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, single Pb site _database_code_amcsd 0001953 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: 32.88430237 RIR: 2.578 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.49 1.15 6.5660 1 1 0 4 13.54 97.06 6.5405 0 2 0 2 13.65 29.36 6.4852 0 0 2 2 15.25 78.99 5.8094 -1 1 2 4 17.29 3.90 5.1298 -1 2 1 4 19.27 40.08 4.6052 0 2 2 4 21.49 2.59 4.1345 -2 0 2 2 21.50 1.30 4.1330 0 3 1 4 22.55 23.77 3.9432 1 1 2 4 23.44 32.11 3.7958 2 0 0 2 23.53 18.88 3.7810 1 3 0 4 24.60 42.48 3.6183 -1 3 2 4 25.49 42.32 3.4948 -2 2 2 4 25.76 88.42 3.4582 -1 1 4 4 27.16 100.00 3.2830 2 2 0 4 27.27 2.76 3.2703 0 4 0 2 27.51 25.46 3.2426 0 0 4 2 27.51 11.92 3.2419 -2 0 4 2 29.09 1.39 3.0701 0 3 3 4 29.37 2.63 3.0411 -1 4 1 4 29.77 60.33 3.0006 1 3 2 4 30.62 25.01 2.9200 0 4 2 4 30.78 1.48 2.9047 -2 2 4 4 31.69 1.52 2.8231 1 4 1 4 32.00 1.62 2.7966 2 0 2 2 32.32 48.66 2.7695 -1 3 4 4 32.75 8.31 2.7343 -3 1 2 4 34.89 6.50 2.5714 2 2 2 4 34.98 36.97 2.5649 -2 4 2 4 35.10 27.25 2.5567 1 1 4 4 35.11 29.35 2.5560 -3 1 4 4 36.15 7.47 2.4845 3 1 0 4 36.26 9.51 2.4776 2 4 0 4 37.05 17.06 2.4261 -1 5 2 4 38.11 6.09 2.3613 -2 0 6 2 38.24 11.05 2.3537 -3 3 2 4 38.75 6.76 2.3239 -1 1 6 4 40.29 1.88 2.2383 0 5 3 4 40.31 11.84 2.2375 1 3 4 4 40.32 16.41 2.2371 -3 3 4 4 40.62 13.26 2.2210 -2 2 6 4 40.81 18.68 2.2109 1 5 2 4 41.25 1.14 2.1887 3 3 0 4 41.42 15.54 2.1802 0 6 0 2 41.79 3.61 2.1617 0 0 6 2 42.09 1.04 2.1468 -2 5 3 4 42.39 4.42 2.1324 -3 1 6 4 42.53 6.66 2.1254 2 4 2 4 42.79 11.92 2.1135 -1 5 4 4 42.90 1.44 2.1081 -1 6 1 4 43.59 3.46 2.0765 -1 3 6 4 43.60 7.91 2.0760 -4 0 2 2 43.78 2.98 2.0678 2 0 4 2 43.79 1.64 2.0673 -4 0 4 2 43.81 7.06 2.0665 0 6 2 4 44.12 8.75 2.0525 0 2 6 4 44.16 14.73 2.0506 3 1 2 4 44.61 1.50 2.0313 1 6 1 4 45.86 9.40 1.9787 -4 2 2 4 46.03 8.49 1.9716 2 2 4 4 46.05 4.42 1.9712 -4 2 4 4 46.92 6.04 1.9365 -3 3 6 4 47.13 6.08 1.9285 -2 6 2 4 47.49 4.99 1.9144 -2 4 6 4 47.60 4.00 1.9103 -3 5 2 4 47.93 9.79 1.8979 4 0 0 2 48.13 2.34 1.8905 2 6 0 4 48.47 6.43 1.8781 -4 0 6 2 48.57 10.71 1.8746 3 3 2 4 48.99 3.21 1.8595 1 1 6 4 49.35 7.79 1.8467 1 5 4 4 49.36 9.29 1.8464 -3 5 4 4 50.04 2.57 1.8227 4 2 0 4 50.15 1.57 1.8189 3 5 0 4 50.44 3.36 1.8093 0 6 4 4 50.56 2.66 1.8051 -4 2 6 4 50.62 12.32 1.8034 0 4 6 4 50.85 2.83 1.7956 -1 7 2 4 50.93 14.94 1.7929 -2 0 8 2 52.19 10.29 1.7527 -4 4 2 4 52.94 1.35 1.7297 -1 1 8 4 52.96 5.29 1.7291 -2 2 8 4 53.28 1.06 1.7194 2 6 2 4 53.41 1.40 1.7153 0 7 3 4 53.83 2.02 1.7029 1 7 2 4 54.87 1.12 1.6731 -2 7 3 4 55.12 5.85 1.6662 -3 5 6 4 55.20 3.68 1.6640 3 1 4 4 55.21 4.83 1.6636 -5 1 4 4 55.45 5.70 1.6572 -1 7 4 4 56.02 2.70 1.6415 4 4 0 4 56.26 4.46 1.6351 0 8 0 2 56.48 1.07 1.6293 -5 1 2 4 56.51 1.12 1.6286 -4 4 6 4 56.59 8.60 1.6264 3 5 2 4 56.78 1.21 1.6213 0 0 8 2 56.80 2.11 1.6210 -4 0 8 2 56.83 1.87 1.6201 -1 3 8 4 57.35 1.15 1.6066 2 0 6 2 57.45 1.32 1.6041 -1 8 1 4 57.54 2.50 1.6018 -2 6 6 4 57.84 2.66 1.5942 -5 1 6 4 58.67 6.84 1.5737 0 2 8 4 58.68 8.17 1.5734 -4 2 8 4 58.73 1.89 1.5721 -2 4 8 4 58.99 3.48 1.5657 3 3 4 4 59.01 4.77 1.5654 -5 3 4 4 59.22 5.86 1.5602 2 2 6 4 60.29 4.95 1.5351 0 6 6 4 61.01 3.55 1.5188 1 7 4 4 61.01 3.61 1.5187 -3 7 4 4 61.48 1.02 1.5082 5 1 0 4 61.53 6.62 1.5071 -5 3 6 4 61.70 6.11 1.5034 -4 6 2 4 61.78 10.58 1.5017 2 8 0 4 63.48 1.33 1.4654 -1 7 6 4 64.04 3.35 1.4540 1 1 8 4 64.11 1.77 1.4526 0 4 8 4 64.12 2.48 1.4523 -4 4 8 4 64.64 7.63 1.4420 2 4 6 4 65.05 2.32 1.4339 5 3 0 4 65.17 4.37 1.4315 4 6 0 4 65.61 2.03 1.4229 -4 6 6 4 65.79 1.81 1.4195 -3 1 10 4 66.17 1.01 1.4122 3 5 4 4 66.18 1.56 1.4120 -5 5 4 4 66.92 3.39 1.3983 4 0 4 2 66.93 2.60 1.3980 -6 0 4 2 67.42 2.57 1.3890 3 7 2 4 67.66 4.32 1.3848 -2 6 8 4 68.56 3.42 1.3688 -5 5 6 4 69.24 1.74 1.3570 -3 3 10 4 69.64 1.48 1.3501 -4 2 10 4 69.75 2.60 1.3483 5 1 2 4 69.83 4.99 1.3470 -1 9 4 4 69.99 2.13 1.3443 -2 8 6 4 71.02 3.30 1.3272 -6 2 2 4 71.74 4.59 1.3157 -1 3 10 4 72.19 1.07 1.3087 -2 4 10 4 72.22 1.65 1.3081 0 10 0 2 72.52 1.57 1.3035 2 0 8 2 72.54 2.03 1.3031 -6 0 8 2 73.11 2.69 1.2944 5 3 2 4 73.18 2.37 1.2933 2 6 6 4 73.89 3.81 1.2826 2 8 4 4 73.90 2.75 1.2825 -4 8 4 4 74.20 1.02 1.2780 -6 2 8 4 74.66 2.39 1.2713 -4 4 10 4 74.79 1.09 1.2694 -3 9 4 4 75.91 2.77 1.2534 -3 5 10 4 76.01 2.52 1.2521 -6 4 2 4 76.28 1.17 1.2482 -5 7 4 4 76.66 2.45 1.2430 -5 3 10 4 76.72 1.93 1.2422 6 2 0 4 77.12 1.08 1.2367 2 10 0 4 78.33 1.84 1.2206 -1 5 10 4 79.11 1.03 1.2106 -6 4 8 4 79.30 1.68 1.2081 -2 8 8 4 79.66 1.43 1.2035 5 5 2 4 80.63 1.98 1.1916 1 1 10 4 81.58 2.24 1.1800 6 4 0 4 81.84 1.06 1.1770 4 6 4 4 81.92 1.44 1.1760 4 2 6 4 83.81 1.05 1.1543 3 1 8 4 84.07 2.20 1.1513 0 8 8 4 84.09 2.64 1.1512 -4 8 8 4 86.66 1.09 1.1234 -6 4 10 4 86.72 2.18 1.1228 4 4 6 4 87.11 1.01 1.1188 2 6 8 4 87.14 1.62 1.1185 -6 6 8 4 89.14 1.00 1.0985 3 9 4 4 89.27 1.04 1.0972 5 7 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.