Dawsonite Chinh L T, Pobedimskaya E A, Khomyakov A P Vestnik Moskovskogo Universiteta Geologiya 42 (1987) 74-77 Crystal structure of dawsonite, NaAl(CO3)(OH)2 and its first discovery in the Khibiny alkaline massiv Locality: Khibiny alkaline massif, Kola peninsula, Russia _database_code_amcsd 0015709 CELL PARAMETERS: 6.7620 10.4280 5.5930 90.000 90.000 90.000 SPACE GROUP: I2cm X-RAY WAVELENGTH: 1.541838 Cell Volume: 394.386 Density (g/cm3): 2.425 MAX. ABS. INTENSITY / VOLUME**2: 14.13972201 RIR: 1.899 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.62 100.00 5.6736 1 1 0 2 18.00 1.62 4.9288 0 1 1 4 26.36 11.18 3.3810 2 0 0 1 26.84 5.27 3.3219 1 2 1 4 28.88 4.46 3.0915 1 3 0 2 32.00 4.60 2.7965 0 0 2 2 32.10 56.27 2.7881 2 1 1 4 34.40 16.97 2.6070 0 4 0 2 35.80 14.75 2.5084 1 1 2 4 40.44 1.75 2.2306 1 4 1 4 40.57 2.62 2.2238 2 3 1 4 41.92 19.55 2.1549 2 0 2 2 43.64 2.20 2.0739 1 3 2 4 43.85 1.43 2.0645 2 4 0 2 45.51 13.74 1.9930 1 5 0 2 45.55 2.25 1.9915 2 2 2 4 46.47 6.47 1.9542 0 5 1 4 49.68 1.64 1.8352 0 1 3 4 52.66 1.29 1.7380 0 6 0 2 52.91 17.07 1.7306 3 1 2 4 53.96 3.39 1.6992 1 2 3 4 54.21 2.38 1.6919 2 5 1 4 54.26 7.21 1.6905 4 0 0 1 55.31 13.55 1.6609 2 4 2 4 56.72 2.74 1.6230 1 5 2 4 57.10 1.41 1.6129 2 1 3 4 59.83 3.16 1.5457 2 6 0 2 60.48 1.75 1.5308 3 5 0 2 62.97 2.63 1.4761 0 6 2 4 65.85 1.34 1.4184 4 4 0 2 66.92 3.95 1.3982 0 0 4 2 67.15 2.97 1.3940 4 2 2 4 69.20 1.47 1.3576 1 1 4 4 69.48 1.86 1.3528 2 6 2 4 70.08 3.81 1.3428 3 5 2 4 70.17 1.53 1.3412 5 1 0 2 70.46 1.56 1.3365 3 6 1 4 73.69 1.43 1.2856 2 5 3 4 74.47 1.51 1.2740 1 3 4 4 75.57 1.08 1.2582 3 4 3 4 77.46 1.80 1.2322 0 4 4 4 84.68 1.52 1.1446 1 5 4 4 85.50 1.20 1.1357 3 7 2 4 85.59 1.40 1.1347 5 5 0 2 87.79 2.63 1.1119 4 6 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.