Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p4
      Note: P = 27.45 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020345

      CELL PARAMETERS:    4.6416   4.6416  13.9670   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    260.597
      Density (g/cm3):      4.371
      MAX. ABS. INTENSITY / VOLUME**2:      42.11521391    
      RIR:      3.137
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.57         34.61        3.4838    0   1   2         6
                34.01        100.00        2.6361    1   0   4         6
                38.80         22.31        2.3208    1   1   0         6
                43.57         17.44        2.0770    1   1   3        12
                47.05         19.41        1.9315    2   0   2         6
                52.54          9.21        1.7419    0   2   4         6
                55.95         22.46        1.6435    1   1   6        12
                57.56         13.85        1.6014    0   1   8         6
                61.38          2.00        1.5104    2   1   1        12
                62.57         11.04        1.4846    1   2   2        12
                67.20          7.69        1.3932    2   1   4        12
                70.25          8.15        1.3399    3   0   0         6
                70.56          1.00        1.3347    1   2   5        12
                71.51          1.33        1.3193    1   0  10         6
                71.59          2.67        1.3180    2   0   8         6
                73.40          1.50        1.2900    1   1   9        12
                82.96          1.86        1.1639    0   0  12         2
                84.47          1.68        1.1470    0   2  10         6
                84.54          3.09        1.1461    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.