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 = 477 C Note: P = 101 kPa _database_code_amcsd 0017848 CELL PARAMETERS: 4.9778 8.0528 5.8462 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 234.346 Density (g/cm3): 2.836 MAX. ABS. INTENSITY / VOLUME**2: 9.908433792 RIR: 1.137 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.98 2.43 4.2342 1 1 0 4 22.08 4.08 4.0264 0 2 0 2 25.98 100.00 3.4292 1 1 1 8 26.89 52.33 3.3160 0 2 1 4 30.58 4.11 2.9231 0 0 2 2 32.44 6.65 2.7597 1 2 1 8 32.59 50.28 2.7477 0 1 2 4 35.62 19.01 2.5206 1 0 2 4 36.09 15.82 2.4889 2 0 0 2 36.85 9.82 2.4394 0 3 1 4 37.38 46.47 2.4055 1 1 2 8 38.04 16.28 2.3655 0 2 2 4 38.09 26.42 2.3626 1 3 0 4 40.97 9.95 2.2027 2 1 1 8 42.71 15.88 2.1171 2 2 0 4 45.03 3.00 2.0132 0 4 0 2 45.57 58.85 1.9906 2 2 1 8 47.78 25.13 1.9035 0 4 1 4 48.01 11.36 1.8950 2 0 2 4 49.41 2.02 1.8446 2 1 2 8 49.61 24.08 1.8375 1 3 2 8 51.39 2.50 1.7779 1 4 1 8 51.63 25.04 1.7702 1 1 3 8 52.14 10.96 1.7541 0 2 3 4 52.53 4.65 1.7422 2 3 1 8 53.44 2.67 1.7146 2 2 2 8 55.42 3.44 1.6580 0 4 2 4 56.64 1.72 1.6251 3 1 0 4 58.99 5.19 1.5658 3 1 1 8 59.01 2.22 1.5652 2 4 0 4 59.54 2.56 1.5527 0 5 1 4 61.31 3.87 1.5120 2 4 1 8 62.60 1.94 1.4839 3 2 1 8 62.68 5.33 1.4823 1 5 1 8 64.83 2.17 1.4381 0 1 4 4 65.74 3.18 1.4204 3 1 2 8 66.22 2.31 1.4114 3 3 0 4 67.84 3.11 1.3816 1 1 4 8 67.93 2.94 1.3799 2 4 2 8 68.27 1.53 1.3738 0 2 4 4 69.23 1.85 1.3572 1 5 2 8 70.11 1.69 1.3421 0 6 0 2 74.68 5.08 1.2710 3 3 2 8 75.42 3.51 1.2603 2 0 4 4 76.29 6.08 1.2481 3 1 3 8 76.56 3.55 1.2444 4 0 0 2 76.67 5.38 1.2429 1 3 4 8 78.36 4.48 1.2203 2 4 3 8 78.40 1.47 1.2197 0 6 2 4 79.58 5.64 1.2046 1 5 3 8 81.47 5.07 1.1813 2 6 0 4 82.86 2.41 1.1651 4 2 1 8 85.68 2.65 1.1337 3 5 1 8 86.32 1.59 1.1271 1 1 5 8 86.72 1.26 1.1229 0 2 5 4 88.91 1.13 1.1008 1 7 1 8 89.48 1.07 1.0953 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.