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 = 500 C _database_code_amcsd 0003180 CELL PARAMETERS: 8.3790 12.9710 14.2780 90.110 115.480 90.060 SPACE GROUP: I-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1400.850 Density (g/cm3): 2.998 MAX. ABS. INTENSITY / VOLUME**2: 4.756723799 RIR: 0.517 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.65 42.96 6.4855 0 2 0 2 13.74 13.83 6.4446 0 0 2 2 15.30 10.41 5.7901 -1 -1 2 2 15.31 10.67 5.7861 -1 1 2 2 19.39 18.94 4.5774 0 -2 2 2 19.44 17.61 4.5654 0 2 2 2 21.53 24.44 4.1278 -2 0 2 2 22.68 1.11 3.9210 1 -1 2 2 22.72 1.14 3.9147 1 1 2 2 23.52 18.90 3.7820 2 0 0 2 23.68 42.71 3.7570 -1 3 0 2 23.72 43.29 3.7503 1 3 0 2 24.76 22.24 3.5959 -1 -3 2 2 24.78 22.24 3.5930 -1 3 2 2 25.57 21.81 3.4832 -2 2 2 2 25.59 21.74 3.4814 -2 -2 2 2 25.88 62.98 3.4432 -1 -1 4 2 25.90 63.04 3.4398 -1 1 4 2 27.27 98.73 3.2700 -2 2 0 2 27.32 97.66 3.2641 2 2 0 2 27.51 16.91 3.2427 0 4 0 2 27.58 97.11 3.2339 -2 0 4 2 27.68 100.00 3.2223 0 0 4 2 29.96 52.98 2.9830 1 -3 2 2 30.04 52.75 2.9746 1 3 2 2 30.84 25.69 2.8998 0 -4 2 2 30.89 2.61 2.8950 -2 -2 4 2 30.90 23.80 2.8937 0 4 2 2 30.91 2.55 2.8931 -2 2 4 2 30.96 4.74 2.8888 0 -2 4 2 31.02 4.09 2.8827 0 2 4 2 32.19 1.07 2.7811 2 0 2 2 32.50 37.72 2.7552 -1 -3 4 2 32.56 37.38 2.7500 -1 3 4 2 32.82 2.54 2.7286 -3 1 2 2 32.84 2.45 2.7273 -3 -1 2 2 35.07 7.11 2.5585 2 -2 2 2 35.14 6.97 2.5535 2 2 2 2 35.18 14.66 2.5511 -3 1 4 2 35.18 14.94 2.5511 -3 -1 4 2 35.18 42.42 2.5507 -2 4 2 2 35.20 42.94 2.5493 -2 -4 2 2 35.32 15.20 2.5411 1 -1 4 2 35.36 14.61 2.5384 1 1 4 2 36.28 7.31 2.4760 -3 1 0 2 36.31 7.26 2.4740 3 1 0 2 36.60 1.13 2.4554 -1 5 0 2 36.64 1.30 2.4523 1 5 0 2 37.34 12.51 2.4085 -1 -5 2 2 37.36 12.64 2.4070 -1 5 2 2 38.26 1.56 2.3524 -2 0 6 2 38.37 10.50 2.3458 -3 3 2 2 38.41 10.40 2.3433 -3 -3 2 2 38.95 7.54 2.3124 -1 -1 6 2 38.98 7.66 2.3106 -1 1 6 2 40.46 4.90 2.2294 -3 3 4 2 40.46 4.85 2.2293 -3 -3 4 2 40.55 3.36 2.2245 1 -3 4 2 40.66 3.45 2.2190 1 3 4 2 40.78 5.06 2.2126 -2 -2 6 2 40.83 5.31 2.2103 -2 2 6 2 41.09 15.87 2.1965 1 -5 2 2 41.20 16.07 2.1909 1 5 2 2 41.78 30.32 2.1618 0 6 0 2 42.78 9.82 2.1138 2 -4 2 2 42.90 9.08 2.1083 2 4 2 2 43.06 3.94 2.1004 -1 -5 4 2 43.15 4.12 2.0966 -1 5 4 2 43.71 9.52 2.0711 -4 0 2 2 43.82 3.42 2.0660 -1 -3 6 2 43.87 6.10 2.0639 -4 0 4 2 43.91 3.44 2.0622 -1 3 6 2 44.07 3.00 2.0549 2 0 4 2 44.15 6.22 2.0512 0 -6 2 2 44.23 6.17 2.0480 0 6 2 2 44.39 7.02 2.0409 3 -1 2 2 44.39 1.05 2.0408 0 -2 6 2 44.42 7.08 2.0393 3 1 2 2 45.98 3.80 1.9738 -4 2 2 2 46.02 3.83 1.9721 -4 -2 2 2 46.15 9.37 1.9670 -4 2 4 2 46.16 9.47 1.9664 -4 -2 4 2 46.31 7.76 1.9605 2 -2 4 2 46.39 7.88 1.9573 2 2 4 2 47.09 4.28 1.9300 -3 -3 6 2 47.12 4.22 1.9287 -3 3 6 2 47.46 2.93 1.9155 -2 6 2 2 47.49 3.17 1.9146 -2 -6 2 2 47.85 3.00 1.9011 -3 5 2 2 47.91 2.90 1.8989 -3 -5 2 2 48.12 22.02 1.8910 4 0 0 2 48.56 13.28 1.8747 -4 0 6 2 48.81 5.85 1.8658 3 -3 2 2 48.91 5.88 1.8621 3 3 2 2 49.31 7.66 1.8479 1 -1 6 2 49.35 7.78 1.8465 1 1 6 2 49.62 4.38 1.8371 -3 5 4 2 49.62 4.25 1.8371 -3 -5 4 2 49.67 4.25 1.8354 1 -5 4 2 49.82 4.23 1.8303 1 5 4 2 50.78 4.15 1.7979 -2 -6 4 2 50.80 4.31 1.7974 0 -6 4 2 50.82 4.01 1.7965 -2 6 4 2 50.93 4.47 1.7931 0 6 4 2 50.93 8.62 1.7930 0 -4 6 2 51.06 8.59 1.7887 0 4 6 2 51.18 41.62 1.7847 -2 0 8 2 52.38 8.19 1.7466 -4 4 2 2 52.46 8.08 1.7443 -4 -4 2 2 52.55 2.38 1.7416 -4 4 4 2 52.58 2.29 1.7407 -4 -4 4 2 52.67 2.90 1.7379 2 -4 4 2 52.81 2.70 1.7335 2 4 4 2 53.20 1.29 1.7216 -2 -2 8 2 53.26 1.45 1.7199 -2 2 8 2 53.63 1.01 1.7090 2 -6 2 2 55.32 1.35 1.6606 -5 1 4 2 55.34 1.37 1.6602 -5 -1 4 2 55.39 7.16 1.6588 -3 -5 6 2 55.44 7.00 1.6574 -3 5 6 2 55.53 1.44 1.6547 3 -1 4 2 55.58 1.49 1.6536 3 1 4 2 55.86 2.80 1.6459 -1 -7 4 2 55.96 2.74 1.6433 -1 7 4 2 56.29 1.10 1.6345 4 0 2 2 56.63 1.13 1.6253 -5 1 2 2 56.66 1.11 1.6246 -5 -1 2 2 56.78 8.64 1.6214 0 8 0 2 56.91 6.44 1.6180 3 -5 2 2 57.06 1.15 1.6140 -3 -3 8 2 57.06 6.44 1.6140 3 5 2 2 57.12 1.09 1.6125 -3 3 8 2 58.85 5.53 1.5692 -4 -2 8 2 58.87 5.48 1.5686 -4 2 8 2 59.04 5.84 1.5646 0 -2 8 2 59.12 5.64 1.5627 0 2 8 2 59.16 1.97 1.5617 -5 3 4 2 59.20 1.96 1.5608 -5 -3 4 2 59.34 2.57 1.5575 3 -3 4 2 59.46 2.48 1.5546 3 3 4 2 59.61 3.00 1.5509 2 -2 6 2 59.70 2.92 1.5489 2 2 6 2 60.70 2.99 1.5258 0 -6 6 2 60.87 3.21 1.5218 0 6 6 2 61.43 1.97 1.5094 -3 7 4 2 61.43 1.94 1.5093 -3 -7 4 2 61.44 2.26 1.5090 1 -7 4 2 61.63 2.14 1.5050 1 7 4 2 61.69 6.92 1.5036 -5 3 6 2 61.70 7.00 1.5034 -5 -3 6 2 62.01 5.18 1.4966 -4 6 2 2 62.11 5.07 1.4945 -4 -6 2 2 62.24 1.05 1.4917 3 7 0 2 62.25 13.23 1.4913 -2 8 0 2 62.36 13.04 1.4891 2 8 0 2 63.92 1.42 1.4564 -1 -7 6 2 64.07 1.25 1.4533 -1 7 6 2 64.20 2.45 1.4508 -5 -1 8 2 64.20 2.44 1.4507 -5 1 8 2 64.49 2.08 1.4449 1 -1 8 2 64.53 2.07 1.4440 1 1 8 2 65.06 6.48 1.4337 2 -4 6 2 65.22 6.40 1.4305 2 4 6 2 65.30 1.68 1.4288 -5 3 0 2 65.40 1.69 1.4270 5 3 0 2 65.51 3.96 1.4248 -4 6 0 2 65.67 3.95 1.4219 4 6 0 2 65.95 1.20 1.4165 -4 -6 6 2 65.96 1.48 1.4163 -1 9 0 2 65.96 1.29 1.4162 -4 6 6 2 66.01 1.59 1.4152 1 9 0 2 67.08 8.80 1.3952 -6 0 4 2 67.34 8.30 1.3905 4 0 4 2 67.86 1.18 1.3811 3 -7 2 2 68.06 1.19 1.3776 3 7 2 2 68.06 3.37 1.3776 -2 -6 8 2 68.18 1.73 1.3755 -4 0 10 2 68.20 3.34 1.3750 -2 6 8 2 68.82 2.99 1.3641 -5 5 6 2 68.84 2.99 1.3639 -5 -5 6 2 69.89 1.50 1.3459 -4 -2 10 2 69.93 1.37 1.3452 -4 2 10 2 70.41 6.25 1.3373 -1 -9 4 2 70.49 1.14 1.3360 -2 -8 6 2 70.51 6.06 1.3355 -1 9 4 2 70.61 1.21 1.3340 -2 8 6 2 71.24 1.76 1.3236 -6 2 2 2 71.30 1.74 1.3227 -6 -2 2 2 71.67 1.01 1.3168 1 -7 6 2 72.18 3.57 1.3087 -1 -3 10 2 72.30 3.53 1.3069 -1 3 10 2 72.59 1.79 1.3024 -2 -4 10 2 72.68 2.72 1.3010 -6 0 8 2 72.72 1.70 1.3004 -2 4 10 2 72.93 3.34 1.2971 0 10 0 2 73.07 3.65 1.2949 2 0 8 2 73.47 1.21 1.2889 5 -3 2 2 73.59 1.23 1.2871 5 3 2 2 73.91 1.00 1.2823 2 6 6 2 74.38 6.08 1.2754 -4 8 4 2 74.43 6.22 1.2746 -4 -8 4 2 74.43 5.60 1.2746 2 -8 4 2 74.67 5.76 1.2711 2 8 4 2 74.97 3.27 1.2668 -4 -4 10 2 75.05 3.30 1.2657 -4 4 10 2 75.40 1.57 1.2607 6 0 0 2 76.28 1.49 1.2483 -6 4 2 2 76.31 1.75 1.2479 -3 -5 10 2 76.38 1.45 1.2468 -6 -4 2 2 76.44 1.79 1.2461 -3 5 10 2 76.91 1.71 1.2396 -5 -3 10 2 76.96 1.69 1.2390 -5 3 10 2 77.03 1.69 1.2380 -6 2 0 2 77.10 1.64 1.2370 6 2 0 2 79.85 1.18 1.2012 -2 -8 8 2 80.03 1.23 1.1989 -2 8 8 2 80.04 1.11 1.1989 0 -4 10 2 80.21 1.09 1.1967 0 4 10 2 80.44 1.59 1.1938 -6 0 10 2 80.88 1.37 1.1885 -2 -6 10 2 81.07 1.42 1.1862 -2 6 10 2 81.94 2.59 1.1758 -6 4 0 2 82.08 2.58 1.1742 6 4 0 2 84.61 2.45 1.1454 -4 -8 8 2 84.70 2.48 1.1444 -4 8 8 2 84.70 2.31 1.1444 0 -8 8 2 84.98 2.27 1.1414 0 8 8 2 87.31 1.37 1.1168 4 -4 6 2 87.51 1.35 1.1148 4 4 6 2 87.75 1.12 1.1123 2 -6 8 2 88.03 1.12 1.1095 2 6 8 2 89.82 1.11 1.0919 3 -9 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.