Rhodocrosite
      Merlini M, Hanfland M, Gemmi M
      American Mineralogist 100 (2015) 2625-2629
      The MnCO3-II high-pressure polymorph of rhodocrosite
      Note: Sample run2-p6
      Note: P = 3.57 GPa
      Locality: Sardegna, Italy
      _database_code_amcsd 0020363

      CELL PARAMETERS:    4.7426   4.7426  15.3680   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    299.351
      Density (g/cm3):      3.805
      MAX. ABS. INTENSITY / VOLUME**2:      42.20304504    
      RIR:      3.611
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.58         29.73        3.6222    0   1   2         6
                31.90        100.00        2.8058    1   0   4         6
                37.94         20.05        2.3713    1   1   0         6
                41.99         16.93        2.1519    1   1   3        12
                45.73         19.02        1.9840    2   0   2         6
                50.38          9.49        1.8111    0   2   4         6
                52.60         18.19        1.7401    0   1   8         6
                52.60         26.35        1.7401    1   1   6        12
                59.89          2.20        1.5445    2   1   1        12
                60.88         12.22        1.5216    1   2   2        12
                64.77          2.01        1.4393    1   0  10         6
                64.77          8.59        1.4393    2   1   4        12
                66.67          3.49        1.4029    2   0   8         6
                67.61          2.19        1.3857    1   1   9        12
                67.61          1.27        1.3857    1   2   5        12
                68.54          8.90        1.3691    3   0   0         6
                74.02          3.14        1.2807    0   0  12         2
                77.59          2.67        1.2304    0   2  10         6
                79.36          4.18        1.2074    1   2   8        12
                86.34          2.59        1.1268    1   1  12        12
                89.80          3.03        1.0921    2   1  10        12
                89.80          1.92        1.0921    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.