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 P27-4, P = 55.0 GPa _database_code_amcsd 0017592 CELL PARAMETERS: 4.3470 4.3470 12.4770 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 204.183 Density (g/cm3): 5.652 MAX. ABS. INTENSITY / VOLUME**2: 55.80045997 RIR: 3.214 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 27.68 58.22 3.2232 0 1 2 6 37.44 100.00 2.4019 1 0 4 6 41.55 27.05 2.1735 1 1 0 6 47.18 21.32 1.9263 1 1 3 12 50.66 23.53 1.8021 2 0 2 6 57.16 13.64 1.6116 0 2 4 6 61.74 30.11 1.5026 1 1 6 12 64.69 14.80 1.4409 0 1 8 6 66.09 1.30 1.4137 2 1 1 12 67.52 14.57 1.3873 1 2 2 12 73.10 13.29 1.2946 2 1 4 12 75.81 14.45 1.2549 3 0 0 6 79.87 4.39 1.2009 2 0 8 6 81.22 2.40 1.1843 1 0 10 6 82.53 2.01 1.1688 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.