Witherite
      Antao S M, Hassan I
      The Canadian Mineralogist 47 (2009) 1245-1255
      The orthorhombic structure of CaCO3, SrCO3, PbCO3 and BaCO3:
      Linear structural trends
      Locality: synthetic
      Note: HRPXRD
      _database_code_amcsd 0006305

      CELL PARAMETERS:    5.3146   8.9043   6.4341   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    304.478
      Density (g/cm3):      4.304
      MAX. ABS. INTENSITY / VOLUME**2:      93.86730224    
      RIR:      7.101
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.45          8.20        4.5635    1   1   0         4
                19.94          3.85        4.4521    0   2   0         2
                23.91        100.00        3.7223    1   1   1         8
                24.31         50.51        3.6611    0   2   1         4
                27.73         14.53        3.2170    0   0   2         2
                29.52          4.51        3.0256    0   1   2         4
                32.53          2.93        2.7521    1   0   2         4
                33.73         14.67        2.6573    2   0   0         2
                34.10         21.67        2.6294    1   1   2         8
                34.39         10.69        2.6075    0   2   2         4
                34.61         26.88        2.5914    1   3   0         4
                39.49          6.99        2.2818    2   2   0         4
                40.52          2.72        2.2261    0   4   0         2
                42.01         32.31        2.1505    2   2   1         8
                42.99         15.20        2.1037    0   4   1         4
                44.21         14.00        2.0488    2   0   2         4
                44.92         25.85        2.0181    1   3   2         8
                46.80         19.90        1.9410    1   1   3         8
                47.03          9.56        1.9322    0   2   3         4
                48.94          4.02        1.8612    2   2   2         8
                49.81          2.26        1.8306    0   4   2         4
                52.68          2.01        1.7375    3   1   0         4
                53.72          1.88        1.7064    2   4   0         4
                54.33          1.44        1.6886    1   5   0         4
                54.72          8.57        1.6774    3   1   1         8
                55.73          8.34        1.6494    2   4   1         8
                56.33          7.97        1.6333    1   5   1         8
                57.28          1.93        1.6085    0   0   4         2
                59.12          4.26        1.5627    2   2   3         8
                59.89          1.87        1.5445    0   4   3         4
                60.57          2.42        1.5288    3   1   2         8
                60.90          4.13        1.5212    3   3   0         4
                61.08          3.23        1.5170    1   1   4         8
                61.27          1.49        1.5128    0   2   4         4
                61.51          2.48        1.5075    2   4   2         8
                62.08          2.40        1.4951    1   5   2         8
                62.59          2.13        1.4840    0   6   0         2
                68.14          3.28        1.3761    2   0   4         4
                68.19          7.02        1.3752    3   3   2         8
                68.68          6.80        1.3666    1   3   4         8
                69.64          6.14        1.3500    3   1   3         8
                69.79          3.17        1.3476    0   6   2         4
                70.53          5.68        1.3353    2   4   3         8
                70.93          2.30        1.3286    4   0   0         2
                71.05          5.72        1.3267    1   5   3         8
                71.80          1.13        1.3147    2   2   4         8
                73.02          4.28        1.2957    2   6   0         4
                76.23          3.64        1.2489    4   2   1         8
                76.99          3.24        1.2385    1   1   5         8
                77.16          1.52        1.2362    0   2   5         4
                77.42          3.48        1.2327    3   5   1         8
                77.77          1.72        1.2280    4   0   2         4
                78.78          3.02        1.2148    1   7   1         8
                79.80          3.14        1.2019    2   6   2         8
                81.27          1.18        1.1838    4   2   2         8
                82.44          1.16        1.1699    3   5   2         8
                83.77          1.11        1.1547    1   7   2         8
                86.67          2.87        1.1234    4   4   1         8
                86.91          2.95        1.1209    2   2   5         8
                87.57          1.48        1.1141    0   4   5         4
                88.46          3.41        1.1052    3   3   4         8
                89.32          1.37        1.0967    0   8   1         4
                89.53          2.23        1.0948    4   2   3         8
                89.95          1.50        1.0907    0   6   4         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.