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 P21, P = 47.49 GPa _database_code_amcsd 0017583 CELL PARAMETERS: 4.3670 4.3670 12.7400 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 210.410 Density (g/cm3): 5.485 MAX. ABS. INTENSITY / VOLUME**2: 55.95230915 RIR: 3.322 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 27.43 55.60 3.2520 0 1 2 6 36.90 100.00 2.4362 1 0 4 6 41.35 26.03 2.1835 1 1 0 6 46.78 21.27 1.9419 1 1 3 12 50.34 23.34 1.8128 2 0 2 6 56.60 13.40 1.6260 0 2 4 6 60.85 30.97 1.5222 1 1 6 12 63.37 15.54 1.4677 0 1 8 6 65.74 1.39 1.4205 2 1 1 12 67.11 14.70 1.3948 1 2 2 12 72.48 13.17 1.3041 2 1 4 12 75.40 14.43 1.2606 3 0 0 6 78.53 4.46 1.2181 2 0 8 6 79.36 2.52 1.2073 1 0 10 6 80.94 2.21 1.1878 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.