Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run1-p0
      Note: P = .0001 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020341

      CELL PARAMETERS:    4.7903   4.7903  15.7200   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    312.398
      Density (g/cm3):      3.646
      MAX. ABS. INTENSITY / VOLUME**2:      41.05101728    
      RIR:      3.666
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.26         27.51        3.6689    0   1   2         6
                31.35        100.00        2.8531    1   0   4         6
                37.55         19.70        2.3951    1   1   0         6
                41.45         16.14        2.1784    1   1   3        12
                45.21         18.14        2.0056    2   0   2         6
                49.70          9.18        1.8344    0   2   4         6
                51.46         18.50        1.7759    0   1   8         6
                51.71         25.09        1.7678    1   1   6        12
                59.22          2.22        1.5603    2   1   1        12
                60.18         11.54        1.5377    1   2   2        12
                63.26          1.85        1.4700    1   0  10         6
                63.92          8.16        1.4564    2   1   4        12
                65.42          3.41        1.4265    2   0   8         6
                66.22          2.13        1.4113    1   1   9        12
                66.65          1.29        1.4032    1   2   5        12
                67.76          8.29        1.3828    3   0   0         6
                72.10          3.16        1.3100    0   0  12         2
                75.95          2.51        1.2529    0   2  10         6
                77.95          3.98        1.2256    1   2   8        12
                84.25          2.54        1.1493    1   1  12        12
                87.96          2.75        1.1102    2   1  10        12
                88.56          1.79        1.1042    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.