Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p11
      Note: P = 7.01 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020368

      CELL PARAMETERS:    4.7248   4.7248  15.1242   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    292.395
      Density (g/cm3):      3.896
      MAX. ABS. INTENSITY / VOLUME**2:      42.75871396    
      RIR:      3.574
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.74         30.59        3.5987    0   1   2         6
                32.24        100.00        2.7770    1   0   4         6
                38.09         20.45        2.3624    1   1   0         6
                42.25         17.41        2.1392    1   1   3        12
                45.95         19.21        1.9749    2   0   2         6
                50.74          9.70        1.7994    0   2   4         6
                53.13         26.27        1.7237    1   1   6        12
                53.38         17.87        1.7162    0   1   8         6
                60.14          2.21        1.5385    2   1   1        12
                61.17         12.23        1.5152    1   2   2        12
                65.17          8.87        1.4314    2   1   4        12
                65.83          1.94        1.4186    1   0  10         6
                67.45          3.51        1.3885    2   0   8         6
                68.09          1.26        1.3770    1   2   5        12
                68.52          2.20        1.3694    1   1   9        12
                68.83          9.31        1.3639    3   0   0         6
                75.42          3.08        1.2603    0   0  12         2
                78.67          2.59        1.2162    0   2  10         6
                80.18          4.29        1.1970    1   2   8        12
                87.78          2.60        1.1120    1   1  12        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.