Weberite Knop O, Cameron T S, Jochem K Journal of Solid State Chemistry 43 (1982) 213-221 What is the true space group of weberite? Locality: Ivigtut, Greenland Sample: Imma refinement, T = 133 K _database_code_amcsd 0013478 CELL PARAMETERS: 7.0500 9.9790 7.2970 90.000 90.000 90.000 SPACE GROUP: Imma X-RAY WAVELENGTH: 1.541838 Cell Volume: 513.358 Density (g/cm3): 2.979 MAX. ABS. INTENSITY / VOLUME**2: 6.915601865 RIR: 0.756 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.04 25.93 5.8902 0 1 1 4 17.49 36.00 5.0702 1 0 1 4 17.78 4.26 4.9895 0 2 0 2 24.40 1.77 3.6485 0 0 2 2 25.04 23.76 3.5563 1 2 1 8 28.97 3.27 3.0819 1 1 2 8 29.51 9.57 3.0267 0 3 1 4 29.53 12.18 3.0247 2 1 1 8 30.35 100.00 2.9451 0 2 2 4 31.06 88.79 2.8790 2 2 0 4 35.41 5.21 2.5351 2 0 2 4 36.00 2.01 2.4948 0 4 0 2 38.08 32.08 2.3631 0 1 3 4 38.80 7.41 2.3211 1 3 2 8 39.23 50.78 2.2963 2 3 1 8 39.89 3.27 2.2601 2 2 2 8 40.29 15.27 2.2385 1 4 1 8 40.32 22.70 2.2369 3 0 1 4 43.33 3.15 2.0883 1 2 3 8 43.97 2.83 2.0594 0 4 2 4 44.49 8.53 2.0364 2 4 0 4 46.24 23.75 1.9634 0 3 3 4 46.88 21.79 1.9380 3 1 2 8 50.00 11.57 1.8242 0 0 4 2 51.39 95.18 1.7781 2 4 2 8 51.88 23.87 1.7625 4 0 0 2 52.63 5.12 1.7391 1 1 4 8 53.42 2.19 1.7153 2 3 3 8 53.48 1.75 1.7133 0 2 4 4 53.96 3.72 1.6993 1 5 2 8 53.98 5.59 1.6986 3 3 2 8 54.25 2.01 1.6907 1 4 3 8 55.15 7.94 1.6654 3 4 1 8 55.23 5.83 1.6632 0 6 0 2 57.58 1.17 1.6007 3 2 3 8 58.13 1.83 1.5870 4 0 2 4 59.24 4.51 1.5599 1 3 4 8 60.04 43.27 1.5409 2 2 4 8 60.82 7.12 1.5231 4 3 1 8 61.25 15.55 1.5133 0 6 2 4 61.29 17.84 1.5124 4 2 2 8 61.66 5.67 1.5041 2 6 0 4 63.14 7.00 1.4726 0 4 4 4 64.76 10.29 1.4395 4 4 0 4 65.44 1.10 1.4262 3 1 4 8 66.11 3.61 1.4134 2 5 3 8 66.87 3.64 1.3992 3 4 3 8 67.34 4.05 1.3906 2 6 2 8 67.68 2.52 1.3844 5 0 1 4 69.13 1.70 1.3588 2 4 4 8 70.47 4.41 1.3363 2 1 5 8 70.57 2.05 1.3347 3 6 1 8 70.61 1.24 1.3340 5 2 1 8 71.33 1.61 1.3223 3 3 4 8 72.71 1.27 1.3004 2 7 1 8 74.92 6.68 1.2675 4 0 4 4 76.35 6.29 1.2474 0 8 0 2 76.90 2.92 1.2398 3 0 5 4 77.63 2.84 1.2299 0 7 3 4 78.15 1.64 1.2231 5 3 2 8 79.12 2.50 1.2105 5 4 1 8 81.45 2.52 1.1816 0 2 6 4 82.01 2.05 1.1750 6 0 0 2 82.58 1.02 1.1683 3 5 4 8 83.25 6.02 1.1605 2 6 4 8 83.65 3.31 1.1560 3 7 2 8 84.22 6.14 1.1497 2 0 6 4 84.36 12.96 1.1482 4 6 2 8 84.76 4.12 1.1437 6 2 0 4 86.03 3.52 1.1300 4 4 4 8 87.07 5.09 1.1192 2 8 2 8 87.15 3.32 1.1184 6 0 2 4 88.05 1.02 1.1093 1 7 4 8 88.11 1.59 1.1087 5 1 4 8 89.69 1.51 1.0932 0 4 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.