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 P27-1, P = 55.0 GPa _database_code_amcsd 0017589 CELL PARAMETERS: 4.3474 4.3474 12.5340 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 205.154 Density (g/cm3): 5.626 MAX. ABS. INTENSITY / VOLUME**2: 55.08649286 RIR: 3.188 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 27.64 57.12 3.2273 0 1 2 6 37.34 100.00 2.4085 1 0 4 6 41.54 26.61 2.1737 1 1 0 6 47.13 20.91 1.9283 1 1 3 12 50.63 22.85 1.8029 2 0 2 6 57.08 13.13 1.6137 0 2 4 6 61.57 28.85 1.5062 1 1 6 12 64.41 14.44 1.4465 0 1 8 6 66.08 1.30 1.4139 2 1 1 12 67.50 13.74 1.3877 1 2 2 12 73.02 12.51 1.2957 2 1 4 12 75.80 13.56 1.2550 3 0 0 6 79.61 4.11 1.2042 2 0 8 6 80.82 2.19 1.1892 1 0 10 6 82.21 1.92 1.1726 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.