Calcite 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 = 702 C Note: P = 101 kPa _database_code_amcsd 0017869 CELL PARAMETERS: 4.9742 4.9742 17.4676 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 374.292 Density (g/cm3): 2.664 MAX. ABS. INTENSITY / VOLUME**2: 23.36009872 RIR: 2.855 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.02 7.97 3.8634 0 1 2 6 29.12 100.00 3.0668 1 0 4 6 30.71 1.38 2.9113 0 0 6 2 36.11 14.26 2.4871 1 1 0 6 39.40 12.28 2.2872 1 1 3 12 43.26 12.12 2.0912 2 0 2 6 46.64 16.00 1.9476 0 1 8 6 47.04 5.35 1.9317 0 2 4 6 48.12 15.53 1.8910 1 1 6 12 56.79 1.74 1.6212 2 1 1 12 57.59 6.97 1.6006 1 2 2 12 60.37 1.87 1.5334 2 0 8 6 60.51 1.14 1.5301 1 1 9 12 60.71 3.61 1.5256 2 1 4 12 63.96 2.02 1.4556 0 0 12 2 64.94 3.05 1.4359 3 0 0 6 69.25 1.39 1.3567 0 2 10 6 72.40 1.62 1.3052 1 2 8 12 75.71 1.34 1.2563 1 1 12 12 80.67 1.30 1.1910 2 1 10 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.