Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p17
      Note: P = 12.73 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020374

      CELL PARAMETERS:    4.6929   4.6929  14.7382   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    281.098
      Density (g/cm3):      4.053
      MAX. ABS. INTENSITY / VOLUME**2:      43.72829705    
      RIR:      3.513
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.02         31.09        3.5588    0   1   2         6
                32.81        100.00        2.7297    1   0   4         6
                38.36         21.19        2.3465    1   1   0         6
                42.70         17.26        2.1173    1   1   3        12
                46.35         19.50        1.9590    2   0   2         6
                51.35          9.73        1.7794    0   2   4         6
                54.05         25.52        1.6967    1   1   6        12
                54.70         17.02        1.6779    0   1   8         6
                60.61          2.22        1.5278    2   1   1        12
                61.68         12.31        1.5038    1   2   2        12
                65.88          8.83        1.4178    2   1   4        12
                67.62          1.82        1.3855    1   0  10         6
                68.78          3.40        1.3649    2   0   8         6
                68.93          1.24        1.3622    1   2   5        12
                69.37          9.23        1.3547    3   0   0         6
                70.07          2.00        1.3429    1   1   9        12
                77.76          2.80        1.2282    0   0  12         2
                80.51          2.44        1.1931    0   2  10         6
                81.60          4.17        1.1798    1   2   8        12
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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.