Analcime Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050094 Mazzi F, Galli E American Mineralogist 63 (1978) 448-460 Is each analcime different? ANA 1 CELL PARAMETERS: 13.7180 13.7180 13.7209 90.000 90.000 90.000 ALTERNATE SETTING FOR SPACE GROUP: I4_1/acd ATOM X Y Z OCCUPANCY ISO(B) Al 0.12640 0.16170 0.41180 0.470 0.760 Si 0.12640 0.16170 0.41180 0.530 0.760 Si 0.16310 0.41310 0.12500 1.000 0.770 Na 0.12460 0.00000 0.25000 0.820 2.800 Na 0.00000 0.25000 0.12500 0.230 2.840 O 0.10500 0.37050 0.21860 1.000 2.400 O 0.22180 0.10280 0.36330 1.000 1.860 O 0.36310 0.21820 0.10510 1.000 1.840 Wa 0.11950 0.13050 0.12500 1.000 6.030 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 12 +/- 12 +/- 12 MAX. ABS. INTENSITY / VOLUME**2: 10.51805300 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 12.91 3.53 6.8590 2 0 0 15.82 34.88 5.6011 1 1 2 15.82 51.00 5.6005 2 1 1 18.29 16.83 4.8506 2 0 2 18.29 3.18 4.8500 2 2 0 24.27 3.91 3.6668 2 1 3 24.28 1.62 3.6663 3 2 1 25.98 41.06 3.4302 0 0 4 25.98 100.00 3.4295 4 0 0 30.56 51.15 2.9249 3 2 3 30.57 19.56 2.9248 3 3 2 31.96 1.27 2.8006 2 2 4 31.96 5.71 2.8003 4 2 2 33.30 5.65 2.6907 3 1 4 33.30 8.44 2.6905 4 1 3 33.30 4.83 2.6903 4 3 1 35.85 5.53 2.5050 2 1 5 35.85 2.09 2.5046 5 1 2 35.85 7.45 2.5046 5 2 1 37.07 9.96 2.4253 4 0 4 37.07 2.47 2.4250 4 4 0 40.53 1.50 2.2258 1 1 6 40.53 2.40 2.2257 3 2 5 40.54 2.69 2.2255 5 2 3 40.54 1.60 2.2254 6 1 1 47.81 6.66 1.9026 4 0 6 47.81 4.18 1.9025 6 0 4 47.81 5.58 1.9023 6 4 0 48.77 1.04 1.8671 2 1 7 48.78 2.27 1.8670 3 3 6 48.78 6.55 1.8668 6 3 3 48.78 1.80 1.8668 7 2 1 52.52 6.29 1.7425 3 2 7 52.52 1.01 1.7424 5 1 6 52.52 2.11 1.7423 6 1 5 52.53 5.87 1.7422 7 2 3 52.53 7.32 1.7422 7 3 2 52.53 2.63 1.7422 6 5 1 53.42 2.72 1.7151 0 0 8 53.43 5.23 1.7148 8 0 0 54.32 3.06 1.6888 4 1 7 54.33 2.67 1.6887 7 1 4 54.33 2.33 1.6886 7 4 1 55.20 1.24 1.6639 2 0 8 56.95 2.25 1.6169 6 0 6 57.81 2.39 1.5950 3 1 8 57.82 2.54 1.5947 8 1 3 57.82 1.91 1.5947 8 3 1 62.00 1.06 1.4968 8 2 4 62.00 1.45 1.4968 8 4 2 62.82 1.08 1.4793 9 1 2 62.82 1.48 1.4793 9 2 1 63.62 1.37 1.4625 6 4 6 66.02 2.02 1.4152 3 2 9 66.02 1.24 1.4151 6 3 7 66.02 1.40 1.4150 7 3 6 66.03 2.09 1.4149 9 2 3 66.03 1.09 1.4149 7 6 3 66.03 1.63 1.4149 9 3 2 68.38 1.20 1.3719 8 0 6 68.39 1.81 1.3718 8 6 0 69.15 1.21 1.3586 1 1 10 69.15 6.22 1.3584 7 2 7 69.16 2.45 1.3583 7 7 2 69.16 3.46 1.3583 10 1 1 72.21 1.26 1.3082 3 1 10 73.73 2.52 1.2850 7 1 8 73.74 2.19 1.2849 8 1 7 73.74 1.91 1.2848 8 7 1 75.24 1.61 1.2629 10 3 3 78.21 1.10 1.2223 5 1 10 78.21 1.68 1.2223 6 3 9 78.22 1.43 1.2222 9 3 6 78.22 1.17 1.2221 10 1 5 78.22 1.70 1.2221 9 6 3 78.22 1.02 1.2221 10 5 1 81.16 1.48 1.1851 7 6 7 86.98 2.24 1.1201 10 5 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.