Melilite
      Armbruster T, Rothlisberger F
      American Mineralogist 75 (1990) 963-969
      Crystal growth and structures of mixed-anion silicates-germanates:
      Ca5[(Ge,Si)2O7][(Ge,Si)O4] and Na2Ca6[Si2O7][SiO4]2
      sample Ca5Ge2.23Si.77O11
      _database_code_amcsd 0001318

      CELL PARAMETERS:   10.9120   8.6950  11.0000   90.000   96.870   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1036.185
      Density (g/cm3):      3.589
      MAX. ABS. INTENSITY / VOLUME**2:      19.54621504    
      RIR:      1.773
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.06          1.26        6.7811    1   1   0         4
                15.89          4.54        5.5768    1   1   1         4
                20.10         12.09        4.4177   -1   1   2         4
                20.43         31.62        4.3475    0   2   0         2
                22.01          3.31        4.0392    0   2   1         4
                24.49          2.37        3.6344    2   0   2         2
                26.20          2.49        3.4012    0   2   2         4
                26.29          1.55        3.3905    2   2   0         4
                26.73         27.95        3.3350    3   1   0         4
                26.92         14.68        3.3124   -1   1   3         4
                26.94          1.08        3.3090   -2   2   1         4
                27.08          6.72        3.2928   -3   1   1         4
                27.84          4.65        3.2041   -2   0   3         2
                28.14          5.42        3.1715    2   2   1         4
                28.69          2.13        3.1118    1   1   3         4
                28.84         16.68        3.0955    3   1   1         4
                29.81         19.06        2.9973   -3   1   2         4
                29.96        100.00        2.9822   -2   2   2         4
                31.20          5.28        2.8668    2   0   3         2
                31.96          4.39        2.7999    1   3   0         4
                32.07          3.83        2.7911    0   2   3         4
                32.10         70.25        2.7884    2   2   2         4
                32.77          2.15        2.7326   -1   3   1         4
                32.80         31.01        2.7303    0   0   4         2
                32.98         17.14        2.7158    3   1   2         4
                33.07          2.71        2.7084    4   0   0         2
                33.11          6.92        2.7055   -4   0   1         2
                33.28          2.73        2.6922    1   3   1         4
                34.40         11.38        2.6067   -3   1   3         4
                35.08          2.82        2.5583    4   0   1         2
                35.58          6.97        2.5233   -1   3   2         4
                36.38          5.30        2.4694    1   1   4         4
                38.57          6.13        2.3340    3   1   3         4
                38.95          1.45        2.3121    0   2   4         4
                39.19          2.06        2.2988    4   2   0         4
                40.13          3.38        2.2471   -3   3   1         4
                41.02          1.54        2.2001   -4   2   2         4
                41.28         11.09        2.1869    1   3   3         4
                41.39          1.89        2.1813    3   3   1         4
                41.54         13.65        2.1737    0   4   0         2
                42.52          1.48        2.1260   -1   1   5         4
                42.75          2.19        2.1154   -2   0   5         2
                43.02          8.64        2.1024    5   1   0         4
                44.20         10.64        2.0493   -4   0   4         2
                44.52          5.31        2.0350    1   1   5         4
                45.35          1.68        1.9998   -2   4   1         4
                45.69          7.49        1.9857   -1   3   4         4
                47.21          1.78        1.9252    1   3   4         4
                47.34          8.38        1.9204   -2   4   2         4
                47.36          3.29        1.9197   -5   1   3         4
                47.82          3.08        1.9022   -2   2   5         4
                48.80          2.07        1.8663    0   4   3         4
                48.82          6.24        1.8655    2   4   2         4
                50.20          8.76        1.8172    4   0   4         2
                50.44          3.85        1.8093   -4   0   5         2
                50.45          1.66        1.8089   -3   3   4         4
                51.36          4.99        1.7789   -6   0   2         2
                52.32          4.66        1.7486   -1   3   5         4
                52.56          1.22        1.7412    3   1   5         4
                52.60          7.46        1.7399   -5   3   1         4
                52.75         16.49        1.7354    5   3   0         4
                53.06          1.06        1.7259    1   1   6         4
                53.88          1.08        1.7016   -5   3   2         4
                53.91          7.34        1.7006    0   4   4         4
                54.04         10.71        1.6969    1   3   5         4
                54.12          1.07        1.6945   -4   4   1         4
                54.31          2.51        1.6890    5   3   1         4
                54.97          2.16        1.6704   -4   2   5         4
                55.48          4.96        1.6563    6   0   2         2
                55.48          9.11        1.6562   -2   2   6         4
                56.52          2.24        1.6283   -5   3   3         4
                57.22          2.23        1.6100    5   3   2         4
                57.27          2.12        1.6088    4   0   5         2
                58.26          6.04        1.5837   -6   2   3         4
                58.43          4.04        1.5795    5   1   4         4
                58.95          2.47        1.5668    3   5   0         4
                59.05          2.36        1.5644   -1   5   3         4
                59.13          1.66        1.5624   -3   5   1         4
                59.40          4.72        1.5559    2   2   6         4
                59.73          2.11        1.5481   -1   3   6         4
                59.83          1.75        1.5459   -1   1   7         4
                60.09          2.26        1.5397    3   5   1         4
                60.34          1.21        1.5340   -7   1   1         4
                60.40          2.64        1.5326   -5   3   4         4
                60.59          1.12        1.5283    3   1   6         4
                60.64          4.02        1.5272   -3   5   2         4
                61.20          5.42        1.5145   -7   1   2         4
                61.45          1.45        1.5088    4   2   5         4
                61.71          1.50        1.5032   -4   2   6         4
                62.51          3.57        1.4857    3   5   2         4
                62.92          1.41        1.4772   -3   1   7         4
                63.33          1.74        1.4685    0   2   7         4
                63.40          2.44        1.4671   -3   5   3         4
                63.77          3.76        1.4594   -2   2   7         4
                64.28          9.30        1.4492    0   6   0         2
                65.51          5.75        1.4248    7   1   2         4
                66.14          2.82        1.4128    3   5   3         4
                66.56          6.56        1.4049    5   3   4         4
                67.34          2.97        1.3906   -4   4   5         4
                67.79          1.16        1.3824   -2   4   6         4
                67.86          1.16        1.3811   -1   3   7         4
                68.00          1.50        1.3786    2   2   7         4
                68.77          2.38        1.3651    0   0   8         2
                69.25          2.73        1.3568    3   1   7         4
                69.27          1.05        1.3565   -4   2   7         4
                69.88          1.09        1.3461    2   6   2         4
                70.28          1.34        1.3394   -6   4   3         4
                71.16          3.28        1.3250   -7   1   5         4
                73.20          3.17        1.2929    8   2   0         4
                74.06          2.79        1.2800    0   6   4         4
                74.92          1.29        1.2675    0   4   7         4
                75.33          1.15        1.2616   -2   4   7         4
                78.09          1.18        1.2238   -8   2   4         4
                78.40          2.66        1.2198   -5   3   7         4
                78.62          2.04        1.2168   -7   3   5         4
                79.28          1.65        1.2084    2   4   7         4
                79.33          1.13        1.2078   -6   2   7         4
                81.32          1.17        1.1832   -4   6   4         4
                82.80          1.46        1.1657   -1   5   7         4
                84.00          3.01        1.1521   -7   5   2         4
                85.75          1.28        1.1330    4   6   4         4
                86.99          1.23        1.1201    8   2   4         4
                87.81          1.61        1.1117    9   3   0         4
                87.87          3.69        1.1111    7   5   2         4
                88.38          2.14        1.1060    7   1   6         4
                88.88          2.24        1.1010    1   3   9         4
                89.23          1.26        1.0976   -9   3   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.