Norsethite
      Effenberger H, Zemann J
      Zeitschrift fur Kristallographie 171 (1985) 275-280
      Single crystal X-Ray investigation of norsethite, BaMg(CO3)2:
      one more mineral with an aplanar carbonate group
      Locality: synthetic
      Sample: Model 1
      _database_code_amcsd 0010924

      CELL PARAMETERS:    5.0220   5.0220  16.7700   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    366.283
      Density (g/cm3):      3.830
      MAX. ABS. INTENSITY / VOLUME**2:      62.18311999    
      RIR:      5.287
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.85         22.71        5.5900    0   0   3         2
                21.10         37.74        4.2099    1   0   1         6
                23.04         42.98        3.8607    0   1   2         6
                29.60        100.00        3.0184    1   0   4         6
                32.02          1.07        2.7950    0   0   6         2
                33.75         29.48        2.6560    0   1   5         6
                35.76         29.25        2.5110    1   1   0         6
                39.34         21.32        2.2905    1   1   3        12
                41.89         24.68        2.1565    0   2   1         6
                42.97         21.47        2.1050    2   0   2         6
                43.11          7.87        2.0984    1   0   7         6
                47.08          8.46        1.9304    0   2   4         6
                48.19         18.34        1.8884    0   1   8         6
                48.75         25.90        1.8679    1   1   6        12
                48.88          3.70        1.8633    0   0   9         2
                56.23          3.43        1.6360    2   1   1        12
                57.10         13.41        1.6131    1   2   2        12
                59.04          3.55        1.5647    1   0  10         6
                60.50         13.75        1.5304    2   1   4        12
                61.44          6.01        1.5092    2   0   8         6
                62.02          4.97        1.4963    1   1   9        12
                62.97          7.76        1.4761    1   2   5        12
                64.25          4.22        1.4497    3   0   0         6
                66.65          3.20        1.4033    3   0   3         6
                66.96          2.71        1.3975    0   0  12         2
                69.33          4.77        1.3554    2   1   7        12
                70.97          5.12        1.3280    0   2  10         6
                73.16          5.83        1.2935    1   2   8        12
                73.60          2.93        1.2869    3   0   6         6
                73.60          3.61        1.2869    0   3   6         6
                75.76          1.77        1.2555    2   2   0         6
                76.28          2.44        1.2483    2   0  11         6
                77.12          1.52        1.2367    1   0  13         6
                78.30          4.72        1.2211    1   1  12        12
                80.43          1.04        1.1940    3   1   2        12
                82.10          3.36        1.1739    2   1  10        12
                83.37          1.83        1.1592    1   3   4        12
                83.76          1.65        1.1549    0   1  14         6
                84.72          1.35        1.1442    0   3   9         6
                88.03          1.37        1.1095    0   2  13         6
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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.