Ca2CoSi2O7
      Kusaka K, Hagiya K, Ohmasa M, Okano Y, Mukai M, Iishi K, Haga N
      Physics and Chemistry of Minerals 28 (2001) 150-166
      Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7
      in incommensurate and normal phases and observation of diffuse streaks at high temperature
      Sample: T = 493 K
      Melilite group
      _database_code_amcsd 0008511

      CELL PARAMETERS:    7.8590   7.8590   5.0260   90.000   90.000   90.000
      SPACE GROUP: P-42_1m   
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    310.425
      Density (g/cm3):      3.287
      MAX. ABS. INTENSITY / VOLUME**2:      21.79652933    
      RIR:      2.159
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.65         14.55        5.0260    0   0   1         2
                20.98          7.47        4.2342    1   0   1         8
                23.87         36.69        3.7276    1   1   1         4
                25.34          4.39        3.5147    2   1   0         8
                28.84         57.71        3.0957    2   0   1         8
                31.05        100.00        2.8803    2   1   1         8
                32.22         12.73        2.7786    2   2   0         4
                35.73          5.47        2.5130    0   0   2         2
                36.14         36.37        2.4852    3   1   0         8
                36.97         10.12        2.4317    2   2   1         4
                37.58          6.08        2.3936    1   0   2         8
                38.76          6.48        2.3230    3   0   1         8
                39.35          4.46        2.2898    1   1   2         4
                40.49          7.95        2.2278    3   1   1         8
                44.31         12.23        2.0442    2   1   2         8
                45.35          2.22        1.9997    3   2   1         8
                46.20          1.86        1.9648    4   0   0         4
                47.71          6.49        1.9061    4   1   0         8
                48.87         10.33        1.8638    2   2   2         4
                49.19          5.06        1.8524    3   3   0         4
                49.83          2.81        1.8299    4   0   1         8
                51.26          9.03        1.7822    4   1   1         8
                51.73         33.77        1.7671    3   1   2         8
                52.04         12.19        1.7573    4   2   0         8
                52.66          7.79        1.7381    3   3   1         4
                55.39          5.15        1.6588    4   2   1         8
                55.83          2.36        1.6466    3   2   2         8
                57.45          4.05        1.6040    1   1   3         4
                60.02          1.88        1.5413    5   1   0         8
                60.03          4.11        1.5411    2   0   3         8
                61.30          4.41        1.5123    2   1   3         8
                63.09          7.37        1.4735    5   1   1         8
                64.73          3.80        1.4401    4   2   2         8
                65.00          4.95        1.4347    2   2   3         4
                66.22          2.47        1.4114    3   0   3         8
                66.74          8.35        1.4015    5   2   1         8
                67.41          4.46        1.3893    4   4   0         4
                67.41          2.72        1.3892    3   1   3         8
                69.78          2.18        1.3478    5   3   0         8
                70.30          3.38        1.3391    4   4   1         4
                70.69          1.27        1.3326    4   3   2         8
                71.86          1.41        1.3138    5   1   2         8
                72.11          4.41        1.3098    6   0   0         4
                73.27          1.08        1.2920    6   1   0         8
                74.42          1.10        1.2748    4   0   3         8
                75.56          4.00        1.2584    4   1   3         8
                75.69          1.76        1.2565    0   0   4         2
                76.70          3.60        1.2425    3   3   3         4
                78.70          1.71        1.2159    4   4   2         4
                79.45          4.08        1.2063    6   2   1         8
                80.57          2.05        1.1923    5   4   1         8
                80.94          2.81        1.1878    5   3   2         8
                83.17          3.36        1.1615    6   0   2         8
                84.53          1.37        1.1463    4   3   3         8
                84.65          1.52        1.1449    2   2   4         4
                85.63          3.70        1.1343    5   1   3         8
                85.76          1.08        1.1329    3   0   4         8
                86.87          2.82        1.1213    3   1   4         8
                88.95          1.14        1.1004    5   2   3         8
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.