Polyhalite Schlatti M, Sahl K, Zemann A, Zemann J Tschermaks Mineralogische und Petrographische Mitteilungen 14 (1970) 75-86 Die kristallstruktur des polyhalits, K2Ca2Mg(SO4)4(H2O)2 _database_code_amcsd 0015636 CELL PARAMETERS: 11.6900 16.3300 7.6000 91.600 90.000 91.900 SPACE GROUP: F-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1449.459 Density (g/cm3): 2.782 MAX. ABS. INTENSITY / VOLUME**2: 8.343412966 RIR: 0.976 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.73 22.81 6.0159 1 -1 1 2 14.90 8.56 5.9459 -1 -1 1 2 14.95 5.18 5.9244 -1 1 1 2 15.17 3.39 5.8418 2 0 0 2 18.38 7.44 4.8259 -2 2 0 2 21.42 5.01 4.1474 -1 -3 1 2 21.54 2.90 4.1256 -1 3 1 2 21.93 4.29 4.0528 1 3 1 2 23.42 1.20 3.7985 0 0 2 2 25.59 8.67 3.4809 0 -2 2 2 26.07 15.17 3.4183 3 -1 1 2 26.15 3.19 3.4072 0 2 2 2 26.19 2.28 3.4029 -3 1 1 2 26.23 2.03 3.3975 -2 4 0 2 26.53 3.32 3.3601 3 1 1 2 28.01 100.00 3.1859 -2 0 2 2 28.03 69.38 3.1832 2 0 2 2 29.70 1.29 3.0079 2 -2 2 2 29.99 13.19 2.9794 3 -3 1 2 30.26 33.50 2.9539 1 -5 1 2 30.61 59.20 2.9209 4 0 0 2 30.72 40.37 2.9106 -1 -5 1 2 30.82 5.18 2.9014 -3 -3 1 2 30.85 39.86 2.8980 -1 5 1 2 31.19 9.22 2.8675 3 3 1 2 31.32 36.21 2.8561 1 5 1 2 31.74 1.40 2.8193 0 -4 2 2 32.21 2.76 2.7793 -4 2 0 2 32.91 1.30 2.7214 4 2 0 2 35.03 6.12 2.5615 2 -4 2 2 35.67 1.99 2.5172 -2 -4 2 2 35.86 5.67 2.5042 -2 4 2 2 35.97 1.09 2.4970 -2 6 0 2 36.52 6.24 2.4604 2 4 2 2 36.84 3.86 2.4400 -1 1 3 2 36.92 1.06 2.4345 2 6 0 2 36.93 1.43 2.4341 1 1 3 2 37.04 4.28 2.4270 3 -5 1 2 37.26 6.15 2.4129 -4 4 0 2 37.53 7.38 2.3963 -3 5 1 2 38.19 12.53 2.3565 -3 -5 1 2 38.50 5.28 2.3383 4 4 0 2 38.70 8.42 2.3267 3 5 1 2 38.91 1.05 2.3144 4 0 2 2 40.03 7.18 2.2523 4 -2 2 2 40.25 1.16 2.2408 0 -6 2 2 40.34 1.19 2.2359 -1 3 3 2 40.38 3.05 2.2338 -4 2 2 2 40.58 6.69 2.2230 -4 -2 2 2 40.63 2.15 2.2204 -5 1 1 2 40.99 3.52 2.2017 4 2 2 2 41.17 5.06 2.1926 -1 -7 1 2 41.32 2.67 2.1851 -1 7 1 2 41.37 6.35 2.1823 0 6 2 2 41.82 2.58 2.1599 1 7 1 2 44.19 1.41 2.0496 -5 -3 1 2 44.42 3.77 2.0393 0 8 0 2 44.78 1.02 2.0240 -4 6 0 2 45.22 1.05 2.0053 3 -3 3 2 45.22 6.87 2.0050 1 -5 3 2 45.55 7.97 1.9916 -1 -5 3 2 45.78 3.10 1.9820 -3 -3 3 2 45.91 2.20 1.9765 4 4 2 2 45.96 1.19 1.9748 -3 3 3 2 46.01 4.40 1.9728 3 -7 1 2 46.50 8.98 1.9531 -1 5 3 2 46.58 3.49 1.9497 3 3 3 2 46.83 4.56 1.9398 1 5 3 2 47.65 4.02 1.9084 -6 2 0 2 47.90 12.39 1.8993 0 0 4 2 47.96 3.23 1.8970 3 7 1 2 48.47 9.73 1.8780 5 -5 1 2 48.86 6.10 1.8639 -5 5 1 2 48.94 1.30 1.8613 0 -2 4 2 50.02 5.92 1.8235 -5 -5 1 2 50.31 14.53 1.8137 3 -5 3 2 50.44 6.02 1.8094 5 5 1 2 50.68 1.01 1.8014 4 -6 2 2 51.19 9.53 1.7844 -3 -5 3 2 51.46 11.66 1.7757 -3 5 3 2 51.87 1.16 1.7628 1 -9 1 2 52.40 5.63 1.7462 3 5 3 2 52.58 4.10 1.7404 0 -4 4 2 52.81 3.17 1.7335 -6 0 2 2 52.85 6.22 1.7322 6 0 2 2 53.06 1.07 1.7259 4 6 2 2 53.45 1.04 1.7143 -1 -7 3 2 53.81 5.84 1.7036 0 4 4 2 53.89 1.80 1.7014 -6 2 2 2 53.98 1.06 1.6988 -4 8 0 2 54.28 1.32 1.6899 -6 -2 2 2 54.43 1.32 1.6857 2 8 2 2 55.83 1.95 1.6467 4 8 0 2 56.38 1.57 1.6320 -5 7 1 2 56.53 1.36 1.6280 7 -1 1 2 56.90 1.36 1.6182 -7 -1 1 2 56.93 1.41 1.6176 -3 9 1 2 57.27 1.61 1.6086 -6 6 0 2 57.84 1.81 1.5942 -5 -7 1 2 57.89 3.92 1.5929 -4 0 4 2 57.94 2.97 1.5916 4 0 4 2 59.28 2.02 1.5589 6 6 0 2 59.31 3.10 1.5580 2 10 0 2 59.78 2.94 1.5470 5 -5 3 2 60.79 2.53 1.5236 -5 5 3 2 61.09 4.10 1.5168 -5 -5 3 2 61.20 2.19 1.5145 0 -10 2 2 61.68 1.09 1.5037 -1 -1 5 2 62.19 3.73 1.4927 5 5 3 2 62.59 3.58 1.4841 0 10 2 2 62.74 1.99 1.4810 7 -5 1 2 63.06 1.94 1.4742 -7 5 1 2 63.72 9.39 1.4604 8 0 0 2 64.57 1.74 1.4434 -7 -5 1 2 64.93 1.96 1.4362 7 5 1 2 67.66 3.47 1.3847 1 -5 5 2 67.90 1.83 1.3804 -1 -5 5 2 68.97 5.13 1.3615 4 -10 2 2 69.29 1.57 1.3560 -1 5 5 2 69.56 1.49 1.3514 1 5 5 2 69.59 1.33 1.3509 3 9 3 2 70.26 4.33 1.3397 -4 10 2 2 70.74 1.44 1.3319 -6 8 2 2 70.97 5.68 1.3281 -4 -10 2 2 71.68 1.41 1.3167 3 -5 5 2 72.10 1.36 1.3100 -6 -8 2 2 72.29 4.76 1.3071 4 10 2 2 72.64 1.06 1.3015 7 -5 3 2 73.24 1.87 1.2923 -3 5 5 2 73.54 1.07 1.2878 -7 5 3 2 74.03 1.66 1.2806 3 5 5 2 74.12 1.00 1.2792 -1 -7 5 2 74.65 3.66 1.2715 -6 10 0 2 74.79 1.04 1.2695 2 -12 2 2 75.33 1.36 1.2617 7 5 3 2 77.05 4.11 1.2377 -2 0 6 2 77.09 4.34 1.2372 2 0 6 2 77.37 2.61 1.2333 2 -10 4 2 77.58 1.37 1.2306 6 10 0 2 78.32 2.12 1.2208 -2 -10 4 2 78.45 1.14 1.2191 -3 -11 3 2 79.43 1.24 1.2066 9 -5 1 2 79.71 1.61 1.2030 -9 5 1 2 79.86 2.40 1.2011 -2 10 4 2 80.84 2.59 1.1890 2 10 4 2 81.18 1.42 1.1849 -5 5 5 2 81.56 1.88 1.1803 -9 -5 1 2 81.90 1.47 1.1763 9 5 1 2 83.45 1.59 1.1583 -8 0 4 2 83.55 1.45 1.1572 8 0 4 2 87.29 2.89 1.1170 -10 0 2 2 87.34 2.35 1.1164 10 0 2 2 89.49 1.12 1.0951 -9 5 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.