Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p0
      Note: P = .0001 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020357

      CELL PARAMETERS:    4.7799   4.7799  15.6940   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    310.529
      Density (g/cm3):      3.668
      MAX. ABS. INTENSITY / VOLUME**2:      40.70293266    
      RIR:      3.613
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.31         28.67        3.6613    0   1   2         6
                31.41        100.00        2.8476    1   0   4         6
                37.64         19.58        2.3900    1   1   0         6
                41.54         16.47        2.1738    1   1   3        12
                45.31         18.19        2.0013    2   0   2         6
                49.81          9.22        1.8307    0   2   4         6
                51.55         18.34        1.7728    0   1   8         6
                51.82         25.43        1.7644    1   1   6        12
                59.36          2.13        1.5569    2   1   1        12
                60.32         11.44        1.5344    1   2   2        12
                63.38          1.90        1.4675    1   0  10         6
                64.07          8.18        1.4533    2   1   4        12
                65.56          3.39        1.4238    2   0   8         6
                66.36          2.15        1.4087    1   1   9        12
                66.81          1.23        1.4003    1   2   5        12
                67.93          8.35        1.3798    3   0   0         6
                72.24          3.12        1.3078    0   0  12         2
                76.12          2.50        1.2505    0   2  10         6
                78.14          3.95        1.2232    1   2   8        12
                84.44          2.47        1.1473    1   1  12        12
                88.18          2.71        1.1080    2   1  10        12
                88.80          1.75        1.1019    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.