Butschliite
      Pabst A
      American Mineralogist 59 (1974) 353-358
      Synthesis, properties and structure of K2Ca(CO3)2, buetschliite
      _database_code_amcsd 0000400

      CELL PARAMETERS:    5.3800   5.3800  18.1200   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    454.207
      Density (g/cm3):      2.613
      MAX. ABS. INTENSITY / VOLUME**2:      20.45204612    
      RIR:      2.548
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.67          2.98        4.5124    1   0   1         6
                21.45          2.88        4.1434    0   1   2         6
                27.46          8.68        3.2479    1   0   4         6
                29.58         14.01        3.0200    0   0   6         2
                31.27        100.00        2.8606    0   1   5         6
                33.31         44.80        2.6900    1   1   0         6
                38.98          2.89        2.3106    0   2   1         6
                39.96         19.08        2.2562    2   0   2         6
                43.69         33.48        2.0717    0   2   4         6
                45.03          3.32        2.0133    0   0   9         2
                45.14          2.15        2.0087    1   1   6        12
                46.33         16.81        1.9596    2   0   5         6
                52.19          9.12        1.7528    2   1   1        12
                54.32         11.71        1.6888    1   0  10         6
                56.03          3.05        1.6414    2   1   4        12
                56.68          4.05        1.6240    2   0   8         6
                57.15         11.42        1.6119    1   1   9        12
                58.25          8.04        1.5839    1   2   5        12
                59.52          4.23        1.5531    3   0   0         6
                61.67          1.45        1.5041    0   3   3         6
                63.94          2.09        1.4560    2   1   7        12
                69.94          8.06        1.3450    2   2   0         6
                75.24          5.08        1.2629    2   1  10        12
                76.37          3.34        1.2471    0   1  14         6
                76.69          1.76        1.2427    1   3   4        12
                77.64          3.84        1.2297    0   3   9         6
                78.60          5.85        1.2172    3   1   5        12
                86.22          1.49        1.1281    4   0   4         6
                87.15          1.89        1.1184    2   2   9        12
                88.08          1.36        1.1089    0   4   5         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.