Melilite
      Bindi L, Bonazzi P
      Physics and Chemistry of Minerals 32 (2005) 89-96
      Incommensurate-normal phase transition in natural melilite:
      an in situ high-temperature X-ray single-crystal study
      Sample: San Venanzo, Italy; T = 298 K
      Note: xO1 and yO1 corrected by authors
      _database_code_amcsd 0008953

      CELL PARAMETERS:    7.8260   7.8260   5.0040   90.000   90.000   90.000
      SPACE GROUP: P-42_1m   
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    306.476
      Density (g/cm3):      2.959
      MAX. ABS. INTENSITY / VOLUME**2:      20.37734078    
      RIR:      2.242
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.02          9.23        5.5338    1   1   0         4
                17.72          2.11        5.0040    0   0   1         2
                21.07          7.61        4.2159    1   0   1         8
                22.72          2.93        3.9130    2   0   0         4
                23.98         11.44        3.7116    1   1   1         4
                25.45          4.50        3.4999    2   1   0         8
                28.97         24.67        3.0825    2   0   1         8
                31.19        100.00        2.8680    2   1   1         8
                32.36          3.89        2.7669    2   2   0         4
                35.89          1.73        2.5020    0   0   2         2
                36.30         16.45        2.4748    3   1   0         8
                37.13          5.17        2.4214    2   2   1         4
                37.75          6.27        2.3832    1   0   2         8
                38.93          7.05        2.3132    3   0   1         8
                39.53          2.39        2.2798    1   1   2         4
                40.67          1.50        2.2183    3   1   1         8
                44.51         11.61        2.0354    2   1   2         8
                45.55          2.02        1.9913    3   2   1         8
                46.41          4.81        1.9565    4   0   0         4
                47.93          5.96        1.8981    4   1   0         8
                49.09          3.96        1.8558    2   2   2         4
                49.41          9.02        1.8446    3   3   0         4
                51.49          8.17        1.7747    4   1   1         8
                51.97         17.27        1.7595    3   1   2         8
                52.28          5.32        1.7499    4   2   0         8
                52.90          2.86        1.7308    3   3   1         4
                56.09          2.10        1.6396    3   2   2         8
                57.73          1.50        1.5970    1   1   3         4
                60.32          1.23        1.5344    2   0   3         8
                61.59          3.72        1.5057    2   1   3         8
                63.39          2.30        1.4673    5   1   1         8
                65.32          3.63        1.4285    2   2   3         4
                66.54          2.02        1.4053    3   0   3         8
                67.06          6.81        1.3956    5   2   1         8
                67.73          2.24        1.3835    4   4   0         4
                70.64          1.35        1.3334    4   4   1         4
                71.04          1.05        1.3269    4   3   2         8
                72.46          2.36        1.3043    6   0   0         4
                75.95          3.08        1.2529    4   1   3         8
                77.09          1.52        1.2372    3   3   3         4
                79.85          1.37        1.2012    6   2   1         8
                80.98          1.54        1.1873    5   4   1         8
                83.60          1.34        1.1566    6   0   2         8
                86.09          1.63        1.1294    5   1   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.