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 = 681 C Note: P = 101 kPa _database_code_amcsd 0017868 CELL PARAMETERS: 4.9759 4.9759 17.4486 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 374.140 Density (g/cm3): 2.665 MAX. ABS. INTENSITY / VOLUME**2: 23.44291256 RIR: 2.864 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.02 7.88 3.8636 0 1 2 6 29.13 100.00 3.0656 1 0 4 6 30.75 1.44 2.9081 0 0 6 2 36.10 14.18 2.4880 1 1 0 6 39.39 12.57 2.2875 1 1 3 12 43.25 12.14 2.0918 2 0 2 6 46.68 16.06 1.9460 0 1 8 6 47.04 5.32 1.9318 0 2 4 6 48.13 15.56 1.8905 1 1 6 12 56.77 1.82 1.6217 2 1 1 12 57.57 6.99 1.6011 1 2 2 12 60.39 1.85 1.5328 2 0 8 6 60.55 1.19 1.5293 1 1 9 12 60.69 3.60 1.5259 2 1 4 12 64.04 2.06 1.4541 0 0 12 2 64.92 3.11 1.4364 3 0 0 6 69.30 1.39 1.3560 0 2 10 6 72.42 1.61 1.3050 1 2 8 12 75.77 1.32 1.2554 1 1 12 12 80.70 1.30 1.1906 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.