Ankerite
      Ross N L, Reeder R J
      American Mineralogist 77 (1992) 412-421
      High-pressure structural study of dolomite and ankerite
      P = 4.00 GPa
      _database_code_amcsd 0001452

      CELL PARAMETERS:    4.7990   4.7990  15.7920   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    314.970
      Density (g/cm3):      3.279
      MAX. ABS. INTENSITY / VOLUME**2:      32.05594971    
      RIR:      3.184
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.84          3.13        5.2640    0   0   3         2
                22.12          2.13        4.0192    1   0   1         6
                24.20         17.48        3.6777    0   1   2         6
                31.25        100.00        2.8624    1   0   4         6
                37.48         16.27        2.3995    1   1   0         6
                41.35         12.08        2.1834    2  -1   3         6
                41.35          7.46        2.1834    1   1   3         6
                45.12         16.98        2.0096    2   0   2         6
                49.57          7.27        1.8389    0   2   4         6
                51.23         17.82        1.7831    0   1   8         6
                51.54         14.67        1.7732    2  -1   6         6
                51.54          9.78        1.7732    1   1   6         6
                59.10          2.60        1.5631    2   1   1         6
                60.05          7.04        1.5406   -1   3   2         6
                60.05          3.83        1.5406    1   2   2         6
                62.96          1.48        1.4762    1   0  10         6
                63.77          3.42        1.4596    2   1   4         6
                63.77          4.47        1.4596    3  -1   4         6
                65.18          3.31        1.4312    2   0   8         6
                65.95          1.94        1.4164    1   1   9         6
                67.63          8.21        1.3854    3   0   0         6
                71.72          3.29        1.3160    0   0  12         2
                75.63          2.84        1.2573    0   2  10         6
                77.69          1.13        1.2292   -1   3   8         6
                77.69          2.77        1.2292    1   2   8         6
                83.84          1.75        1.1539    1   1  12         6
                87.61          1.37        1.1137    3  -1  10         6
                87.61          1.26        1.1137    2   1  10         6
                88.33          1.33        1.1065    1   3   4         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.