Melilite
      Bindi L, Bonazzi P, Fitton J G
      European Journal of Mineralogy 13 (2001) 121-125
      Crystal chemistry of strontian soda melilite from nephelinite
      lava of Mt. Etinde, Cameroon
      Sample: ET1
      Locality: nephelinite lava of Mt. Etinde, Cameroon
      _database_code_amcsd 0006851

      CELL PARAMETERS:    7.7540   7.7540   5.1010   90.000   90.000   90.000
      SPACE GROUP: P-42_1m   
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    306.695
      Density (g/cm3):      3.186
      MAX. ABS. INTENSITY / VOLUME**2:      25.57109875    
      RIR:      2.614
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.17          2.99        5.4829    1   1   0         4
                17.38          6.74        5.1010    0   0   1         2
                20.84          3.04        4.2615    1   0   1         8
                23.83         17.92        3.7347    1   1   1         4
                25.69          1.41        3.4677    2   1   0         8
                28.93         27.51        3.0867    2   0   1         8
                31.19        100.00        2.8678    2   1   1         8
                32.66          5.08        2.7415    2   2   0         4
                35.19          5.45        2.5505    0   0   2         2
                36.65         20.24        2.4520    3   1   0         8
                37.11          6.10        2.4228    1   0   2         8
                37.23          5.83        2.4148    2   2   1         4
                38.95          2.08        2.3125    1   1   2         4
                39.07          6.58        2.3056    3   0   1         8
                40.83          1.10        2.2100    3   1   1         8
                44.08         10.62        2.0546    2   1   2         8
                45.79          1.82        1.9817    3   2   1         8
                46.87          4.91        1.9385    4   0   0         4
                48.40          4.88        1.8806    4   1   0         8
                48.77          3.63        1.8673    2   2   2         4
                49.90          7.25        1.8276    3   3   0         4
                50.36          1.40        1.8121    4   0   1         8
                51.71         21.43        1.7676    3   1   2         8
                51.81          6.53        1.7645    4   1   1         8
                52.80          6.30        1.7338    4   2   0         8
                53.24          4.21        1.7205    3   3   1         4
                55.93          1.62        1.6441    3   2   2         8
                56.02          1.17        1.6416    4   2   1         8
                56.68          1.99        1.6240    1   1   3         4
                59.35          1.64        1.5572    2   0   3         8
                60.66          6.04        1.5267    2   1   3         8
                62.52          1.32        1.4856    3   3   2         4
                63.88          2.68        1.4573    5   1   1         8
                64.49          2.83        1.4450    2   2   3         4
                65.05          1.94        1.4339    4   2   2         8
                66.97          1.23        1.3973    3   1   3         8
                67.60          9.18        1.3857    5   2   1         8
                68.45          2.91        1.3707    4   4   0         4
                71.23          1.14        1.3238    4   4   1         4
                73.24          3.04        1.2923    6   0   0         4
                74.39          1.14        1.2752    0   0   4         2
                75.36          3.58        1.2613    4   1   3         8
                75.88          1.18        1.2539    5   2   2         8
                76.53          1.83        1.2449    3   3   3         4
                77.12          1.01        1.2367    6   1   1         8
                79.36          1.15        1.2074    4   4   2         4
                80.59          1.95        1.1921    6   2   1         8
                81.73          1.96        1.1782    5   4   1         8
                83.94          2.14        1.1528    6   0   2         8
                84.77          1.01        1.1436    3   0   4         8
                85.71          1.83        1.1335    5   1   3         8
                85.91          2.55        1.1314    3   1   4         8
                89.11          1.62        1.0988    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.