Sanidine Phillips M W, Ribbe P H American Mineralogist 58 (1973) 263-270 The structures of monoclinic potassium-rich feldspars Locality: Laacher See, Eifel District, Germany _database_code_amcsd 0000312 CELL PARAMETERS: 8.5390 13.0150 7.1790 90.000 115.990 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 717.154 Density (g/cm3): 2.555 MAX. ABS. INTENSITY / VOLUME**2: 5.672506069 RIR: 0.723 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.39 6.39 6.6114 1 1 0 4 13.61 9.45 6.5075 0 2 0 2 13.72 2.72 6.4530 0 0 1 2 15.14 9.66 5.8523 -1 1 1 4 19.37 1.23 4.5821 0 2 1 4 21.12 66.61 4.2062 -2 0 1 2 22.60 22.64 3.9348 1 1 1 4 23.18 3.47 3.8377 2 0 0 2 23.56 80.36 3.7768 1 3 0 4 24.61 14.16 3.6173 -1 3 1 4 25.21 10.22 3.5325 -2 2 1 4 25.75 48.07 3.4597 -1 1 2 4 26.97 100.00 3.3057 2 2 0 4 27.22 62.02 3.2760 -2 0 2 2 27.41 32.50 3.2538 0 4 0 2 27.65 81.94 3.2265 0 0 2 2 29.88 56.37 2.9905 1 3 1 4 30.55 8.56 2.9262 -2 2 2 4 30.78 24.25 2.9053 0 4 1 4 30.93 11.59 2.8907 0 2 2 4 32.38 21.45 2.7653 -1 3 2 4 34.57 17.74 2.5945 -3 1 2 4 34.85 3.41 2.5741 2 2 1 4 34.86 36.57 2.5736 -2 4 1 4 35.26 8.87 2.5455 1 1 2 4 35.77 9.16 2.5104 3 1 0 4 36.19 4.73 2.4818 2 4 0 4 37.17 9.03 2.4191 -1 5 1 4 37.83 11.66 2.3781 -3 3 1 4 38.83 5.42 2.3192 -1 1 3 4 39.89 1.97 2.2600 -3 3 2 4 40.49 1.02 2.2279 -2 2 3 4 40.99 4.34 2.2018 1 5 1 4 41.64 24.24 2.1692 0 6 0 2 42.57 10.51 2.1235 2 4 1 4 42.88 3.07 2.1090 -4 0 1 2 43.01 4.87 2.1031 -4 0 2 2 43.86 2.07 2.0640 2 0 2 2 43.97 2.11 2.0595 3 1 1 4 44.04 5.01 2.0561 0 6 1 4 45.32 13.20 2.0012 -4 2 2 4 46.14 11.65 1.9674 2 2 2 4 46.56 2.77 1.9508 -3 3 3 4 47.35 2.85 1.9199 -3 5 1 4 47.38 11.06 1.9189 4 0 0 2 47.73 6.24 1.9056 -4 0 3 2 48.19 2.90 1.8884 2 6 0 4 48.42 1.64 1.8798 3 3 1 4 49.25 6.77 1.8503 1 1 3 4 49.53 2.76 1.8405 4 2 0 4 49.60 1.46 1.8380 1 5 2 4 49.86 1.44 1.8288 -4 2 3 4 49.99 2.99 1.8247 3 5 0 4 50.46 4.53 1.8086 -2 6 2 4 50.71 9.19 1.8002 0 6 2 4 50.89 23.29 1.7944 -2 0 4 2 50.89 9.22 1.7943 0 4 3 4 51.65 6.39 1.7698 -4 4 1 4 51.76 3.19 1.7663 -4 4 2 4 52.50 4.66 1.7429 2 4 2 4 53.37 1.52 1.7167 1 3 3 4 54.22 1.69 1.6918 -5 1 2 4 54.87 5.68 1.6731 -3 5 3 4 55.68 2.78 1.6509 -1 7 2 4 56.54 6.84 1.6277 3 5 1 4 56.57 1.06 1.6269 -3 3 4 4 56.57 1.91 1.6269 0 8 0 2 56.83 1.40 1.6202 -5 1 3 4 58.07 5.83 1.5885 -4 2 4 4 58.51 1.00 1.5775 0 8 1 4 58.99 5.98 1.5658 0 2 4 4 59.46 1.32 1.5545 2 2 3 4 60.59 7.54 1.5282 -5 3 3 4 60.63 2.05 1.5274 0 6 3 4 61.30 7.39 1.5121 -4 6 1 4 61.95 21.78 1.4978 2 8 0 4 63.09 3.15 1.4735 -5 1 4 4 63.76 2.54 1.4597 -1 7 3 4 63.89 1.11 1.4571 -2 8 2 4 64.10 1.34 1.4527 0 8 2 4 64.38 2.84 1.4472 5 3 0 4 64.41 3.55 1.4466 1 1 4 4 64.88 2.06 1.4372 4 6 0 4 64.92 8.46 1.4364 2 4 3 4 65.16 2.11 1.4316 -4 6 3 4 65.40 2.35 1.4270 -5 5 2 4 65.68 6.74 1.4216 -6 0 2 2 65.70 1.85 1.4211 1 9 0 4 66.75 6.84 1.4014 4 0 2 2 67.40 3.01 1.3893 -4 0 5 2 67.74 2.18 1.3832 -5 5 3 4 67.78 3.29 1.3826 -2 6 4 4 67.92 1.49 1.3800 1 3 4 4 68.45 1.15 1.3706 -6 2 3 4 68.63 1.40 1.3675 -1 1 5 4 69.14 2.04 1.3587 -4 2 5 4 69.93 2.47 1.3453 -6 2 1 4 70.16 5.52 1.3413 -1 9 2 4 71.23 2.31 1.3238 -6 0 4 2 71.33 1.16 1.3223 5 5 0 4 72.05 5.39 1.3108 -1 3 5 4 72.32 1.84 1.3066 -2 4 5 4 72.50 1.61 1.3038 -5 1 5 4 72.62 1.89 1.3019 5 3 1 4 72.65 1.46 1.3015 0 10 0 2 72.88 2.56 1.2978 2 0 4 2 72.90 1.86 1.2975 0 8 3 4 73.10 1.56 1.2945 0 6 4 4 73.52 1.44 1.2882 -4 8 1 4 73.59 1.34 1.2871 4 4 2 4 73.61 10.49 1.2868 -4 8 2 4 74.12 2.34 1.2792 6 0 0 2 74.22 2.38 1.2777 -4 4 5 4 74.22 10.80 1.2777 2 8 2 4 74.81 1.94 1.2691 -3 9 2 4 74.99 2.76 1.2666 -6 4 1 4 75.03 1.13 1.2659 0 2 5 4 75.78 1.13 1.2552 6 2 0 4 75.83 3.25 1.2546 -3 5 5 4 75.84 3.24 1.2544 -5 3 5 4 78.65 1.31 1.2165 3 5 3 4 79.19 1.78 1.2095 -2 10 2 4 79.25 1.01 1.2087 5 5 1 4 79.39 1.31 1.2070 0 10 2 4 80.60 1.28 1.1920 -2 6 5 4 83.81 4.23 1.1543 -4 8 4 4 84.60 4.31 1.1455 0 8 4 4 85.02 1.12 1.1409 -2 10 3 4 86.81 3.15 1.1219 4 4 3 4 87.77 1.50 1.1121 -1 9 4 4 89.62 1.36 1.0939 6 4 1 4 89.75 1.74 1.0926 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.