Feldspar Benna P, Tribaudino M, Bruno E American Mineralogist 81 (1996) 1337-1343 The structure of ordered and disordered lead feldspar (PbAl2Si2O8) Sample: disordered _database_code_amcsd 0001839 CELL PARAMETERS: 8.4280 13.0540 7.1740 90.000 115.320 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 713.454 Density (g/cm3): 4.145 MAX. ABS. INTENSITY / VOLUME**2: 30.09516050 RIR: 2.364 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.46 2.17 6.5798 1 1 0 4 13.57 92.47 6.5270 0 2 0 2 13.66 34.93 6.4848 0 0 1 2 15.23 67.87 5.8159 -1 1 1 4 19.29 43.58 4.6003 0 2 1 4 21.41 3.85 4.1497 -2 0 1 2 22.53 22.84 3.9470 1 1 1 4 23.35 34.23 3.8092 2 0 0 2 23.55 20.82 3.7784 1 3 0 4 24.62 36.25 3.6153 -1 3 1 4 25.43 45.88 3.5019 -2 2 1 4 25.76 94.29 3.4588 -1 1 2 4 27.10 100.00 3.2899 2 2 0 4 27.33 1.01 3.2635 0 4 0 2 27.46 17.41 3.2481 -2 0 2 2 27.51 23.22 3.2424 0 0 2 2 29.78 55.71 2.9996 1 3 1 4 30.67 22.66 2.9152 0 4 1 4 31.93 1.49 2.8025 2 0 1 2 32.35 44.52 2.7678 -1 3 2 4 32.63 5.20 2.7444 -3 1 1 4 34.84 6.32 2.5751 2 2 1 4 34.98 34.19 2.5652 -2 4 1 4 35.00 29.68 2.5635 -3 1 2 4 35.08 28.18 2.5579 1 1 2 4 36.03 9.64 2.4927 3 1 0 4 36.25 5.77 2.4783 2 4 0 4 37.11 11.75 2.4225 -1 5 1 4 38.08 4.74 2.3632 -2 0 3 2 38.15 8.38 2.3588 -3 3 1 4 38.75 9.07 2.3239 -1 1 3 4 40.24 13.09 2.2410 -3 3 2 4 40.31 10.85 2.2372 1 3 2 4 40.60 9.43 2.2221 -2 2 3 4 40.86 13.20 2.2085 1 5 1 4 41.16 1.57 2.1933 3 3 0 4 41.51 10.87 2.1757 0 6 0 2 41.79 3.04 2.1616 0 0 3 2 42.31 5.33 2.1362 -3 1 3 4 42.52 5.61 2.1261 2 4 1 4 42.84 6.72 2.1109 -1 5 2 4 43.42 7.96 2.0842 -4 0 1 2 43.61 3.98 2.0756 -1 3 3 4 43.62 2.77 2.0749 -4 0 2 2 43.72 2.92 2.0704 2 0 2 2 43.89 4.35 2.0627 0 6 1 4 44.05 13.69 2.0556 3 1 1 4 44.13 6.79 2.0520 0 2 3 4 45.70 9.05 1.9855 -4 2 1 4 45.89 6.73 1.9774 -4 2 2 4 45.99 7.94 1.9735 2 2 2 4 46.86 6.89 1.9386 -3 3 3 4 47.17 3.26 1.9269 -2 6 1 4 47.50 2.47 1.9141 -2 4 3 4 47.56 2.33 1.9117 -3 5 1 4 47.75 9.16 1.9046 4 0 0 2 48.33 4.64 1.8833 -4 0 3 2 48.48 8.97 1.8778 3 3 1 4 48.97 3.98 1.8600 1 1 3 4 49.33 5.30 1.8474 -3 5 2 4 49.39 5.03 1.8453 1 5 2 4 49.88 1.56 1.8283 4 2 0 4 50.11 1.35 1.8204 3 5 0 4 50.43 1.13 1.8095 -4 2 3 4 50.49 1.42 1.8076 -2 6 2 4 50.52 2.29 1.8066 0 6 2 4 50.65 8.97 1.8021 0 4 3 4 50.92 15.21 1.7935 -2 0 4 2 52.06 8.54 1.7566 -4 4 1 4 52.95 4.56 1.7294 -2 2 4 4 54.99 3.70 1.6699 -5 1 2 4 55.10 3.24 1.6668 3 1 2 4 55.10 5.24 1.6667 -3 5 3 4 55.54 2.38 1.6546 -1 7 2 4 55.89 1.32 1.6449 4 4 0 4 56.39 1.72 1.6317 0 8 0 2 56.54 6.23 1.6276 3 5 1 4 56.68 1.75 1.6241 -4 0 4 2 56.79 1.21 1.6212 0 0 4 2 57.63 2.45 1.5994 -5 1 3 4 58.57 7.16 1.5760 -4 2 4 4 58.68 6.70 1.5734 0 2 4 4 58.74 1.08 1.5718 -2 4 4 4 58.80 2.96 1.5703 -5 3 2 4 58.91 2.60 1.5677 3 3 2 4 59.18 4.86 1.5612 2 2 3 4 60.36 2.50 1.5334 0 6 3 4 61.03 1.17 1.5182 -3 7 2 4 61.08 1.24 1.5170 1 7 2 4 61.25 1.22 1.5134 5 1 0 4 61.35 6.38 1.5112 -5 3 3 4 61.62 3.77 1.5051 -4 6 1 4 61.86 5.91 1.4999 2 8 0 4 63.87 1.74 1.4574 -5 1 4 4 64.02 2.60 1.4543 1 1 4 4 64.04 1.36 1.4540 -4 4 4 4 64.14 1.22 1.4519 0 4 4 4 64.62 5.73 1.4423 2 4 3 4 64.83 2.19 1.4381 5 3 0 4 65.09 2.35 1.4331 4 6 0 4 66.63 3.18 1.4035 -6 0 2 2 66.76 3.33 1.4012 4 0 2 2 67.71 2.60 1.3839 -2 6 4 4 68.41 2.69 1.3713 -5 5 3 4 69.52 1.99 1.3521 5 1 1 4 69.55 1.80 1.3516 -4 2 5 4 69.96 1.89 1.3447 -1 9 2 4 70.73 2.69 1.3320 -6 2 1 4 71.76 3.45 1.3154 -1 3 5 4 72.20 1.23 1.3084 -2 4 5 4 72.28 1.65 1.3072 -6 0 4 2 72.47 1.52 1.3042 2 0 4 2 72.90 2.17 1.2976 5 3 1 4 73.20 1.08 1.2931 2 6 3 4 73.89 2.58 1.2826 -4 8 2 4 73.96 2.68 1.2816 2 8 2 4 74.59 2.34 1.2723 -4 4 5 4 75.74 1.79 1.2558 -6 4 1 4 75.92 1.61 1.2534 -3 5 5 4 76.42 1.31 1.2464 6 2 0 4 76.52 1.39 1.2449 -5 3 5 4 80.62 1.37 1.1917 1 1 5 4 81.31 1.40 1.1833 6 4 0 4 81.77 1.05 1.1778 4 2 3 4 84.09 1.23 1.1511 -4 8 4 4 84.18 1.14 1.1501 0 8 4 4 86.60 1.55 1.1241 4 4 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.