Ferroselite Lavina B, Downs R T, Sinogeikin S Crystals 8 (2018) 289; doi:10.3390/cryst807 The structure of ferroselite, FeSe2, at pressures up to 46 GPa and temperatures down to 50 K: A single-crystal micro-diffraction analysis Note: P = 17.3 GPa Locality: Paradox Valley, Uravan District, Montrose County, Colorado, USA _database_code_amcsd 0020713 CELL PARAMETERS: 4.6030 5.5810 3.4492 90.000 90.000 90.000 SPACE GROUP: Pnnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 88.608 Density (g/cm3): 8.011 MAX. ABS. INTENSITY / VOLUME**2: 101.5078694 RIR: 4.126 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 25.08 12.57 3.5510 1 1 0 4 30.47 14.90 2.9341 0 1 1 4 32.07 5.95 2.7905 0 2 0 2 32.44 49.94 2.7602 1 0 1 4 36.31 100.00 2.4742 1 1 1 8 37.70 82.34 2.3862 1 2 0 4 39.14 10.56 2.3015 2 0 0 2 42.49 6.90 2.1277 2 1 0 4 46.26 11.42 1.9624 1 2 1 8 50.39 67.25 1.8109 2 1 1 8 51.47 6.37 1.7755 2 2 0 4 53.10 9.08 1.7248 1 3 0 4 53.10 28.15 1.7246 0 0 2 2 56.18 33.24 1.6374 0 3 1 4 58.46 9.17 1.5786 2 2 1 8 59.60 1.62 1.5513 1 1 2 8 59.96 14.62 1.5427 1 3 1 8 62.81 11.06 1.4794 3 1 0 4 63.40 1.25 1.4670 0 2 2 4 64.40 1.27 1.4468 2 3 0 4 66.72 1.31 1.4019 3 0 1 4 66.95 26.60 1.3978 1 2 2 8 67.08 2.86 1.3952 0 4 0 2 67.92 3.96 1.3801 2 0 2 4 69.08 7.94 1.3596 3 1 1 8 69.97 7.00 1.3445 3 2 0 4 70.26 2.72 1.3398 2 1 2 8 70.60 3.00 1.3342 2 3 1 8 75.96 2.95 1.2527 3 2 1 8 77.10 3.08 1.2371 2 2 2 8 78.42 4.73 1.2195 1 3 2 8 80.50 11.77 1.1931 2 4 0 4 84.12 2.98 1.1508 4 0 0 2 86.32 2.35 1.1270 4 1 0 4 86.72 7.84 1.1229 3 1 2 8 87.03 2.81 1.1196 3 3 1 8 87.44 2.06 1.1155 1 0 3 4 89.63 6.14 1.0938 1 1 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.