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, single Pb site _database_code_amcsd 0001957 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: 31.98160845 RIR: 2.507 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.48 1.15 6.5687 1 1 0 4 13.56 97.75 6.5315 0 2 0 2 13.66 31.67 6.4846 0 0 2 2 15.25 74.13 5.8105 -1 1 2 4 17.29 2.36 5.1277 -1 2 1 4 19.29 42.04 4.6018 0 2 2 4 21.47 2.67 4.1392 -2 0 2 2 22.55 22.59 3.9438 1 1 2 4 23.41 31.70 3.7997 2 0 0 2 23.55 19.76 3.7781 1 3 0 4 24.62 41.38 3.6155 -1 3 2 4 25.48 43.10 3.4962 -2 2 2 4 25.76 88.69 3.4581 -1 1 4 4 27.15 100.00 3.2844 2 2 0 4 27.31 2.55 3.2657 0 4 0 2 27.50 13.53 3.2438 -2 0 4 2 27.51 24.66 3.2423 0 0 4 2 29.40 1.62 3.0379 -1 4 1 4 29.79 58.97 2.9991 1 3 2 4 30.65 25.50 2.9167 0 4 2 4 30.78 1.16 2.9053 -2 2 4 4 31.98 1.51 2.7982 2 0 2 2 32.34 47.95 2.7681 -1 3 4 4 32.72 6.93 2.7372 -3 1 2 4 34.88 6.54 2.5721 2 2 2 4 35.00 37.17 2.5638 -2 4 2 4 35.08 28.68 2.5582 -3 1 4 4 35.10 26.41 2.5568 1 1 4 4 36.12 7.64 2.4868 3 1 0 4 36.27 8.93 2.4767 2 4 0 4 37.10 16.33 2.4235 -1 5 2 4 38.10 5.10 2.3619 -2 0 6 2 38.22 10.35 2.3547 -3 3 2 4 38.75 7.40 2.3237 -1 1 6 4 40.30 15.03 2.2379 -3 3 4 4 40.32 11.25 2.2369 1 3 4 4 40.34 1.05 2.2360 0 5 3 4 40.62 11.45 2.2211 -2 2 6 4 40.85 18.06 2.2090 1 5 2 4 41.23 1.22 2.1896 3 3 0 4 41.48 15.57 2.1772 0 6 0 2 41.79 3.06 2.1615 0 0 6 2 42.36 4.15 2.1335 -3 1 6 4 42.55 6.58 2.1249 2 4 2 4 42.83 10.86 2.1116 -1 5 4 4 43.54 7.36 2.0785 -4 0 2 2 43.60 3.64 2.0758 -1 3 6 4 43.74 1.92 2.0696 -4 0 4 2 43.77 2.72 2.0684 2 0 4 2 43.87 6.89 2.0639 0 6 2 4 44.13 7.37 2.0521 0 2 6 4 44.13 13.40 2.0520 3 1 2 4 45.81 8.61 1.9806 -4 2 2 4 46.00 5.06 1.9729 -4 2 4 4 46.03 7.93 1.9719 2 2 4 4 46.91 6.12 1.9368 -3 3 6 4 47.17 5.73 1.9269 -2 6 2 4 47.51 3.95 1.9138 -2 4 6 4 47.61 3.67 1.9100 -3 5 2 4 47.88 9.12 1.8999 4 0 0 2 48.17 1.98 1.8890 2 6 0 4 48.43 5.59 1.8797 -4 0 6 2 48.55 9.62 1.8752 3 3 2 4 48.99 3.44 1.8595 1 1 6 4 49.37 8.36 1.8460 -3 5 4 4 49.38 7.29 1.8455 1 5 4 4 50.00 1.89 1.8243 4 2 0 4 50.16 1.60 1.8186 3 5 0 4 50.49 1.15 1.8077 -2 6 4 4 50.49 3.14 1.8075 0 6 4 4 50.53 1.87 1.8064 -4 2 6 4 50.64 11.23 1.8025 0 4 6 4 50.92 2.45 1.7934 -1 7 2 4 50.93 14.47 1.7930 -2 0 8 2 52.16 9.54 1.7535 -4 4 2 4 52.96 4.54 1.7290 -2 2 8 4 53.90 1.71 1.7011 1 7 2 4 55.13 5.90 1.6659 -3 5 6 4 55.14 4.07 1.6655 -5 1 4 4 55.17 3.21 1.6647 3 1 4 4 55.51 5.34 1.6554 -1 7 4 4 56.00 2.10 1.6422 4 4 0 4 56.34 4.20 1.6329 0 8 0 2 56.60 7.81 1.6262 3 5 2 4 56.76 1.75 1.6219 -4 0 8 2 56.85 1.42 1.6197 -1 3 8 4 57.58 1.96 1.6008 -2 6 6 4 57.78 2.09 1.5957 -5 1 6 4 58.65 7.29 1.5741 -4 2 8 4 58.68 6.27 1.5734 0 2 8 4 58.75 1.44 1.5717 -2 4 8 4 58.95 3.68 1.5668 -5 3 4 4 58.98 2.94 1.5661 3 3 4 4 59.22 5.02 1.5603 2 2 6 4 60.34 4.32 1.5339 0 6 6 4 61.05 3.14 1.5178 -3 7 4 4 61.07 3.09 1.5175 1 7 4 4 61.48 6.28 1.5083 -5 3 6 4 61.70 5.57 1.5034 -4 6 2 4 61.84 10.30 1.5002 2 8 0 4 63.54 1.36 1.4641 -1 7 6 4 64.04 2.77 1.4540 1 1 8 4 64.11 1.91 1.4526 -4 4 8 4 64.13 1.47 1.4521 0 4 8 4 64.65 6.74 1.4418 2 4 6 4 64.99 2.07 1.4350 5 3 0 4 65.17 3.82 1.4315 4 6 0 4 65.62 1.69 1.4228 -4 6 6 4 65.78 1.11 1.4197 -3 1 10 4 66.84 2.64 1.3997 -6 0 4 2 66.87 3.12 1.3991 4 0 4 2 67.46 2.19 1.3884 3 7 2 4 67.70 3.90 1.3841 -2 6 8 4 68.53 3.14 1.3693 -5 5 6 4 69.24 1.23 1.3570 -3 3 10 4 69.62 1.42 1.3505 -4 2 10 4 69.69 1.96 1.3494 5 1 2 4 69.92 4.72 1.3454 -1 9 4 4 70.05 1.79 1.3431 -2 8 6 4 70.94 2.71 1.3286 -6 2 2 4 71.75 3.88 1.3155 -1 3 10 4 72.20 1.11 1.3084 -2 4 10 4 72.34 1.54 1.3063 0 10 0 2 72.46 1.70 1.3044 -6 0 8 2 72.51 1.44 1.3036 2 0 8 2 73.05 2.21 1.2952 5 3 2 4 73.21 1.87 1.2928 2 6 6 4 73.94 3.05 1.2819 -4 8 4 4 73.96 3.76 1.2816 2 8 4 4 74.65 2.28 1.2715 -4 4 10 4 75.93 2.26 1.2531 -3 5 10 4 75.94 2.13 1.2531 -6 4 2 4 76.63 1.98 1.2435 -5 3 10 4 76.63 1.58 1.2434 6 2 0 4 78.37 1.42 1.2202 -1 5 10 4 79.37 1.40 1.2073 -2 8 8 4 79.63 1.14 1.2040 5 5 2 4 80.63 1.47 1.1915 1 1 10 4 81.51 1.87 1.1809 6 4 0 4 81.89 1.02 1.1764 4 2 6 4 84.13 2.36 1.1507 -4 8 8 4 84.15 2.01 1.1505 0 8 8 4 86.70 1.79 1.1230 4 4 6 4 87.10 1.20 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.