Natrite Arakcheeva A, Bindi L, Pattison P, Meisser N, Chapuis G, Pekov I American Mineralogist 95 (2010) 574-581 The incommensurately modulated structures of natural natrite at 120 and 293 K from synchrotron X-ray data Locality: Mt. Koashva, Khibiny massif, Kola peninsula, Russia T = 293 K _database_code_amcsd 0005043 CELL PARAMETERS: 8.8510 5.2400 6.0210 90.000 101.080 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 274.044 Density (g/cm3): 2.546 MAX. ABS. INTENSITY / VOLUME**2: 4.169781154 RIR: 0.533 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.79 1.46 4.4868 1 1 0 4 22.97 3.37 3.8725 -2 0 1 2 23.68 6.18 3.7575 -1 1 1 4 26.10 18.01 3.4138 1 1 1 4 27.73 22.78 3.2168 2 0 1 2 30.25 83.89 2.9544 0 0 2 2 33.24 12.93 2.6955 -2 0 2 2 34.22 49.40 2.6200 0 2 0 2 34.66 49.32 2.5883 -1 1 2 4 35.42 100.00 2.5342 3 1 0 4 36.14 1.06 2.4854 -3 1 1 4 37.55 5.28 2.3951 0 2 1 4 38.10 95.78 2.3621 1 1 2 4 40.08 48.61 2.2499 2 0 2 2 40.20 5.57 2.2434 2 2 0 4 41.45 30.03 2.1783 -4 0 1 2 41.62 49.57 2.1700 -2 2 1 4 42.93 1.07 2.1066 -3 1 2 4 44.60 25.07 2.0315 2 2 1 4 46.92 26.56 1.9363 -4 0 2 2 47.29 7.16 1.9221 4 0 1 2 48.45 50.50 1.8788 -2 2 2 4 48.60 2.42 1.8732 -1 1 3 4 51.29 2.80 1.7811 3 1 2 4 53.51 7.54 1.7124 1 3 0 4 53.70 23.15 1.7069 2 2 2 4 53.94 2.63 1.6998 -3 1 3 4 54.75 2.55 1.6766 2 0 3 2 54.92 11.27 1.6719 4 2 0 4 55.75 5.91 1.6489 5 1 0 4 56.52 1.41 1.6283 1 3 1 4 56.75 8.72 1.6223 -4 0 3 2 57.28 9.77 1.6084 4 0 2 2 58.64 4.62 1.5743 0 2 3 4 58.96 3.83 1.5666 -5 1 2 4 59.28 8.22 1.5588 -2 2 3 4 59.35 6.11 1.5572 -4 2 2 4 61.03 1.67 1.5182 5 1 1 4 62.06 8.45 1.4956 3 3 0 4 62.39 3.94 1.4884 -2 0 4 2 62.53 2.27 1.4854 -3 3 1 4 62.92 11.51 1.4772 0 0 4 2 63.12 1.88 1.4730 -6 0 1 2 63.85 7.19 1.4578 1 3 2 4 64.35 2.78 1.4477 6 0 0 2 65.93 2.76 1.4168 3 3 1 4 66.17 1.74 1.4122 2 2 3 4 67.85 7.22 1.3813 -3 1 4 4 69.79 1.81 1.3475 6 0 1 2 70.27 2.92 1.3396 5 1 2 4 72.10 8.48 1.3100 0 4 0 2 73.61 3.97 1.2868 0 2 4 4 74.84 1.17 1.2687 1 3 3 4 74.95 11.31 1.2671 6 2 0 4 76.68 2.59 1.2427 -6 2 2 4 80.03 2.62 1.1990 -7 1 2 4 80.25 3.93 1.1962 -5 3 2 4 80.60 8.88 1.1920 3 1 4 4 81.73 2.11 1.1782 -2 4 2 4 84.16 1.44 1.1503 -6 0 4 2 85.09 1.85 1.1401 -1 3 4 4 85.84 3.66 1.1321 2 4 2 4 86.74 1.17 1.1226 -4 4 1 4 88.24 3.97 1.1074 -3 3 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.