Feldspar Benna P, Bruno E American Mineralogist 88 (2003) 1532-1541 Single-crystal in situ high-temperature structural investigation of the I-1 - I2/c phase transition in Ca0.2Sr0.8Al2Si2O8 feldspar T = 20 C _database_code_amcsd 0003177 CELL PARAMETERS: 8.3610 12.9730 14.2590 90.790 115.550 90.620 SPACE GROUP: I-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1395.014 Density (g/cm3): 3.011 MAX. ABS. INTENSITY / VOLUME**2: 5.146660864 RIR: 0.557 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.47 2.69 6.5731 -1 1 0 2 13.66 44.95 6.4848 0 2 0 2 13.77 15.38 6.4310 0 0 2 2 15.30 9.35 5.7928 -1 -1 2 2 15.35 12.28 5.7714 -1 1 2 2 17.46 1.20 5.0782 -1 -2 1 2 19.24 26.85 4.6137 0 -2 2 2 19.64 12.31 4.5203 0 2 2 2 21.57 22.89 4.1200 -2 0 2 2 21.97 1.10 4.0461 0 1 3 2 22.91 1.60 3.8817 1 1 2 2 23.26 1.15 3.8246 -1 -2 3 2 23.53 34.49 3.7811 -1 3 0 2 23.59 18.49 3.7710 2 0 0 2 23.91 43.18 3.7210 1 3 0 2 24.73 23.73 3.6005 -1 -3 2 2 24.83 20.54 3.5851 -1 3 2 2 25.53 18.55 3.4889 -2 2 2 2 25.70 22.28 3.4662 -2 -2 2 2 25.83 57.39 3.4492 -1 -1 4 2 26.02 63.83 3.4248 -1 1 4 2 27.13 100.00 3.2866 -2 2 0 2 27.51 16.41 3.2424 0 4 0 2 27.58 92.93 3.2339 2 2 0 2 27.62 95.20 3.2298 -2 0 4 2 27.74 93.61 3.2155 0 0 4 2 29.69 49.36 3.0090 1 -3 2 2 30.40 51.60 2.9403 1 3 2 2 30.62 35.88 2.9193 0 -4 2 2 30.78 9.01 2.9045 0 -2 4 2 30.87 2.80 2.8964 -2 -2 4 2 30.99 2.05 2.8857 -2 2 4 2 31.14 15.10 2.8717 0 4 2 2 31.30 1.71 2.8576 0 2 4 2 32.29 1.74 2.7726 2 0 2 2 32.33 37.99 2.7691 -1 -3 4 2 32.79 38.04 2.7316 -1 3 4 2 32.82 3.63 2.7286 -3 1 2 2 32.99 2.72 2.7155 -3 -1 2 2 34.91 9.04 2.5703 2 -2 2 2 35.10 38.73 2.5569 -2 4 2 2 35.22 13.35 2.5485 -3 1 4 2 35.25 15.68 2.5459 -3 -1 4 2 35.27 17.68 2.5444 1 -1 4 2 35.35 47.96 2.5391 -2 -4 2 2 35.50 7.42 2.5289 2 2 2 2 35.59 11.66 2.5222 1 1 4 2 36.27 6.31 2.4767 -3 1 0 2 36.53 5.89 2.4596 3 1 0 2 36.85 2.50 2.4390 1 5 0 2 37.30 12.03 2.4109 -1 -5 2 2 37.42 13.61 2.4032 -1 5 2 2 38.25 12.52 2.3533 -3 3 2 2 38.31 1.96 2.3494 -2 0 6 2 38.67 10.36 2.3283 -3 -3 2 2 38.91 8.24 2.3145 -1 -1 6 2 39.15 9.05 2.3011 -1 1 6 2 40.26 3.35 2.2400 1 -3 4 2 40.46 6.68 2.2294 -3 3 4 2 40.56 4.32 2.2241 -3 -3 4 2 40.71 4.08 2.2166 -2 -2 6 2 40.74 14.48 2.2150 1 -5 2 2 41.00 6.92 2.2012 -2 2 6 2 41.12 4.82 2.1954 1 3 4 2 41.64 19.24 2.1691 1 5 2 2 41.79 29.79 2.1616 0 6 0 2 42.42 15.92 2.1310 2 -4 2 2 42.53 1.19 2.1257 -3 -1 6 2 42.83 3.90 2.1113 -1 -5 4 2 43.42 6.31 2.0842 2 4 2 2 43.43 6.18 2.0836 -1 5 4 2 43.60 3.46 2.0759 -1 -3 6 2 43.82 10.60 2.0660 -4 0 2 2 43.92 6.36 2.0617 0 -6 2 2 43.95 5.80 2.0600 -4 0 4 2 44.20 2.71 2.0489 2 0 4 2 44.23 1.52 2.0479 0 -2 6 2 44.24 4.01 2.0472 -1 3 6 2 44.39 7.52 2.0408 3 -1 2 2 44.49 7.08 2.0364 0 6 2 2 44.70 7.73 2.0271 3 1 2 2 45.92 3.79 1.9764 -4 2 2 2 46.14 9.52 1.9674 -4 2 4 2 46.15 6.02 1.9668 2 -2 4 2 46.31 5.04 1.9607 -4 -2 2 2 46.34 9.39 1.9592 -4 -2 4 2 46.81 8.90 1.9408 2 2 4 2 47.06 5.91 1.9309 -3 -3 6 2 47.25 3.63 1.9238 -3 3 6 2 47.35 1.92 1.9198 -2 6 2 2 47.64 4.30 1.9090 -3 5 2 2 47.65 5.44 1.9085 -2 -6 2 2 48.07 1.45 1.8927 -2 4 6 2 48.23 2.89 1.8868 -3 -5 2 2 48.27 24.86 1.8855 4 0 0 2 48.55 6.32 1.8752 3 -3 2 2 48.64 15.40 1.8719 -4 0 6 2 49.21 5.07 1.8515 1 -5 4 2 49.30 8.57 1.8485 1 -1 6 2 49.43 6.34 1.8437 3 3 2 2 49.60 5.87 1.8380 -3 5 4 2 49.63 10.55 1.8369 1 1 6 2 49.74 4.16 1.8331 -3 -5 4 2 50.38 3.17 1.8112 0 -6 4 2 50.42 5.17 1.8098 1 5 4 2 50.50 1.51 1.8071 -1 7 0 2 50.56 8.23 1.8052 0 -4 6 2 50.71 5.90 1.8002 -2 -6 4 2 50.94 2.92 1.7926 -2 6 4 2 51.26 45.05 1.7822 -2 0 8 2 51.37 2.47 1.7788 -1 7 2 2 51.42 5.42 1.7772 0 6 4 2 51.59 8.91 1.7716 0 4 6 2 52.17 8.90 1.7533 -4 4 2 2 52.26 4.54 1.7504 2 -4 4 2 52.45 3.35 1.7444 -4 4 4 2 52.82 2.36 1.7331 -4 -4 4 2 52.87 8.34 1.7316 -4 -4 2 2 53.14 2.76 1.7236 2 -6 2 2 53.45 2.64 1.7142 2 4 4 2 53.51 3.59 1.7124 -2 2 8 2 55.32 8.34 1.6605 -3 -5 6 2 55.38 1.93 1.6591 -5 1 4 2 55.53 1.53 1.6549 -5 -1 4 2 55.56 1.58 1.6540 3 -1 4 2 55.58 3.50 1.6534 -1 -7 4 2 55.60 7.43 1.6530 -3 5 6 2 55.91 2.13 1.6445 3 1 4 2 56.28 2.62 1.6347 -1 7 4 2 56.44 6.27 1.6303 3 -5 2 2 56.47 1.61 1.6294 4 0 2 2 56.69 1.79 1.6238 -5 1 2 2 56.79 10.23 1.6212 0 8 0 2 56.92 1.27 1.6178 -5 -1 2 2 56.96 1.90 1.6167 -3 -3 8 2 57.77 7.78 1.5961 3 5 2 2 58.87 6.56 1.5687 -4 -2 8 2 58.90 7.52 1.5680 0 -2 8 2 59.01 6.49 1.5653 -4 2 8 2 59.07 3.86 1.5640 3 -3 4 2 59.08 2.82 1.5636 -5 3 4 2 59.48 3.89 1.5541 2 -2 6 2 59.52 2.71 1.5531 -5 -3 4 2 59.52 6.08 1.5531 0 2 8 2 60.07 3.12 1.5402 3 3 4 2 60.17 1.91 1.5379 0 -6 6 2 60.18 3.05 1.5377 2 2 6 2 60.57 1.14 1.5286 1 -5 6 2 60.86 3.93 1.5220 1 -7 4 2 61.38 2.65 1.5104 -3 7 4 2 61.55 5.81 1.5068 0 6 6 2 61.56 2.40 1.5065 -3 -7 4 2 61.65 1.22 1.5045 2 -6 4 2 61.68 6.77 1.5039 -4 6 2 2 61.70 7.49 1.5034 -5 3 6 2 61.88 16.09 1.4995 -2 8 0 2 61.90 8.85 1.4991 -5 -3 6 2 62.01 1.43 1.4966 -4 6 4 2 62.34 1.93 1.4895 1 7 4 2 62.63 5.22 1.4833 -4 -6 2 2 62.81 13.58 1.4794 2 8 0 2 62.86 1.69 1.4784 3 7 0 2 63.25 1.41 1.4701 2 6 4 2 63.47 2.79 1.4657 -1 -7 6 2 64.29 2.79 1.4488 -5 -1 8 2 64.30 2.63 1.4486 -5 1 8 2 64.51 2.00 1.4445 1 -1 8 2 64.63 7.73 1.4420 2 -4 6 2 64.86 2.10 1.4375 1 1 8 2 65.03 5.18 1.4342 -4 6 0 2 65.12 1.71 1.4325 -5 3 0 2 65.97 2.14 1.4160 5 3 0 2 65.97 7.02 1.4160 2 4 6 2 66.00 2.54 1.4155 -4 6 6 2 66.26 3.02 1.4106 1 9 0 2 66.39 5.01 1.4080 4 6 0 2 67.23 1.23 1.3926 3 -7 2 2 67.26 10.31 1.3920 -6 0 4 2 67.57 9.33 1.3863 4 0 4 2 67.67 4.66 1.3845 -2 -6 8 2 67.70 1.66 1.3840 1 -3 8 2 68.28 1.66 1.3737 -4 0 10 2 68.73 3.35 1.3658 -2 6 8 2 68.77 3.84 1.3650 -5 5 6 2 68.90 1.89 1.3627 3 7 2 2 68.96 1.12 1.3617 3 -1 6 2 69.09 3.87 1.3596 -5 -5 6 2 69.34 1.35 1.3552 3 1 6 2 69.87 2.88 1.3462 -4 -2 10 2 70.09 8.83 1.3425 -1 -9 4 2 70.14 1.05 1.3417 -4 2 10 2 70.19 1.31 1.3409 5 -1 2 2 70.54 1.16 1.3351 5 1 2 2 70.87 6.19 1.3296 -1 9 4 2 70.97 2.08 1.3281 1 -7 6 2 71.00 2.22 1.3276 -2 8 6 2 71.22 2.32 1.3240 -6 2 2 2 71.74 2.17 1.3157 -6 -2 2 2 71.93 4.59 1.3126 -1 -3 10 2 72.28 2.86 1.3072 -2 -4 10 2 72.81 3.62 1.2989 -6 0 8 2 72.82 3.81 1.2988 -1 3 10 2 72.94 4.35 1.2970 0 10 0 2 73.00 1.07 1.2961 2 -6 6 2 73.24 1.69 1.2923 -2 4 10 2 73.26 1.28 1.2921 5 -3 2 2 73.30 4.68 1.2915 2 0 8 2 73.67 1.60 1.2859 -3 9 2 2 73.67 5.24 1.2859 2 -8 4 2 74.17 6.24 1.2785 -4 8 4 2 74.28 1.71 1.2769 5 3 2 2 74.78 8.32 1.2695 -4 -8 4 2 74.84 4.37 1.2687 -4 -4 10 2 74.90 1.40 1.2678 2 6 6 2 74.99 1.86 1.2666 0 -2 10 2 75.35 1.36 1.2613 -6 -4 6 2 75.37 4.24 1.2611 -4 4 10 2 75.64 7.84 1.2573 2 8 4 2 75.66 1.71 1.2570 6 0 0 2 76.01 1.69 1.2521 -3 -5 10 2 76.03 2.19 1.2517 -6 4 2 2 76.93 2.87 1.2394 -3 5 10 2 76.93 2.24 1.2394 -5 -3 10 2 77.00 2.76 1.2383 -6 2 0 2 77.04 1.36 1.2379 -6 -4 2 2 77.10 1.07 1.2370 -1 -9 6 2 77.16 2.19 1.2362 -5 3 10 2 77.36 1.21 1.2335 -2 10 0 2 77.64 2.25 1.2298 6 2 0 2 78.47 1.24 1.2188 -1 9 6 2 79.34 1.25 1.2076 -2 -8 8 2 79.51 1.37 1.2055 -2 -10 4 2 79.63 1.96 1.2040 0 -4 10 2 79.78 1.81 1.2020 -1 5 10 2 80.17 1.32 1.1972 3 5 6 2 80.38 1.56 1.1946 -2 -6 10 2 80.58 2.46 1.1922 -6 0 10 2 80.67 2.24 1.1910 -2 8 8 2 80.98 1.59 1.1873 0 4 10 2 81.16 1.03 1.1850 2 -10 2 2 81.31 1.04 1.1833 1 -1 10 2 81.63 4.26 1.1794 -6 4 0 2 81.70 1.32 1.1787 1 1 10 2 81.78 2.48 1.1777 -2 6 10 2 82.89 3.89 1.1647 6 4 0 2 82.94 1.12 1.1641 -6 -6 4 2 83.15 1.08 1.1617 4 -8 2 2 83.88 3.32 1.1534 0 -8 8 2 84.01 1.01 1.1520 1 -9 6 2 84.48 2.77 1.1468 -4 -8 8 2 84.55 1.64 1.1460 -5 -7 8 2 84.97 3.63 1.1415 -4 8 8 2 86.03 2.68 1.1301 0 8 8 2 86.88 2.01 1.1211 4 -4 6 2 87.00 1.74 1.1200 2 -6 8 2 87.05 1.27 1.1194 -6 -4 10 2 87.51 1.33 1.1147 -6 6 8 2 87.58 1.52 1.1141 -3 -9 8 2 87.78 1.27 1.1120 -6 -6 8 2 88.52 1.71 1.1046 4 4 6 2 88.83 2.10 1.1015 3 -9 4 2 89.22 1.78 1.0977 2 6 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.