Magnesite Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N Acta Crystallographica B51 (1995) 929-939 Electron density and optical anisotropy in rhombohedral carbonates. III. Synchrotron X-ray studies of CaCO3, MgCO3 and MnCO3 _database_code_amcsd 0009893 CELL PARAMETERS: 4.6320 4.6320 15.0020 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 278.751 Density (g/cm3): 3.013 MAX. ABS. INTENSITY / VOLUME**2: 16.77287896 RIR: 1.813 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 32.69 100.00 2.7396 1 0 4 6 35.92 13.22 2.5003 0 0 6 2 38.89 6.10 2.3160 1 1 0 6 43.04 50.64 2.1016 1 1 3 12 46.89 13.27 1.9376 2 0 2 6 51.68 5.26 1.7687 0 2 4 6 53.97 23.55 1.6991 1 1 6 12 53.98 18.19 1.6988 0 1 8 6 61.47 5.01 1.5085 2 1 1 12 62.50 7.52 1.4861 1 2 2 12 66.52 6.19 1.4057 2 1 4 12 68.50 2.12 1.3698 2 0 8 6 69.46 2.96 1.3532 1 2 5 12 69.48 6.86 1.3529 1 1 9 12 70.42 13.18 1.3371 3 0 0 6 76.14 4.83 1.2502 0 0 12 2 77.05 1.93 1.2378 2 1 7 12 79.84 1.96 1.2013 0 2 10 6 81.67 3.19 1.1790 1 2 8 12 88.98 1.25 1.1001 1 1 12 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.