Krohnkite Dahlman B Arkiv for Mineralogi och Geologi 1 (1952) 339-366 The crystal structures of krohnkite, CuNa2(SO4)2*2H2O and brandtite, MnCa2(AsO4)2*2H2O Locality: Chuquicamata, Chile _database_code_amcsd 0012043 CELL PARAMETERS: 5.7800 12.5800 5.4800 90.000 71.500 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 377.873 Density (g/cm3): 3.005 MAX. ABS. INTENSITY / VOLUME**2: 8.576823887 RIR: 0.929 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.08 100.00 6.2900 0 2 0 2 16.17 24.61 5.4813 1 0 0 2 17.65 25.29 5.0250 1 1 0 4 18.47 5.71 4.8031 0 1 1 4 20.71 4.91 4.2894 1 1 1 4 21.50 50.73 4.1324 1 2 0 4 24.10 57.92 3.6934 1 2 1 4 26.77 21.30 3.3305 1 3 0 4 27.33 75.48 3.2634 0 3 1 4 28.06 66.22 3.1797 -1 1 1 4 28.38 16.02 3.1450 0 4 0 2 28.92 59.71 3.0875 1 3 1 4 30.69 83.80 2.9128 -1 2 1 4 32.52 44.88 2.7532 2 1 1 4 32.83 11.22 2.7279 1 4 0 4 33.14 59.25 2.7033 1 0 2 2 33.46 1.34 2.6778 2 1 0 4 33.92 4.47 2.6430 1 1 2 4 34.52 15.77 2.5984 0 0 2 2 34.68 4.14 2.5867 -1 3 1 4 34.85 23.79 2.5744 2 2 1 4 35.27 5.46 2.5447 0 1 2 4 37.45 1.79 2.4016 0 2 2 4 38.45 8.66 2.3410 2 3 1 4 39.41 11.07 2.2866 1 5 0 4 39.50 2.70 2.2814 2 0 2 2 39.67 1.27 2.2722 -1 4 1 4 39.67 1.15 2.2721 1 3 2 4 39.81 4.93 2.2646 0 5 1 4 40.17 3.78 2.2448 2 1 2 4 40.96 16.98 2.2032 1 5 1 4 42.13 18.01 2.1447 2 2 2 4 42.50 4.26 2.1270 -2 1 1 4 42.99 16.38 2.1037 -1 0 2 2 43.07 1.46 2.1002 2 4 1 4 43.15 6.15 2.0967 0 6 0 2 43.62 1.62 2.0749 -1 1 2 4 43.81 12.55 2.0662 2 4 0 4 44.18 8.26 2.0501 1 4 2 4 45.25 1.12 2.0040 2 3 2 4 45.40 2.32 1.9978 -1 5 1 4 45.46 13.22 1.9951 -1 2 2 4 46.37 9.50 1.9583 1 6 0 4 46.72 1.65 1.9444 0 6 1 4 47.38 21.02 1.9189 -2 3 1 4 49.35 15.08 1.8467 2 4 2 4 49.49 2.50 1.8417 1 5 2 4 49.51 1.29 1.8411 3 2 1 4 50.47 3.01 1.8081 3 1 0 4 50.49 4.17 1.8077 1 1 3 4 50.49 4.44 1.8075 0 5 2 4 51.19 1.51 1.7846 3 0 2 2 51.72 15.06 1.7676 -1 6 1 4 51.74 1.66 1.7669 3 1 2 4 52.13 4.70 1.7546 3 2 0 4 52.14 5.03 1.7542 1 2 3 4 52.28 17.63 1.7498 3 3 1 4 52.32 2.68 1.7486 -1 4 2 4 53.36 2.67 1.7168 3 2 2 4 53.39 4.63 1.7161 0 1 3 4 53.99 5.15 1.6985 0 7 1 4 54.53 9.84 1.6829 2 6 1 4 54.81 11.45 1.6750 3 3 0 4 54.82 11.18 1.6747 1 3 3 4 54.94 3.89 1.6713 2 2 3 4 54.98 6.99 1.6701 0 2 3 4 55.15 11.50 1.6652 2 6 0 4 55.46 7.02 1.6568 1 6 2 4 56.00 1.11 1.6421 3 4 1 4 56.00 1.22 1.6421 3 3 2 4 56.39 6.22 1.6317 0 6 2 4 56.48 1.40 1.6294 -2 1 2 4 57.53 7.04 1.6021 2 3 3 4 57.57 2.12 1.6010 0 3 3 4 58.01 1.51 1.5898 -2 2 2 4 58.41 8.51 1.5798 3 4 0 4 58.54 2.59 1.5768 -1 7 1 4 58.71 4.61 1.5725 0 8 0 2 59.14 1.34 1.5622 -3 1 1 4 59.56 14.21 1.5521 3 4 2 4 59.92 3.05 1.5437 2 6 2 4 60.55 1.72 1.5291 3 5 1 4 60.63 1.36 1.5273 -3 2 1 4 61.14 2.94 1.5158 2 7 1 4 61.33 2.16 1.5115 1 8 0 4 61.40 2.45 1.5099 3 1 3 4 61.49 2.45 1.5081 -1 1 3 4 62.55 3.68 1.4851 -1 6 2 4 62.87 1.14 1.4782 1 5 3 4 62.88 1.92 1.4781 0 7 2 4 63.07 2.59 1.4740 -3 3 1 4 63.92 10.92 1.4564 -2 4 2 4 65.26 1.33 1.4298 3 3 3 4 65.37 5.51 1.4276 2 5 3 4 65.41 1.54 1.4268 0 5 3 4 65.86 1.23 1.4182 3 6 1 4 66.49 3.64 1.4062 4 2 1 4 68.07 2.24 1.3775 3 6 0 4 68.16 4.10 1.3758 -2 5 2 4 68.47 4.26 1.3703 4 0 0 2 68.69 1.17 1.3664 -1 7 2 4 68.77 6.24 1.3651 1 0 4 2 68.82 1.88 1.3642 4 3 1 4 69.10 10.25 1.3593 1 8 2 4 69.12 3.22 1.3590 3 6 2 4 69.23 1.13 1.3572 1 1 4 4 69.55 2.10 1.3517 2 0 4 2 69.66 1.38 1.3498 0 9 1 4 69.92 3.14 1.3453 0 8 2 4 70.01 1.58 1.3439 2 1 4 4 70.31 3.02 1.3389 4 2 0 4 70.46 1.03 1.3365 1 9 1 4 70.48 2.77 1.3361 2 6 3 4 70.52 3.66 1.3354 0 6 3 4 70.57 1.88 1.3347 -3 5 1 4 70.60 1.48 1.3341 1 2 4 4 71.38 1.80 1.3215 2 2 4 4 72.79 1.24 1.2992 0 0 4 2 72.87 1.04 1.2981 1 3 4 4 73.18 2.55 1.2933 -2 6 2 4 73.63 1.00 1.2865 2 3 4 4 73.65 3.97 1.2863 -1 9 1 4 73.78 1.23 1.2842 -2 1 3 4 73.99 1.16 1.2811 1 7 3 4 75.98 4.40 1.2525 2 9 1 4 76.05 1.89 1.2515 4 5 1 4 77.23 2.70 1.2353 4 3 3 4 77.34 1.57 1.2338 -2 3 3 4 78.95 2.34 1.2127 -2 7 2 4 80.88 1.11 1.1885 4 6 1 4 81.40 5.09 1.1822 -4 3 1 4 82.02 2.59 1.1749 -1 10 1 4 82.11 2.59 1.1738 3 4 4 4 82.16 2.00 1.1732 -2 9 1 4 82.39 1.19 1.1705 4 6 2 4 83.22 1.92 1.1610 3 7 3 4 83.29 1.69 1.1601 -1 7 3 4 84.21 1.29 1.1498 4 5 3 4 84.28 1.54 1.1490 5 0 2 2 84.28 1.24 1.1490 2 10 1 4 84.80 1.28 1.1433 2 10 0 4 85.05 1.93 1.1406 1 10 2 4 85.82 1.08 1.1323 0 10 2 4 85.93 1.14 1.1311 3 9 1 4 88.01 1.09 1.1097 4 7 2 4 88.18 1.43 1.1080 5 -3 1 4 88.27 2.81 1.1071 -1 4 4 4 88.32 2.31 1.1066 -4 5 1 4 88.54 1.23 1.1044 0 6 4 4 88.95 1.40 1.1003 4 6 3 4 89.37 1.67 1.0963 5 0 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.