Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p9
      Note: P = 5.20 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020366

      CELL PARAMETERS:    4.7388   4.7388  15.2870   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    297.296
      Density (g/cm3):      3.832
      MAX. ABS. INTENSITY / VOLUME**2:      42.13440044    
      RIR:      3.580
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.62         29.41        3.6157    0   1   2         6
                32.00        100.00        2.7968    1   0   4         6
                37.98         20.07        2.3694    1   1   0         6
                42.06         16.84        2.1485    1   1   3        12
                45.78         18.77        1.9818    2   0   2         6
                50.48          9.30        1.8079    0   2   4         6
                52.76         25.54        1.7351    1   1   6        12
                52.85         17.77        1.7323    0   1   8         6
                59.94          2.22        1.5432    2   1   1        12
                60.95         11.86        1.5202    1   2   2        12
                64.87          8.29        1.4373    2   1   4        12
                65.12          1.86        1.4325    1   0  10         6
                66.91          3.34        1.3984    2   0   8         6
                67.74          1.27        1.3833    1   2   5        12
                67.90          2.12        1.3805    1   1   9        12
                68.60          8.63        1.3680    3   0   0         6
                74.48          2.99        1.2739    0   0  12         2
                77.93          2.50        1.2259    0   2  10         6
                79.60          3.95        1.2043    1   2   8        12
                86.80          2.42        1.1220    1   1  12        12
                89.93          1.83        1.0909    1   3   4        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.