Feldspar Tribaudino M, Benna P, Bruno E American Mineralogist 83 (1998) 159-166 Structural variations induced by thermal treatment in lead feldspar (PbAl2Si2O8) Sample: PbF_L16h, single Pb site _database_code_amcsd 0001955 CELL PARAMETERS: 8.3990 13.0610 14.3340 90.000 115.280 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1421.841 Density (g/cm3): 4.160 MAX. ABS. INTENSITY / VOLUME**2: 31.95308931 RIR: 2.501 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.49 1.21 6.5654 1 1 0 4 13.56 96.87 6.5305 0 2 0 2 13.66 31.10 6.4806 0 0 2 2 15.26 75.63 5.8068 -1 1 2 4 17.30 2.73 5.1257 -1 2 1 4 19.30 42.11 4.6000 0 2 2 4 21.48 2.73 4.1361 -2 0 2 2 22.56 22.85 3.9417 1 1 2 4 23.43 31.60 3.7973 2 0 0 2 23.55 19.89 3.7771 1 3 0 4 24.63 41.75 3.6143 -1 3 2 4 25.49 43.53 3.4942 -2 2 2 4 25.78 89.19 3.4558 -1 1 4 4 27.16 100.00 3.2827 2 2 0 4 27.31 2.61 3.2652 0 4 0 2 27.52 13.70 3.2414 -2 0 4 2 27.53 24.71 3.2403 0 0 4 2 29.41 1.82 3.0372 -1 4 1 4 29.80 59.88 2.9980 1 3 2 4 30.66 25.65 2.9160 0 4 2 4 30.80 1.14 2.9034 -2 2 4 4 31.73 1.05 2.8199 1 4 1 4 32.00 1.55 2.7965 2 0 2 2 32.36 48.20 2.7668 -1 3 4 4 32.74 7.26 2.7354 -3 1 2 4 34.90 6.55 2.5708 2 2 2 4 35.01 37.30 2.5629 -2 4 2 4 35.10 28.86 2.5564 -3 1 4 4 35.12 26.80 2.5553 1 1 4 4 36.14 7.72 2.4853 3 1 0 4 36.28 9.18 2.4758 2 4 0 4 37.11 16.44 2.4229 -1 5 2 4 38.13 5.32 2.3601 -2 0 6 2 38.24 10.29 2.3535 -3 3 2 4 38.78 7.23 2.3222 -1 1 6 4 40.33 15.25 2.2365 -3 3 4 4 40.34 11.42 2.2358 1 3 4 4 40.35 1.12 2.2354 0 5 3 4 40.65 11.62 2.2196 -2 2 6 4 40.86 17.81 2.2084 1 5 2 4 41.25 1.25 2.1885 3 3 0 4 41.48 15.96 2.1768 0 6 0 2 41.82 3.11 2.1602 0 0 6 2 42.40 4.27 2.1319 -3 1 6 4 42.56 6.59 2.1240 2 4 2 4 42.84 11.07 2.1109 -1 5 4 4 43.57 7.47 2.0770 -4 0 2 2 43.63 3.64 2.0747 -1 3 6 4 43.77 1.91 2.0681 -4 0 4 2 43.79 2.74 2.0672 2 0 4 2 43.87 6.89 2.0635 0 6 2 4 44.16 7.60 2.0509 0 2 6 4 44.16 13.75 2.0508 3 1 2 4 45.84 8.70 1.9793 -4 2 2 4 46.04 4.94 1.9716 -4 2 4 4 46.05 7.96 1.9708 2 2 4 4 46.94 6.15 1.9356 -3 3 6 4 47.18 5.76 1.9263 -2 6 2 4 47.54 4.09 1.9128 -2 4 6 4 47.63 3.57 1.9092 -3 5 2 4 47.91 9.00 1.8987 4 0 0 2 48.18 2.10 1.8885 2 6 0 4 48.47 5.67 1.8783 -4 0 6 2 48.58 9.60 1.8743 3 3 2 4 49.02 3.48 1.8584 1 1 6 4 49.39 8.32 1.8452 -3 5 4 4 49.40 7.35 1.8448 1 5 4 4 50.03 1.97 1.8232 4 2 0 4 50.18 1.58 1.8179 3 5 0 4 50.50 1.11 1.8071 -2 6 4 4 50.51 3.19 1.8069 0 6 4 4 50.56 1.93 1.8051 -4 2 6 4 50.67 11.23 1.8016 0 4 6 4 50.93 2.46 1.7931 -1 7 2 4 50.97 14.41 1.7917 -2 0 8 2 52.19 9.70 1.7525 -4 4 2 4 53.00 4.64 1.7279 -2 2 8 4 53.91 1.75 1.7007 1 7 2 4 55.16 5.96 1.6650 -3 5 6 4 55.19 4.16 1.6643 -5 1 4 4 55.21 3.22 1.6638 3 1 4 4 55.53 5.35 1.6550 -1 7 4 4 56.03 2.25 1.6413 4 4 0 4 56.35 4.19 1.6326 0 8 0 2 56.62 7.88 1.6255 3 5 2 4 56.81 1.75 1.6207 -4 0 8 2 56.83 1.01 1.6202 0 0 8 2 56.88 1.42 1.6187 -1 3 8 4 57.60 2.07 1.6001 -2 6 6 4 57.82 2.19 1.5946 -5 1 6 4 58.69 7.33 1.5730 -4 2 8 4 58.71 6.37 1.5725 0 2 8 4 58.78 1.54 1.5708 -2 4 8 4 58.99 3.78 1.5657 -5 3 4 4 59.01 3.00 1.5653 3 3 4 4 59.25 5.09 1.5594 2 2 6 4 60.37 4.33 1.5333 0 6 6 4 61.08 3.19 1.5172 -3 7 4 4 61.09 3.17 1.5170 1 7 4 4 61.53 6.36 1.5072 -5 3 6 4 61.73 5.65 1.5027 -4 6 2 4 61.86 10.28 1.4999 2 8 0 4 63.57 1.39 1.4636 -1 7 6 4 64.08 2.86 1.4531 1 1 8 4 64.15 1.99 1.4517 -4 4 8 4 64.17 1.54 1.4513 0 4 8 4 64.68 6.82 1.4410 2 4 6 4 65.03 2.09 1.4342 5 3 0 4 65.20 3.88 1.4309 4 6 0 4 65.65 1.73 1.4221 -4 6 6 4 65.83 1.20 1.4187 -3 1 10 4 66.19 1.04 1.4118 -5 5 4 4 66.89 2.60 1.3987 -6 0 4 2 66.92 3.08 1.3983 4 0 4 2 67.48 2.23 1.3879 3 7 2 4 67.73 3.97 1.3834 -2 6 8 4 68.57 3.14 1.3685 -5 5 6 4 69.29 1.28 1.3561 -3 3 10 4 69.67 1.45 1.3496 -4 2 10 4 69.73 2.08 1.3486 5 1 2 4 69.94 4.70 1.3451 -1 9 4 4 70.08 1.81 1.3427 -2 8 6 4 70.99 2.79 1.3277 -6 2 2 4 71.80 3.96 1.3147 -1 3 10 4 72.25 1.09 1.3076 -2 4 10 4 72.35 1.50 1.3061 0 10 0 2 72.52 1.69 1.3034 -6 0 8 2 72.56 1.42 1.3028 2 0 8 2 73.10 2.23 1.2945 5 3 2 4 73.25 1.89 1.2923 2 6 6 4 73.97 2.99 1.2814 -4 8 4 4 73.98 3.69 1.2812 2 8 4 4 74.71 2.25 1.2706 -4 4 10 4 75.98 2.34 1.2524 -3 5 10 4 75.99 2.14 1.2523 -6 4 2 4 76.69 1.59 1.2426 6 2 0 4 76.69 2.00 1.2426 -5 3 10 4 78.42 1.41 1.2195 -1 5 10 4 79.41 1.40 1.2068 -2 8 8 4 79.68 1.13 1.2034 5 5 2 4 80.69 1.52 1.1908 1 1 10 4 81.57 1.89 1.1802 6 4 0 4 81.94 1.09 1.1758 4 2 6 4 84.17 2.35 1.1502 -4 8 8 4 84.19 2.03 1.1500 0 8 8 4 86.76 1.79 1.1224 4 4 6 4 87.16 1.25 1.1183 -6 6 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.