Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p23
      Note: P = 20.24 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020380

      CELL PARAMETERS:    4.6624   4.6624  14.3300   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    269.771
      Density (g/cm3):      4.223
      MAX. ABS. INTENSITY / VOLUME**2:      44.39872017    
      RIR:      3.424
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.32         34.08        3.5176    0   1   2         6
                33.44        100.00        2.6798    1   0   4         6
                38.62         21.82        2.3312    1   1   0         6
                43.18         18.81        2.0950    1   1   3        12
                46.75         20.50        1.9432    2   0   2         6
                51.99         10.22        1.7588    0   2   4         6
                55.05         26.69        1.6682    1   1   6        12
                56.18         16.61        1.6374    0   1   8         6
                61.06          2.24        1.5175    2   1   1        12
                62.19         12.93        1.4926    1   2   2        12
                66.61          9.52        1.4040    2   1   4        12
                69.62          1.87        1.3505    1   0  10         6
                69.82          1.24        1.3471    1   2   5        12
                69.89         10.38        1.3459    3   0   0         6
                70.25          3.49        1.3399    2   0   8         6
                71.79          2.15        1.3148    1   1   9        12
                80.42          2.82        1.1942    0   0  12         2
                82.56          2.52        1.1686    0   2  10         6
                83.15          4.46        1.1617    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.