Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p7
      Note: P = 33.56 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020348

      CELL PARAMETERS:    4.6193   4.6193  13.6960   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    253.091
      Density (g/cm3):      4.501
      MAX. ABS. INTENSITY / VOLUME**2:      43.75312521    
      RIR:      3.165
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.79         36.53        3.4542    0   1   2         6
                34.48        100.00        2.6013    1   0   4         6
                39.00         23.40        2.3096    1   1   0         6
                43.93         18.24        2.0609    1   1   3        12
                47.35         20.39        1.9200    2   0   2         6
                53.02         10.10        1.7271    0   2   4         6
                56.70         23.80        1.6235    1   1   6        12
                58.66         14.27        1.5739    0   1   8         6
                61.72          2.02        1.5029    2   1   1        12
                62.95         12.00        1.4765    1   2   2        12
                67.75          8.94        1.3832    2   1   4        12
                70.64          9.49        1.3335    3   0   0         6
                71.24          1.01        1.3237    1   2   5        12
                72.70          3.06        1.3006    2   0   8         6
                73.02          1.49        1.2958    1   0  10         6
                74.70          1.58        1.2707    1   1   9        12
                84.98          2.06        1.1413    0   0  12         2
                85.73          3.79        1.1333    1   2   8        12
                86.03          1.89        1.1301    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.