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 = 379 C Note: P = 101 kPa _database_code_amcsd 0017843 CELL PARAMETERS: 4.9721 8.0344 5.8183 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 232.428 Density (g/cm3): 2.860 MAX. ABS. INTENSITY / VOLUME**2: 10.03410565 RIR: 1.142 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.01 1.63 4.2280 1 1 0 4 22.13 2.20 4.0172 0 2 0 2 26.05 100.00 3.4203 1 1 1 8 26.97 50.83 3.3058 0 2 1 4 30.73 4.26 2.9091 0 0 2 2 32.53 7.53 2.7529 1 2 1 8 32.74 47.52 2.7354 0 1 2 4 35.76 18.79 2.5109 1 0 2 4 36.13 15.97 2.4860 2 0 0 2 36.95 10.16 2.4328 0 3 1 4 37.53 44.39 2.3966 1 1 2 8 38.17 26.42 2.3579 1 3 0 4 38.20 15.63 2.3562 0 2 2 4 41.05 10.66 2.1988 2 1 1 8 42.78 17.34 2.1140 2 2 0 4 45.14 2.64 2.0086 0 4 0 2 45.66 59.23 1.9869 2 2 1 8 47.91 25.77 1.8986 0 4 1 4 48.15 11.71 1.8900 2 0 2 4 49.55 2.18 1.8397 2 1 2 8 49.78 25.61 1.8318 1 3 2 8 51.52 2.27 1.7737 1 4 1 8 51.87 26.25 1.7628 1 1 3 8 52.39 11.01 1.7465 0 2 3 4 52.64 4.51 1.7388 2 3 1 8 53.59 2.72 1.7101 2 2 2 8 55.60 3.29 1.6529 0 4 2 4 56.71 1.73 1.6232 3 1 0 4 59.09 5.60 1.5635 3 1 1 8 59.13 1.74 1.5624 2 4 0 4 59.70 1.88 1.5489 0 5 1 4 61.45 4.34 1.5089 2 4 1 8 62.71 1.92 1.4816 3 2 1 8 62.84 6.08 1.4788 1 5 1 8 65.18 2.07 1.4313 0 1 4 4 65.89 3.22 1.4175 3 1 2 8 66.32 2.59 1.4093 3 3 0 4 68.12 2.98 1.3764 2 4 2 8 68.18 3.07 1.3755 1 1 4 8 68.62 1.60 1.3677 0 2 4 4 69.44 2.26 1.3535 1 5 2 8 70.30 1.70 1.3391 0 6 0 2 74.86 5.50 1.2683 3 3 2 8 75.77 3.64 1.2555 2 0 4 4 76.53 6.42 1.2448 3 1 3 8 76.66 3.67 1.2430 4 0 0 2 77.03 5.46 1.2380 1 3 4 8 78.64 4.89 1.2167 2 4 3 8 78.66 1.68 1.2164 0 6 2 4 79.89 5.09 1.2007 1 5 3 8 81.68 5.25 1.1789 2 6 0 4 83.00 2.54 1.1635 4 2 1 8 85.88 2.91 1.1316 3 5 1 8 86.81 1.67 1.1219 1 1 5 8 87.22 1.37 1.1177 0 2 5 4 89.17 1.25 1.0983 1 7 1 8 89.75 1.31 1.0926 2 6 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.