Amesite Zheng H, Bailey S W Clays and Clay Minerals 45 (1997) 301-310 Refinement of an amesite-2H1 polytype from Postmasburg, South Africa Note: polytype 2H1 Locality: Postmasburg, South Africa _database_code_amcsd 0018811 CELL PARAMETERS: 5.2990 9.1810 14.0500 90.060 90.300 90.000 SPACE GROUP: C1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 683.524 Density (g/cm3): 2.708 MAX. ABS. INTENSITY / VOLUME**2: 8.359781911 RIR: 1.005 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.60 100.00 7.0249 0 0 2 1 19.34 15.40 4.5905 0 2 0 1 19.34 14.26 4.5894 -1 1 0 1 19.34 14.56 4.5894 1 1 0 1 23.10 9.11 3.8511 -1 -1 2 1 23.11 8.64 3.8492 -1 1 2 1 23.13 8.25 3.8446 0 -2 2 1 23.16 8.12 3.8409 0 2 2 1 23.19 8.50 3.8351 1 -1 2 1 23.20 8.16 3.8333 1 1 2 1 25.36 74.37 3.5124 0 0 4 1 32.01 2.85 2.7961 -1 -1 4 1 32.03 2.98 2.7947 -1 1 4 1 32.07 2.92 2.7909 0 -2 4 1 32.10 2.63 2.7881 0 2 4 1 32.15 3.01 2.7839 1 -1 4 1 32.17 2.87 2.7825 1 1 4 1 33.82 1.25 2.6501 1 3 0 1 34.41 4.91 2.6061 -2 0 1 1 34.42 7.74 2.6059 -1 -3 1 1 34.43 6.42 2.6050 -1 3 1 1 34.45 6.56 2.6034 1 -3 1 1 34.46 7.18 2.6025 1 3 1 1 34.48 4.85 2.6011 2 0 1 1 36.17 18.56 2.4833 -2 0 2 1 36.18 15.83 2.4824 -1 -3 2 1 36.21 17.34 2.4809 -1 3 2 1 36.25 17.39 2.4781 1 -3 2 1 36.27 15.13 2.4767 1 3 2 1 36.30 19.27 2.4747 2 0 2 1 38.44 6.71 2.3416 0 0 6 1 38.97 4.08 2.3112 -2 0 3 1 38.99 3.85 2.3099 -1 -3 3 1 39.02 3.55 2.3081 -1 3 3 1 39.08 3.84 2.3048 1 -3 3 1 39.11 3.73 2.3030 1 3 3 1 39.15 4.18 2.3009 2 0 3 1 42.64 2.81 2.1205 -2 0 4 1 42.67 3.44 2.1191 -1 -3 4 1 42.71 3.31 2.1173 -1 3 4 1 42.78 3.14 2.1138 1 -3 4 1 42.82 3.24 2.1119 1 3 4 1 42.86 2.82 2.1099 2 0 4 1 43.46 1.01 2.0824 1 -1 6 1 47.02 9.23 1.9328 -2 0 5 1 47.05 9.18 1.9313 -1 -3 5 1 47.10 9.24 1.9296 -1 3 5 1 47.18 9.05 1.9263 1 -3 5 1 47.23 9.28 1.9246 1 3 5 1 47.28 8.52 1.9227 2 0 5 1 51.98 2.39 1.7591 -2 0 6 1 52.02 2.36 1.7578 -1 -3 6 1 52.07 2.37 1.7563 -1 3 6 1 52.08 1.82 1.7562 0 0 8 1 52.17 2.27 1.7533 1 -3 6 1 52.22 2.29 1.7517 1 3 6 1 52.27 2.47 1.7500 2 0 6 1 57.46 3.11 1.6039 -2 0 7 1 57.50 2.54 1.6027 -1 -3 7 1 57.56 2.71 1.6013 -1 3 7 1 57.66 2.71 1.5987 1 -3 7 1 57.72 2.44 1.5973 1 3 7 1 57.77 3.20 1.5959 2 0 7 1 60.51 15.18 1.5302 0 6 0 1 60.52 15.38 1.5298 -3 3 0 1 60.52 14.79 1.5298 3 3 0 1 62.02 1.87 1.4963 -3 -3 2 1 62.04 1.89 1.4960 -3 3 2 1 62.06 1.82 1.4954 0 -6 2 1 62.09 1.93 1.4948 0 6 2 1 62.15 1.76 1.4935 3 -3 2 1 62.17 1.85 1.4932 3 3 2 1 63.39 3.65 1.4674 -2 0 8 1 63.44 4.18 1.4663 -1 -3 8 1 63.50 4.01 1.4651 -1 3 8 1 63.61 4.08 1.4628 1 -3 8 1 63.67 4.22 1.4616 1 3 8 1 63.73 3.51 1.4603 2 0 8 1 66.55 2.08 1.4051 -3 -3 4 1 66.56 1.86 1.4050 0 0 10 1 66.58 2.25 1.4046 -3 3 4 1 66.64 2.05 1.4034 0 -6 4 1 66.70 2.21 1.4023 0 6 4 1 66.80 2.05 1.4005 3 -3 4 1 66.83 2.06 1.3999 3 3 4 1 69.76 2.15 1.3481 -2 0 9 1 69.82 1.96 1.3471 -1 -3 9 1 69.88 2.07 1.3461 -1 3 9 1 70.00 1.93 1.3441 1 -3 9 1 70.06 1.89 1.3430 1 3 9 1 70.13 2.05 1.3419 2 0 9 1 72.55 1.84 1.3030 -4 0 2 1 72.55 2.18 1.3029 -2 -6 2 1 72.58 1.96 1.3025 -2 6 2 1 72.63 2.09 1.3017 2 -6 2 1 72.66 2.19 1.3013 2 6 2 1 72.71 1.83 1.3005 4 0 2 1 79.89 1.04 1.2007 -4 0 5 1 82.36 1.18 1.1708 0 0 12 1 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.