Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p3
      Note: P = 25.34 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020344

      CELL PARAMETERS:    4.6473   4.6473  14.0750   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    263.257
      Density (g/cm3):      4.327
      MAX. ABS. INTENSITY / VOLUME**2:      41.18942101    
      RIR:      3.099
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.50         35.04        3.4937    0   1   2         6
                33.84        100.00        2.6491    1   0   4         6
                38.75         22.08        2.3236    1   1   0         6
                43.46         17.16        2.0823    1   1   3        12
                46.96         18.90        1.9348    2   0   2         6
                52.38          9.14        1.7469    0   2   4         6
                55.68         22.02        1.6509    1   1   6        12
                57.14         13.72        1.6121    0   1   8         6
                61.29          1.85        1.5124    2   1   1        12
                62.46         10.50        1.4868    1   2   2        12
                67.02          7.52        1.3963    2   1   4        12
                70.15          7.80        1.3416    3   0   0         6
                70.94          1.31        1.3286    1   0  10         6
                71.19          2.63        1.3245    2   0   8         6
                72.91          1.42        1.2974    1   1   9        12
                82.18          1.78        1.1729    0   0  12         2
                83.89          1.58        1.1534    0   2  10         6
                84.13          2.98        1.1507    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.