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 = 620 C _database_code_amcsd 0003181 CELL PARAMETERS: 8.3860 12.9700 14.2830 90.000 115.460 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1402.643 Density (g/cm3): 2.995 MAX. ABS. INTENSITY / VOLUME**2: 9.236475005 RIR: 1.004 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.65 21.26 6.4850 0 2 0 2 13.73 7.01 6.4480 0 0 2 2 15.30 10.17 5.7900 -1 1 2 4 19.41 18.24 4.5724 0 2 2 4 21.51 12.61 4.1308 -2 0 2 2 22.68 1.15 3.9208 1 1 2 4 23.50 9.76 3.7858 2 0 0 2 23.70 44.54 3.7544 1 3 0 4 24.77 22.65 3.5947 -1 3 2 4 25.57 22.63 3.4840 -2 2 2 4 25.88 64.34 3.4426 -1 1 4 4 27.28 100.00 3.2695 2 2 0 4 27.51 8.64 3.2425 0 4 0 2 27.57 49.65 3.2352 -2 0 4 2 27.67 50.85 3.2240 0 0 4 2 29.99 54.63 2.9800 1 3 2 4 30.87 25.04 2.8968 0 4 2 4 30.89 2.48 2.8950 -2 2 4 4 30.98 4.52 2.8869 0 2 4 4 32.52 37.63 2.7531 -1 3 4 4 32.80 2.33 2.7302 -3 1 2 4 35.08 6.91 2.5580 2 2 2 4 35.16 15.07 2.5526 -3 1 4 4 35.19 43.08 2.5506 -2 4 2 4 35.32 15.20 2.5415 1 1 4 4 36.26 7.79 2.4774 3 1 0 4 36.62 1.14 2.4540 1 5 0 4 37.35 12.54 2.4077 -1 5 2 4 38.37 10.17 2.3459 -3 3 2 4 38.95 7.56 2.3123 -1 1 6 4 40.44 4.75 2.2303 -3 3 4 4 40.58 3.28 2.2229 1 3 4 4 40.79 5.10 2.2121 -2 2 6 4 41.14 15.78 2.1941 1 5 2 4 41.79 15.56 2.1617 0 6 0 2 42.81 9.41 2.1121 2 4 2 4 43.10 3.83 2.0987 -1 5 4 4 43.66 4.79 2.0730 -4 0 2 2 43.83 3.17 2.0654 -4 0 4 2 43.85 3.45 2.0647 -1 3 6 4 44.03 1.53 2.0566 2 0 4 2 44.19 6.26 2.0496 0 6 2 4 44.36 6.97 2.0420 3 1 2 4 45.96 3.67 1.9746 -4 2 2 4 46.12 9.68 1.9680 -4 2 4 4 46.31 7.96 1.9604 2 2 4 4 47.09 4.37 1.9300 -3 3 6 4 47.47 2.98 1.9153 -2 6 2 4 47.86 2.84 1.9006 -3 5 2 4 48.07 10.97 1.8929 4 0 0 2 48.54 6.47 1.8757 -4 0 6 2 48.82 5.86 1.8654 3 3 2 4 49.30 7.55 1.8484 1 1 6 4 49.61 4.20 1.8376 -3 5 4 4 49.73 4.15 1.8334 1 5 4 4 50.80 4.14 1.7974 -2 6 4 4 50.86 4.48 1.7954 0 6 4 4 50.98 8.52 1.7915 0 4 6 4 51.16 20.67 1.7854 -2 0 8 2 52.39 8.16 1.7466 -4 4 2 4 52.53 2.18 1.7420 -4 4 4 4 52.70 2.67 1.7367 2 4 4 4 53.21 1.30 1.7213 -2 2 8 4 55.28 1.26 1.6618 -5 1 4 4 55.40 7.00 1.6584 -3 5 6 4 55.50 1.40 1.6557 3 1 4 4 55.91 2.82 1.6446 -1 7 4 4 56.59 1.03 1.6264 -5 1 2 4 56.78 4.13 1.6213 0 8 0 2 56.95 6.50 1.6169 3 5 2 4 57.07 1.15 1.6137 -3 3 8 4 58.84 5.35 1.5695 -4 2 8 4 59.05 5.63 1.5644 0 2 8 4 59.13 1.85 1.5623 -5 3 4 4 59.35 2.38 1.5573 3 3 4 4 59.61 2.90 1.5510 2 2 6 4 60.77 3.01 1.5241 0 6 6 4 61.42 1.83 1.5096 -3 7 4 4 61.52 2.10 1.5073 1 7 4 4 61.66 6.85 1.5043 -5 3 6 4 62.03 5.13 1.4962 -4 6 2 4 62.15 1.02 1.4936 3 7 0 4 62.30 13.03 1.4903 2 8 0 4 63.99 1.28 1.4550 -1 7 6 4 64.16 2.50 1.4515 -5 1 8 4 64.47 2.09 1.4454 1 1 8 4 65.10 6.28 1.4329 2 4 6 4 65.29 1.70 1.4292 5 3 0 4 65.55 3.80 1.4241 4 6 0 4 65.93 1.20 1.4167 -4 6 6 4 65.99 1.53 1.4157 1 9 0 4 67.02 4.40 1.3964 -6 0 4 2 67.27 4.12 1.3919 4 0 4 2 67.93 1.10 1.3799 3 7 2 4 68.12 3.28 1.3766 -2 6 8 4 68.80 2.90 1.3646 -5 5 6 4 69.88 1.42 1.3460 -4 2 10 4 70.46 5.96 1.3364 -1 9 4 4 70.54 1.11 1.3351 -2 8 6 4 71.20 1.71 1.3244 -6 2 2 4 72.21 3.46 1.3083 -1 3 10 4 72.63 1.66 1.3018 -2 4 10 4 72.63 1.31 1.3017 -6 0 8 2 72.94 1.58 1.2970 0 10 0 2 73.01 1.75 1.2959 2 0 8 2 73.45 1.22 1.2892 5 3 2 4 74.39 6.07 1.2753 -4 8 4 4 74.53 5.60 1.2732 2 8 4 4 74.98 3.16 1.2666 -4 4 10 4 76.26 1.45 1.2486 -6 4 2 4 76.35 1.69 1.2473 -3 5 10 4 76.90 1.60 1.2397 -5 3 10 4 76.98 1.55 1.2387 6 2 0 4 79.93 1.11 1.2002 -2 8 8 4 80.08 1.02 1.1983 0 4 10 4 80.95 1.35 1.1876 -2 6 10 4 81.92 2.36 1.1760 6 4 0 4 84.63 2.38 1.1451 -4 8 8 4 84.82 2.19 1.1431 0 8 8 4 87.32 1.28 1.1166 4 4 6 4 87.83 1.04 1.1115 2 6 8 4 89.94 1.00 1.0908 3 9 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.