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 P25, P = 54.0 GPa _database_code_amcsd 0017587 CELL PARAMETERS: 4.3550 4.3550 12.5400 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 205.970 Density (g/cm3): 5.603 MAX. ABS. INTENSITY / VOLUME**2: 55.31096689 RIR: 3.214 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 27.60 58.07 3.2319 0 1 2 6 37.30 100.00 2.4109 1 0 4 6 41.47 26.81 2.1775 1 1 0 6 47.06 21.39 1.9312 1 1 3 12 50.54 23.34 1.8059 2 0 2 6 56.99 13.58 1.6159 0 2 4 6 61.50 30.08 1.5078 1 1 6 12 64.36 14.83 1.4475 0 1 8 6 65.95 1.29 1.4164 2 1 1 12 67.37 14.39 1.3900 1 2 2 12 72.89 13.17 1.2977 2 1 4 12 75.64 14.35 1.2572 3 0 0 6 79.51 4.35 1.2054 2 0 8 6 80.76 2.38 1.1899 1 0 10 6 82.12 2.04 1.1736 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.