Siderite Lavina B, Dera P, Downs R T, Yang W, Sinogeikin S, Meng Y, Shen G, Schiferl D Physical Review B82 (2010) 064110-8 Structure of siderite FeCO3 to 56 GPa and hysteresis of its spin-pairing transition Locality: Invigtut, Greenland Note: run P27-2, P = 55.0 GPa _database_code_amcsd 0017590 CELL PARAMETERS: 4.3462 4.3462 12.5190 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 204.795 Density (g/cm3): 5.635 MAX. ABS. INTENSITY / VOLUME**2: 55.35856014 RIR: 3.199 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 27.65 58.68 3.2257 0 1 2 6 37.37 100.00 2.4065 1 0 4 6 41.56 26.77 2.1731 1 1 0 6 47.15 21.52 1.9274 1 1 3 12 50.65 23.26 1.8023 2 0 2 6 57.11 13.60 1.6128 0 2 4 6 61.62 30.08 1.5051 1 1 6 12 64.49 14.78 1.4450 0 1 8 6 66.10 1.26 1.4135 2 1 1 12 67.52 14.27 1.3873 1 2 2 12 73.06 13.17 1.2951 2 1 4 12 75.82 14.37 1.2546 3 0 0 6 79.69 4.35 1.2032 2 0 8 6 80.93 2.37 1.1879 1 0 10 6 82.30 2.05 1.1715 1 1 9 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.