Sanidine Ackermann S, Kunz M, Armbruster T, Schefer J, Hanni H Schweizerische Mineralogische und Petrographische Mitteilungen 84 (2004) 345-354 Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: A combined neutron- and X-ray single-crystal diffraction study Note: X-Ray diffraction data, occupancies taken from simultaneous data Locality: Itrongay, Madagascar _database_code_amcsd 0020558 CELL PARAMETERS: 8.5832 13.0076 7.1943 90.000 116.023 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 721.789 Density (g/cm3): 2.557 MAX. ABS. INTENSITY / VOLUME**2: 5.825765094 RIR: 0.742 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.35 6.53 6.6344 1 1 0 4 13.61 9.66 6.5038 0 2 0 2 13.70 2.90 6.4649 0 0 1 2 15.10 10.33 5.8673 -1 1 1 4 19.36 1.27 4.5851 0 2 1 4 21.02 64.45 4.2269 -2 0 1 2 22.54 20.97 3.9454 1 1 1 4 23.06 3.82 3.8565 2 0 0 2 23.54 79.36 3.7796 1 3 0 4 24.60 14.75 3.6195 -1 3 1 4 25.13 10.57 3.5442 -2 2 1 4 25.70 48.42 3.4663 -1 1 2 4 26.88 100.00 3.3172 2 2 0 4 27.13 58.46 3.2870 -2 0 2 2 27.43 29.98 3.2519 0 4 0 2 27.60 80.09 3.2325 0 0 2 2 29.84 56.75 2.9944 1 3 1 4 30.47 8.74 2.9336 -2 2 2 4 30.78 24.16 2.9051 0 4 1 4 30.89 11.46 2.8947 0 2 2 4 32.06 1.30 2.7915 -3 1 1 4 32.34 20.59 2.7681 -1 3 2 4 34.42 19.24 2.6054 -3 1 2 4 34.74 3.01 2.5820 2 2 1 4 34.81 35.78 2.5774 -2 4 1 4 35.17 9.09 2.5514 1 1 2 4 35.59 9.40 2.5222 3 1 0 4 36.13 4.24 2.4860 2 4 0 4 37.17 8.59 2.4190 -1 5 1 4 37.70 11.11 2.3863 -3 3 1 4 38.76 5.45 2.3233 -1 1 3 4 39.76 1.90 2.2669 -3 3 2 4 40.40 1.03 2.2325 -2 2 3 4 40.97 3.78 2.2028 1 5 1 4 41.66 23.85 2.1679 0 6 0 2 42.49 9.88 2.1276 2 4 1 4 42.65 3.14 2.1201 -4 0 1 2 42.79 4.46 2.1135 -4 0 2 2 43.73 2.02 2.0702 2 0 2 2 43.78 2.08 2.0676 3 1 1 4 44.06 4.81 2.0554 0 6 1 4 45.11 12.99 2.0100 -4 2 2 4 46.01 11.69 1.9727 2 2 2 4 46.43 2.82 1.9558 -3 3 3 4 47.13 10.89 1.9283 4 0 0 2 47.25 2.81 1.9239 -3 5 1 4 47.52 5.74 1.9135 -4 0 3 2 48.15 2.53 1.8898 2 6 0 4 48.26 1.46 1.8858 3 3 1 4 49.13 6.34 1.8543 1 1 3 4 49.29 2.57 1.8487 4 2 0 4 49.55 1.69 1.8397 1 5 2 4 49.66 1.69 1.8357 -4 2 3 4 49.87 3.45 1.8287 3 5 0 4 50.43 4.15 1.8098 -2 6 2 4 50.70 9.17 1.8005 0 6 2 4 50.77 21.64 1.7981 -2 0 4 2 50.83 9.10 1.7963 0 4 3 4 51.45 5.91 1.7760 -4 4 1 4 51.57 2.58 1.7721 -4 4 2 4 52.39 3.97 1.7464 2 4 2 4 53.27 1.63 1.7197 1 3 3 4 53.92 1.88 1.7004 -5 1 2 4 54.77 5.56 1.6760 -3 5 3 4 55.68 3.12 1.6509 -1 7 2 4 56.40 6.50 1.6313 3 5 1 4 56.55 1.41 1.6275 -5 1 3 4 56.61 1.66 1.6259 0 8 0 2 57.87 5.74 1.5934 -4 2 4 4 58.88 5.85 1.5685 0 2 4 4 59.30 1.29 1.5583 2 2 3 4 60.33 7.19 1.5343 -5 3 3 4 60.58 1.95 1.5284 0 6 3 4 61.14 7.13 1.5157 -4 6 1 4 61.94 20.84 1.4982 2 8 0 4 62.82 2.99 1.4792 -5 1 4 4 63.73 2.54 1.4603 -1 7 3 4 63.87 1.13 1.4574 -2 8 2 4 64.07 3.13 1.4534 5 3 0 4 64.11 1.39 1.4525 0 8 2 4 64.26 3.58 1.4495 1 1 4 4 64.70 1.90 1.4408 4 6 0 4 64.77 7.98 1.4393 2 4 3 4 65.01 1.99 1.4346 -4 6 3 4 65.15 2.48 1.4319 -5 5 2 4 65.29 6.38 1.4290 -6 0 2 2 65.73 1.57 1.4206 1 9 0 4 66.47 6.56 1.4066 4 0 2 2 67.19 2.64 1.3932 -4 0 5 2 67.50 1.94 1.3876 -5 5 3 4 67.70 3.12 1.3840 -2 6 4 4 67.78 1.40 1.3825 1 3 4 4 68.09 1.10 1.3770 -6 2 3 4 68.49 1.24 1.3699 -1 1 5 4 68.93 2.15 1.3623 -4 2 5 4 69.53 2.39 1.3519 -6 2 1 4 70.18 4.97 1.3410 -1 9 2 4 70.87 2.36 1.3296 -6 0 4 2 71.04 1.06 1.3269 5 5 0 4 71.92 5.29 1.3129 -1 3 5 4 72.19 1.65 1.3086 -2 4 5 4 72.22 1.63 1.3081 -5 1 5 4 72.29 1.92 1.3071 5 3 1 4 72.68 2.44 1.3010 2 0 4 2 72.69 1.41 1.3008 0 10 0 2 72.88 1.65 1.2979 0 8 3 4 73.02 1.45 1.2958 0 6 4 4 73.33 1.09 1.2910 4 4 2 4 73.39 1.44 1.2902 -4 8 1 4 73.48 9.53 1.2887 -4 8 2 4 73.70 2.15 1.2855 6 0 0 2 74.02 2.14 1.2807 -4 4 5 4 74.15 10.03 1.2787 2 8 2 4 74.61 2.63 1.2720 -6 4 1 4 74.76 2.12 1.2699 -3 9 2 4 74.88 1.03 1.2682 0 2 5 4 75.57 2.99 1.2582 -5 3 5 4 75.68 3.19 1.2567 -3 5 5 4 78.44 1.21 1.2192 3 5 3 4 78.94 1.02 1.2128 5 5 1 4 79.19 1.69 1.2095 -2 10 2 4 79.41 1.25 1.2067 0 10 2 4 80.48 1.16 1.1934 -2 6 5 4 83.66 3.90 1.1559 -4 8 4 4 84.53 4.07 1.1463 0 8 4 4 85.00 1.04 1.1411 -2 10 3 4 86.50 3.07 1.1251 4 4 3 4 87.73 1.38 1.1125 -1 9 4 4 89.18 1.22 1.0982 6 4 1 4 89.20 1.70 1.0979 7 1 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.