   5         8
                64.51          1.00        1.4445    5   1   4         8
                64.51          5.09        1.4445    1   5   4         8
                65.91          1.27        1.4173    1   7   2         8
                65.91          1.37        1.4173    5   5   2         8
                65.98          5.76        1.4159    5   4   3         8
                66.37          8.42        1.4085    7   3   0         4
                66.37          4.29        1.4085    3   7   0         4
                66.72          1.95        1.4020    3   2   5         8
                67.20         13.63        1.3931    4   6   2         8
                68.39          2.31        1.3718    4   4   4         8
                68.54          1.05        1.3690    3   6   3         8
                68.54          4.42        1.3690    6   3   3         8
                69.65          1.14        1.3499    5   3   4         8
                69.65          1.12        1.3499    3   5   4         8
                70.91          5.89        1.3290    6   0   4         8
                71.00         14.37        1.3276    7   3   2         8
                71.00          1.37        1.3276    3   7   2         8
                71.07          7.22        1.3265    7   0   3         8
                71.18          1.02        1.3246    0   0   6         2
                72.43          3.11        1.3049    1   1   6         8
                72.69          2.25        1.3008    2   8   0         4
                73.40          5.46        1.2900    2   6   4         8
                74.26          2.41        1.2772    4   3   5         8
                74.26          2.65        1.2772    3   4   5         8
                75.15          2.63        1.2642    6   6   0         4
                76.12          2.29        1.2505    2   2   6         8
                76.37          5.04        1.2470    7   5   0         4
                76.70          4.27        1.2424    5   2   5         8
                76.70          5.76        1.2424    2   5   5         8
                77.16          1.87        1.2363    2   8   2         8
                79.49          2.65        1.2057    1   7   4         8
                80.69          4.74        1.1908    6   4   4         8
                80.78          1.39        1.1898    5   7   2         8
                80.78          1.15        1.1898    7   5   2         8
                80.84          1.99        1.1890    8   1   3         8
                82.15          2.65        1.1733    3   3   6         8
                83.34          1.25        1.1595    2   4   6         8
                83.91          2.31        1.1531    5   4   5         8
                84.27          1.39        1.1491    3   7   4         8
                84.27          1.61        1.1491    7   3   4         8
                85.55          2.22        1.1352    1   9   2         8
                85.55          3.39        1.1352    9   1   2         8
                85.97          3.71        1.1307    3   9   0         4
                85.97          1.55        1.1307    9   3   0         4
                86.29          6.61        1.1273    6   3   5         8
                86.29          2.99        1.1273    3   6   5         8
                86.91          1.17        1.1209    5   1   6         8
                86.91          2.47        1.1209    1   5   6         8
                88.66          4.47        1.1032    7   0   5         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.