Eitelite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R110214
      Knobloch D, Pertlik F, Zemann J
      Neues Jahrbuch fur Mineralogie, Monatshefte 1980 (1980) 230-236
      Crystal structure refinements of buetschliite and eitelite:
      a contribution to the stereochemistry of trigonal carbonate minerals
      Note: synthetic
      _database_code_amcsd 0014765

      CELL PARAMETERS:   4.9543  4.9543 16.4880   90.000   90.000  120.000
      SPACE GROUP: R-3       

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Na     0.00000   0.00000   0.20144     1.000     1.513
            Mg     0.00000   0.00000   0.00000     1.000     0.699
            C      0.00000   0.00000   0.59049     1.000     0.628
            O      0.21004   0.91957   0.58941     1.000     1.204

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  3 +/- 15
            MAX. ABS. INTENSITY / VOLUME**2:      13.43745603    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                23.37         13.65        3.8060    0   1   2
                32.58         18.71        2.7480    0   0   6
                34.30        100.00        2.6146    0   1   5
                36.26         24.19        2.4771    1   1   0
                39.92         15.90        2.2584    2  -1   3
                39.92          5.13        2.2584    1   1   3
                42.49          2.53        2.1273    0   2   1
                43.59         17.65        2.0761    2   0   2
                47.80         23.34        1.9030    0   2   4
                49.03          2.39        1.8578    0   1   8
                49.54          3.55        1.8399    2  -1   6
                49.54          7.90        1.8399    1   1   6
                50.77         11.64        1.7982    2   0   5
                57.07         10.07        1.6139    2   1   1
                57.96          1.57        1.5912   -1   3   2
                60.12         14.57        1.5391    1   0  10
                61.44          1.43        1.5091    3  -1   4
                62.49          1.91        1.4862    2   0   8
                63.12          6.48        1.4729    2  -1   9
                63.98          1.40        1.4552   -1   3   5
                63.98          8.38        1.4552    1   2   5
                65.24          6.87        1.4302    3   0   0
                68.26          1.26        1.3740    0   0  12
                70.50          2.09        1.3357    2   1   7
                74.44          1.42        1.2745   -1   3   8
                76.99          1.80        1.2386    2   2   0
                83.64          2.20        1.1562    3  -1  10
                83.64          2.84        1.1562    2   1  10
                86.29          1.03        1.1273    0   3   9
                87.06          2.19        1.1193   -1  -3   5
                89.07          1.28        1.0992    0   0  15
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.