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 = 120 K _database_code_amcsd 0005042 CELL PARAMETERS: 8.8250 5.1940 5.9530 90.000 101.830 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 267.072 Density (g/cm3): 2.612 MAX. ABS. INTENSITY / VOLUME**2: 4.534483776 RIR: 0.565 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.95 1.63 4.4512 1 1 0 4 22.98 3.21 3.8698 -2 0 1 2 23.84 5.18 3.7325 -1 1 1 4 26.45 16.41 3.3696 1 1 1 4 28.13 22.76 3.1724 2 0 1 2 30.69 79.39 2.9133 0 0 2 2 33.39 12.06 2.6837 -2 0 2 2 34.54 48.04 2.5970 0 2 0 2 34.98 46.86 2.5649 -1 1 2 4 35.65 100.00 2.5182 3 1 0 4 36.24 1.25 2.4791 -3 1 1 4 37.93 5.73 2.3720 0 2 1 4 38.69 95.04 2.3275 1 1 2 4 40.53 6.02 2.2256 2 2 0 4 40.76 48.42 2.2139 2 0 2 2 41.51 32.45 2.1753 -4 0 1 2 41.89 52.73 2.1564 -2 2 1 4 43.06 1.12 2.1005 -3 1 2 4 45.12 26.20 2.0095 2 2 1 4 46.96 28.01 1.9349 -4 0 2 2 47.83 7.36 1.9017 4 0 1 2 48.80 53.31 1.8662 -2 2 2 4 49.16 3.19 1.8533 -1 1 3 4 52.09 3.24 1.7557 3 1 2 4 54.02 7.86 1.6976 1 3 0 4 54.23 3.20 1.6916 -3 1 3 4 54.46 23.19 1.6848 2 2 2 4 55.07 1.06 1.6676 -4 2 1 4 55.33 12.73 1.6604 4 2 0 4 55.73 2.62 1.6493 2 0 3 2 56.11 6.06 1.6392 5 1 0 4 56.89 10.14 1.6184 -4 0 3 2 57.12 1.68 1.6124 1 3 1 4 58.16 10.22 1.5862 4 0 2 2 59.04 4.39 1.5646 -5 1 2 4 59.43 5.30 1.5553 0 2 3 4 59.58 6.51 1.5516 -4 2 2 4 59.80 9.09 1.5465 -2 2 3 4 60.32 1.09 1.5343 4 2 1 4 61.69 1.97 1.5036 5 1 1 4 62.61 9.07 1.4837 3 3 0 4 62.99 2.42 1.4756 -3 3 1 4 63.03 4.52 1.4748 -2 0 4 2 63.29 2.34 1.4695 -6 0 1 2 63.91 11.77 1.4566 0 0 4 2 64.65 8.08 1.4417 1 3 2 4 64.76 2.96 1.4396 6 0 0 2 65.26 1.00 1.4298 -1 1 4 4 66.67 3.10 1.4028 3 3 1 4 67.24 2.02 1.3923 2 2 3 4 68.37 8.24 1.3720 -3 1 4 4 70.53 2.22 1.3353 6 0 1 2 71.29 3.40 1.3229 5 1 2 4 72.84 9.97 1.2985 0 4 0 2 74.72 4.21 1.2704 0 2 4 4 75.51 13.29 1.2591 6 2 0 4 75.91 1.56 1.2534 1 3 3 4 76.92 3.48 1.2395 -6 2 2 4 80.17 2.98 1.1973 -7 1 2 4 80.68 4.89 1.1909 -5 3 2 4 81.08 1.29 1.1860 0 4 2 4 82.18 10.47 1.1730 3 1 4 4 82.53 2.37 1.1689 -2 4 2 4 83.01 1.08 1.1634 5 3 1 4 83.51 1.30 1.1577 -1 1 5 4 84.34 1.71 1.1484 -6 0 4 2 86.21 2.25 1.1281 -1 3 4 4 86.99 4.51 1.1201 2 4 2 4 87.49 1.73 1.1150 -4 4 1 4 89.08 5.13 1.0991 -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.