Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p5
      Note: P = 30.48 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020346

      CELL PARAMETERS:    4.6301   4.6301  13.8300   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    256.764
      Density (g/cm3):      4.437
      MAX. ABS. INTENSITY / VOLUME**2:      43.87646668    
      RIR:      3.220
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.68         34.69        3.4688    0   1   2         6
                34.24        100.00        2.6185    1   0   4         6
                38.90         23.17        2.3150    1   1   0         6
                43.76         17.41        2.0688    1   1   3        12
                47.20         20.14        1.9256    2   0   2         6
                52.78          9.83        1.7344    0   2   4         6
                56.32         23.43        1.6334    1   1   6        12
                58.11         14.42        1.5875    0   1   8         6
                61.56          2.06        1.5065    2   1   1        12
                62.76         11.97        1.4804    1   2   2        12
                67.48          8.61        1.3881    2   1   4        12
                70.45          8.97        1.3366    3   0   0         6
                70.90          1.04        1.3291    1   2   5        12
                72.15          3.01        1.3092    2   0   8         6
                72.26          1.50        1.3074    1   0  10         6
                74.05          1.52        1.2803    1   1   9        12
                83.97          2.04        1.1525    0   0  12         2
                85.14          3.67        1.1396    1   2   8        12
                85.25          1.91        1.1384    0   2  10         6
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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.