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_L1h, split Pb site _database_code_amcsd 0001954 CELL PARAMETERS: 8.3950 13.0810 14.3430 90.000 115.270 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1424.352 Density (g/cm3): 4.153 MAX. ABS. INTENSITY / VOLUME**2: 32.13244929 RIR: 2.519 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.49 1.32 6.5660 1 1 0 4 13.54 98.71 6.5405 0 2 0 2 13.65 30.37 6.4852 0 0 2 2 15.25 77.85 5.8094 -1 1 2 4 17.29 2.89 5.1298 -1 2 1 4 19.27 41.14 4.6052 0 2 2 4 21.49 2.64 4.1345 -2 0 2 2 22.55 23.44 3.9432 1 1 2 4 23.44 31.89 3.7958 2 0 0 2 23.53 19.54 3.7810 1 3 0 4 24.60 41.90 3.6183 -1 3 2 4 25.49 43.01 3.4948 -2 2 2 4 25.76 88.56 3.4582 -1 1 4 4 27.16 100.00 3.2830 2 2 0 4 27.27 2.65 3.2703 0 4 0 2 27.51 25.27 3.2426 0 0 4 2 27.51 12.87 3.2419 -2 0 4 2 29.37 1.80 3.0411 -1 4 1 4 29.77 60.33 3.0006 1 3 2 4 30.62 25.34 2.9200 0 4 2 4 30.78 1.25 2.9047 -2 2 4 4 31.69 1.03 2.8231 1 4 1 4 32.00 1.57 2.7966 2 0 2 2 32.32 48.38 2.7695 -1 3 4 4 32.75 7.70 2.7343 -3 1 2 4 34.89 6.40 2.5714 2 2 2 4 34.98 37.27 2.5649 -2 4 2 4 35.10 26.87 2.5567 1 1 4 4 35.11 28.34 2.5560 -3 1 4 4 36.15 7.61 2.4845 3 1 0 4 36.26 9.07 2.4776 2 4 0 4 37.05 16.67 2.4261 -1 5 2 4 38.11 5.64 2.3613 -2 0 6 2 38.24 10.53 2.3537 -3 3 2 4 38.75 6.91 2.3239 -1 1 6 4 40.29 1.33 2.2383 0 5 3 4 40.31 11.47 2.2375 1 3 4 4 40.32 15.64 2.2371 -3 3 4 4 40.62 12.41 2.2210 -2 2 6 4 40.81 18.37 2.2109 1 5 2 4 41.25 1.13 2.1887 3 3 0 4 41.42 15.43 2.1802 0 6 0 2 41.79 3.32 2.1617 0 0 6 2 42.39 4.31 2.1324 -3 1 6 4 42.53 6.59 2.1254 2 4 2 4 42.79 11.52 2.1135 -1 5 4 4 43.59 3.50 2.0765 -1 3 6 4 43.60 7.65 2.0760 -4 0 2 2 43.78 2.87 2.0678 2 0 4 2 43.79 1.73 2.0673 -4 0 4 2 43.81 7.01 2.0665 0 6 2 4 44.12 8.16 2.0525 0 2 6 4 44.16 14.16 2.0506 3 1 2 4 44.61 1.09 2.0313 1 6 1 4 45.86 8.96 1.9787 -4 2 2 4 46.03 8.27 1.9716 2 2 4 4 46.05 4.61 1.9712 -4 2 4 4 46.92 5.92 1.9365 -3 3 6 4 47.13 5.93 1.9285 -2 6 2 4 47.49 4.52 1.9144 -2 4 6 4 47.60 3.74 1.9103 -3 5 2 4 47.93 9.46 1.8979 4 0 0 2 48.13 2.10 1.8905 2 6 0 4 48.47 6.08 1.8781 -4 0 6 2 48.57 10.23 1.8746 3 3 2 4 48.99 3.28 1.8595 1 1 6 4 49.35 7.48 1.8467 1 5 4 4 49.36 8.77 1.8464 -3 5 4 4 50.04 2.25 1.8227 4 2 0 4 50.15 1.55 1.8189 3 5 0 4 50.44 3.26 1.8093 0 6 4 4 50.56 2.31 1.8051 -4 2 6 4 50.62 11.77 1.8034 0 4 6 4 50.85 2.64 1.7956 -1 7 2 4 50.93 14.62 1.7929 -2 0 8 2 52.19 9.89 1.7527 -4 4 2 4 52.94 1.18 1.7297 -1 1 8 4 52.96 4.88 1.7291 -2 2 8 4 53.28 1.01 1.7194 2 6 2 4 53.41 1.01 1.7153 0 7 3 4 53.83 1.85 1.7029 1 7 2 4 55.12 5.71 1.6662 -3 5 6 4 55.20 3.43 1.6640 3 1 4 4 55.21 4.34 1.6636 -5 1 4 4 55.45 5.40 1.6572 -1 7 4 4 56.02 2.41 1.6415 4 4 0 4 56.26 4.32 1.6351 0 8 0 2 56.59 8.21 1.6264 3 5 2 4 56.78 1.09 1.6213 0 0 8 2 56.80 1.87 1.6210 -4 0 8 2 56.83 1.71 1.6201 -1 3 8 4 57.54 2.24 1.6018 -2 6 6 4 57.84 2.39 1.5942 -5 1 6 4 58.67 6.53 1.5737 0 2 8 4 58.68 7.59 1.5734 -4 2 8 4 58.73 1.65 1.5721 -2 4 8 4 58.99 3.25 1.5657 3 3 4 4 59.01 4.33 1.5654 -5 3 4 4 59.22 5.45 1.5602 2 2 6 4 60.29 4.63 1.5351 0 6 6 4 61.01 3.34 1.5188 1 7 4 4 61.01 3.32 1.5187 -3 7 4 4 61.53 6.27 1.5071 -5 3 6 4 61.70 5.82 1.5034 -4 6 2 4 61.78 10.28 1.5017 2 8 0 4 63.48 1.29 1.4654 -1 7 6 4 64.04 3.13 1.4540 1 1 8 4 64.11 1.59 1.4526 0 4 8 4 64.12 2.16 1.4523 -4 4 8 4 64.64 7.24 1.4420 2 4 6 4 65.05 2.19 1.4339 5 3 0 4 65.17 4.10 1.4315 4 6 0 4 65.61 1.84 1.4229 -4 6 6 4 65.79 1.55 1.4195 -3 1 10 4 66.18 1.33 1.4120 -5 5 4 4 66.92 3.26 1.3983 4 0 4 2 66.93 2.54 1.3980 -6 0 4 2 67.42 2.36 1.3890 3 7 2 4 67.66 4.04 1.3848 -2 6 8 4 68.56 3.18 1.3688 -5 5 6 4 69.24 1.50 1.3570 -3 3 10 4 69.64 1.37 1.3501 -4 2 10 4 69.75 2.33 1.3483 5 1 2 4 69.83 4.76 1.3470 -1 9 4 4 69.99 1.95 1.3443 -2 8 6 4 71.02 2.99 1.3272 -6 2 2 4 71.74 4.25 1.3157 -1 3 10 4 72.19 1.04 1.3087 -2 4 10 4 72.22 1.56 1.3081 0 10 0 2 72.52 1.50 1.3035 2 0 8 2 72.54 1.84 1.3031 -6 0 8 2 73.11 2.43 1.2944 5 3 2 4 73.18 2.16 1.2933 2 6 6 4 73.89 3.72 1.2826 2 8 4 4 73.90 2.78 1.2825 -4 8 4 4 74.66 2.26 1.2713 -4 4 10 4 75.91 2.53 1.2534 -3 5 10 4 76.01 2.27 1.2521 -6 4 2 4 76.28 1.01 1.2482 -5 7 4 4 76.66 2.25 1.2430 -5 3 10 4 76.72 1.80 1.2422 6 2 0 4 78.33 1.64 1.2206 -1 5 10 4 79.30 1.51 1.2081 -2 8 8 4 79.66 1.26 1.2035 5 5 2 4 80.63 1.78 1.1916 1 1 10 4 81.58 2.11 1.1800 6 4 0 4 81.92 1.27 1.1760 4 2 6 4 84.07 2.07 1.1513 0 8 8 4 84.09 2.42 1.1512 -4 8 8 4 86.72 2.00 1.1228 4 4 6 4 87.14 1.44 1.1185 -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.