Aragonite
      Antao S M, Hassan I
      The Canadian Mineralogist 48 (2010) 1225-1236
      Temperature dependence of the structural parameters
      in the transformation of aragonite to calcite,
      as determined from in situ synchrotron powder X-ray-diffraction data
      Locality: Cuenca, Spain
      Note: T = 218 C
      Note: P = 101 kPa
      _database_code_amcsd 0017835

      CELL PARAMETERS:    4.9644   8.0057   5.7805   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    229.737
      Density (g/cm3):      2.893
      MAX. ABS. INTENSITY / VOLUME**2:      10.19201549    
      RIR:      1.147
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.06          1.48        4.2191    1   1   0         4
                22.21          1.79        4.0029    0   2   0         2
                26.15        100.00        3.4079    1   1   1         8
                27.10         51.84        3.2909    0   2   1         4
                30.94          5.18        2.8902    0   0   2         2
                32.65          7.52        2.7429    1   2   1         8
                32.95         50.43        2.7185    0   1   2         4
                35.95         18.08        2.4978    1   0   2         4
                36.19         16.48        2.4822    2   0   0         2
                37.11          9.87        2.4228    0   3   1         4
                37.73         43.49        2.3844    1   1   2         8
                38.29         26.96        2.3505    1   3   0         4
                38.42         15.92        2.3433    0   2   2         4
                41.15         11.82        2.1935    2   1   1         8
                42.87         17.82        2.1095    2   2   0         4
                45.31          3.21        2.0014    0   4   0         2
                45.79         64.01        1.9817    2   2   1         8
                48.11         27.20        1.8913    0   4   1         4
                48.33         12.97        1.8831    2   0   2         4
                49.74          1.92        1.8330    2   1   2         8
                50.02         27.29        1.8236    1   3   2         8
                51.72          1.88        1.7674    1   4   1         8
                52.19         28.08        1.7527    1   1   3         8
                52.72         11.68        1.7362    0   2   3         4
                52.80          5.21        1.7338    2   3   1         8
                53.80          3.12        1.7039    2   2   2         8
                55.88          3.27        1.6454    0   4   2         4
                56.81          1.74        1.6205    3   1   0         4
                59.22          6.19        1.5604    3   1   1         8
                59.31          1.74        1.5580    2   4   0         4
                59.95          1.89        1.5430    0   5   1         4
                61.66          4.84        1.5044    2   4   1         8
                62.86          1.94        1.4784    3   2   1         8
                63.09          6.76        1.4735    1   5   1         8
                65.65          1.93        1.4221    0   1   4         4
                66.10          3.52        1.4135    3   1   2         8
                66.48          3.03        1.4064    3   3   0         4
                68.40          3.26        1.3715    2   4   2         8
                68.65          3.64        1.3671    1   1   4         8
                69.11          1.82        1.3593    0   2   4         4
                69.77          2.45        1.3480    1   5   2         8
                70.59          1.81        1.3343    0   6   0         2
                75.12          6.28        1.2646    3   3   2         8
                76.24          3.99        1.2489    2   0   4         4
                76.80          4.24        1.2411    4   0   0         2
                76.87          7.35        1.2402    3   1   3         8
                77.54          6.38        1.2311    1   3   4         8
                79.04          5.86        1.2115    2   4   3         8
                79.04          2.09        1.2114    0   6   2         4
                80.33          5.69        1.1952    1   5   3         8
                81.99          6.18        1.1752    2   6   0         4
                83.19          3.01        1.1613    4   2   1         8
                86.17          3.39        1.1285    3   5   1         8
                87.48          2.14        1.1150    1   1   5         8
                87.91          1.62        1.1107    0   2   5         4
                89.32          1.17        1.0968    4   2   2         8
                89.57          1.52        1.0943    1   7   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.