Natrite
      Zubkova N V, Pushcharovsky D Y, Ivaldi G, Ferraris G, Pekov I V, Chukanov N V
      Neues Jahrbuch fur Mineralogie, Monatshefte 2002 (2002) 85-96
      Crystal structure of natrite, gamma-Na2CO3
      Locality: Mt Koashva, Khibiny alkaline massif, Kola Peninsula, Russia
      _database_code_amcsd 0014917

      CELL PARAMETERS:    8.9050   5.2370   6.0450   90.000  101.320   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    276.427
      Density (g/cm3):      2.546
      MAX. ABS. INTENSITY / VOLUME**2:      3.947166124    
      RIR:      0.505
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.77          1.89        4.4912    1   1   0         4
                22.80          2.67        3.8997   -2   0   1         2
                23.62          5.79        3.7674   -1   1   1         4
                26.07         18.51        3.4174    1   1   1         4
                27.65         20.10        3.2259    2   0   1         2
                30.15         81.59        2.9637    0   0   2         2
                33.03         15.29        2.7119   -2   0   2         2
                34.24         54.16        2.6185    0   2   0         2
                34.54         47.50        2.5971   -1   1   2         4
                35.28        100.00        2.5441    3   1   0         4
                37.55          5.22        2.3952    0   2   1         4
                38.03         95.76        2.3663    1   1   2         4
                39.98         49.21        2.2550    2   0   2         2
                40.16          5.35        2.2456    2   2   0         4
                40.93          1.27        2.2048    3   1   1         4
                41.17         29.02        2.1928   -4   0   1         2
                41.54         45.65        2.1739   -2   2   1         4
                42.68          1.38        2.1184   -3   1   2         4
                44.57         21.66        2.0330    2   2   1         4
                46.58         25.04        1.9499   -4   0   2         2
                47.10          6.36        1.9293    4   0   1         2
                48.32         46.43        1.8837   -2   2   2         4
                48.42          2.19        1.8798   -1   1   3         4
                51.18          2.44        1.7850    3   1   2         4
                53.53          6.32        1.7118    1   3   0         4
                53.63          2.54        1.7090   -3   1   3         4
                53.64         22.68        1.7087    2   2   2         4
                54.59          1.53        1.6812   -4   2   1         4
                54.62          2.03        1.6804    2   0   3         2
                54.75          9.92        1.6767    4   2   0         4
                55.46          5.75        1.6567    5   1   0         4
                56.34          7.40        1.6330   -4   0   3         2
                57.10          7.41        1.6129    4   0   2         2
                58.52          3.94        1.5772    0   2   3         4
                58.55          3.39        1.5765   -5   1   2         4
                59.07          6.16        1.5639   -4   2   2         4
                59.08          7.37        1.5637   -2   2   3         4
                59.52          1.01        1.5532    4   2   1         4
                60.79          1.77        1.5237    5   1   1         4
                61.99          7.33        1.4971    3   3   0         4
                62.07          3.17        1.4954   -2   0   4         2
                62.43          1.70        1.4876   -3   3   1         4
                62.68          1.72        1.4823   -6   0   1         2
                62.70          9.42        1.4819    0   0   4         2
                63.83          7.09        1.4582    1   3   2         4
                63.97          2.87        1.4553    6   0   0         2
                64.16          1.24        1.4515   -1   1   4         4
                65.87          2.21        1.4179    3   3   1         4
                67.47          6.06        1.3882   -3   1   4         4
                69.46          1.47        1.3532    6   0   1         2
                70.04          2.57        1.3435    5   1   2         4
                72.15          7.02        1.3092    0   4   0         2
                73.42          3.62        1.2897    0   2   4         4
                74.61          8.44        1.2720    6   2   0         4
                76.22          1.81        1.2492   -6   2   2         4
                79.42          2.41        1.2067   -7   1   2         4
                79.92          2.48        1.2003   -5   3   2         4
                80.39          7.24        1.1944    3   1   4         4
                81.67          1.86        1.1790   -2   4   2         4
                83.46          1.56        1.1582   -6   0   4         2
                84.89          1.40        1.1423   -1   3   4         4
                85.82          3.05        1.1322    2   4   2         4
                87.91          2.60        1.1107   -3   3   4         4
                89.36          1.41        1.0964   -8   0   2         2
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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.