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_L64h, split Pb site _database_code_amcsd 0001958 CELL PARAMETERS: 8.4050 13.0630 14.3440 90.000 115.290 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1423.950 Density (g/cm3): 4.154 MAX. ABS. INTENSITY / VOLUME**2: 31.51574093 RIR: 2.470 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.48 1.31 6.5687 1 1 0 4 13.56 98.42 6.5315 0 2 0 2 13.66 32.82 6.4846 0 0 2 2 15.25 72.37 5.8105 -1 1 2 4 17.29 1.31 5.1277 -1 2 1 4 19.29 43.09 4.6018 0 2 2 4 21.47 2.82 4.1392 -2 0 2 2 22.55 22.36 3.9438 1 1 2 4 23.41 31.67 3.7997 2 0 0 2 23.55 20.26 3.7781 1 3 0 4 24.62 40.36 3.6155 -1 3 2 4 25.48 43.94 3.4962 -2 2 2 4 25.76 89.01 3.4581 -1 1 4 4 27.15 100.00 3.2844 2 2 0 4 27.31 2.37 3.2657 0 4 0 2 27.50 14.55 3.2438 -2 0 4 2 27.51 24.23 3.2423 0 0 4 2 29.79 58.69 2.9991 1 3 2 4 30.65 25.67 2.9167 0 4 2 4 31.98 1.50 2.7982 2 0 2 2 32.34 47.64 2.7681 -1 3 4 4 32.72 6.43 2.7372 -3 1 2 4 34.88 6.51 2.5721 2 2 2 4 35.00 37.34 2.5638 -2 4 2 4 35.08 28.13 2.5582 -3 1 4 4 35.10 26.45 2.5568 1 1 4 4 36.12 7.89 2.4868 3 1 0 4 36.27 8.52 2.4767 2 4 0 4 37.10 15.70 2.4235 -1 5 2 4 38.10 4.78 2.3619 -2 0 6 2 38.22 9.86 2.3547 -3 3 2 4 38.75 7.74 2.3237 -1 1 6 4 40.30 14.52 2.2379 -3 3 4 4 40.32 11.08 2.2369 1 3 4 4 40.62 10.81 2.2211 -2 2 6 4 40.85 17.58 2.2090 1 5 2 4 41.23 1.26 2.1896 3 3 0 4 41.48 15.18 2.1772 0 6 0 2 41.79 2.90 2.1615 0 0 6 2 42.36 4.26 2.1335 -3 1 6 4 42.55 6.53 2.1249 2 4 2 4 42.83 10.42 2.1116 -1 5 4 4 43.54 7.35 2.0785 -4 0 2 2 43.60 3.77 2.0758 -1 3 6 4 43.74 2.06 2.0696 -4 0 4 2 43.77 2.67 2.0684 2 0 4 2 43.87 6.74 2.0639 0 6 2 4 44.13 7.04 2.0521 0 2 6 4 44.13 13.30 2.0520 3 1 2 4 45.81 8.52 1.9806 -4 2 2 4 46.00 5.36 1.9729 -4 2 4 4 46.03 7.83 1.9719 2 2 4 4 46.91 6.18 1.9368 -3 3 6 4 47.17 5.53 1.9269 -2 6 2 4 47.51 3.59 1.9138 -2 4 6 4 47.61 3.41 1.9100 -3 5 2 4 47.88 9.01 1.8999 4 0 0 2 48.17 1.74 1.8890 2 6 0 4 48.43 5.35 1.8797 -4 0 6 2 48.55 9.45 1.8752 3 3 2 4 48.99 3.56 1.8595 1 1 6 4 49.37 7.92 1.8460 -3 5 4 4 49.38 7.04 1.8455 1 5 4 4 50.00 1.76 1.8243 4 2 0 4 50.16 1.60 1.8186 3 5 0 4 50.49 1.26 1.8077 -2 6 4 4 50.49 3.00 1.8075 0 6 4 4 50.53 1.65 1.8064 -4 2 6 4 50.64 10.84 1.8025 0 4 6 4 50.92 2.19 1.7934 -1 7 2 4 50.93 14.42 1.7930 -2 0 8 2 52.16 9.38 1.7535 -4 4 2 4 52.96 4.39 1.7290 -2 2 8 4 53.90 1.50 1.7011 1 7 2 4 55.13 5.85 1.6659 -3 5 6 4 55.14 3.87 1.6655 -5 1 4 4 55.17 3.16 1.6647 3 1 4 4 55.51 4.97 1.6554 -1 7 4 4 56.00 1.96 1.6422 4 4 0 4 56.34 3.94 1.6329 0 8 0 2 56.60 7.58 1.6262 3 5 2 4 56.76 1.66 1.6219 -4 0 8 2 56.85 1.31 1.6197 -1 3 8 4 57.58 1.73 1.6008 -2 6 6 4 57.78 2.04 1.5957 -5 1 6 4 58.65 7.07 1.5741 -4 2 8 4 58.68 6.22 1.5734 0 2 8 4 58.75 1.33 1.5717 -2 4 8 4 58.95 3.49 1.5668 -5 3 4 4 58.98 2.87 1.5661 3 3 4 4 59.22 4.92 1.5603 2 2 6 4 60.34 4.05 1.5339 0 6 6 4 61.05 2.85 1.5178 -3 7 4 4 61.07 2.88 1.5175 1 7 4 4 61.48 6.20 1.5083 -5 3 6 4 61.70 5.37 1.5034 -4 6 2 4 61.84 9.82 1.5002 2 8 0 4 63.54 1.33 1.4641 -1 7 6 4 64.00 1.05 1.4548 -5 1 8 4 64.04 2.72 1.4540 1 1 8 4 64.11 1.76 1.4526 -4 4 8 4 64.13 1.41 1.4521 0 4 8 4 64.65 6.60 1.4418 2 4 6 4 64.99 2.07 1.4350 5 3 0 4 65.17 3.63 1.4315 4 6 0 4 65.62 1.55 1.4228 -4 6 6 4 65.78 1.02 1.4197 -3 1 10 4 66.84 2.68 1.3997 -6 0 4 2 66.87 3.14 1.3991 4 0 4 2 67.46 2.03 1.3884 3 7 2 4 67.70 3.71 1.3841 -2 6 8 4 68.53 3.04 1.3693 -5 5 6 4 69.24 1.14 1.3570 -3 3 10 4 69.62 1.41 1.3505 -4 2 10 4 69.69 1.94 1.3494 5 1 2 4 69.92 4.38 1.3454 -1 9 4 4 70.05 1.60 1.3431 -2 8 6 4 70.94 2.67 1.3286 -6 2 2 4 71.75 3.78 1.3155 -1 3 10 4 72.20 1.12 1.3084 -2 4 10 4 72.34 1.38 1.3063 0 10 0 2 72.46 1.66 1.3044 -6 0 8 2 72.51 1.44 1.3036 2 0 8 2 73.05 2.18 1.2952 5 3 2 4 73.21 1.76 1.2928 2 6 6 4 73.94 3.08 1.2819 -4 8 4 4 73.96 3.66 1.2816 2 8 4 4 74.65 2.26 1.2715 -4 4 10 4 75.93 2.15 1.2531 -3 5 10 4 75.94 2.07 1.2531 -6 4 2 4 76.63 1.91 1.2435 -5 3 10 4 76.63 1.56 1.2434 6 2 0 4 78.37 1.34 1.2202 -1 5 10 4 79.37 1.26 1.2073 -2 8 8 4 79.63 1.09 1.2040 5 5 2 4 80.63 1.46 1.1915 1 1 10 4 81.51 1.85 1.1809 6 4 0 4 81.89 1.02 1.1764 4 2 6 4 84.13 2.20 1.1507 -4 8 8 4 84.15 1.90 1.1505 0 8 8 4 86.70 1.78 1.1230 4 4 6 4 87.10 1.13 1.1189 -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.