Rhodochrosite 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 Sample: Synchrotron data _database_code_amcsd 0009891 CELL PARAMETERS: 4.7720 4.7720 15.6370 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 308.379 Density (g/cm3): 3.713 MAX. ABS. INTENSITY / VOLUME**2: 42.09334066 RIR: 3.691 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 24.36 30.06 3.6537 0 1 2 6 31.50 100.00 2.8400 1 0 4 6 37.70 19.96 2.3860 1 1 0 6 41.63 16.88 2.1695 1 1 3 12 45.40 18.92 1.9977 2 0 2 6 49.92 9.71 1.8268 0 2 4 6 51.74 18.93 1.7670 0 1 8 6 51.96 26.97 1.7599 1 1 6 12 59.47 2.16 1.5543 2 1 1 12 60.44 12.27 1.5317 1 2 2 12 63.62 2.13 1.4625 1 0 10 6 64.21 8.92 1.4505 2 1 4 12 65.76 3.68 1.4200 2 0 8 6 66.58 2.31 1.4045 1 1 9 12 66.96 1.27 1.3974 1 2 5 12 68.06 9.17 1.3776 3 0 0 6 72.54 3.38 1.3031 0 0 12 2 76.38 2.80 1.2469 0 2 10 6 78.36 4.44 1.2202 1 2 8 12 84.77 2.78 1.1436 1 1 12 12 88.47 3.14 1.1051 2 1 10 12 89.00 2.00 1.0999 1 3 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.