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_H136h, single Pb site _database_code_amcsd 0001959 CELL PARAMETERS: 8.4180 13.0760 14.3650 90.000 115.280 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1429.780 Density (g/cm3): 4.137 MAX. ABS. INTENSITY / VOLUME**2: 31.14606731 RIR: 2.451 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.46 1.28 6.5784 1 1 0 4 13.54 98.90 6.5380 0 2 0 2 13.63 31.99 6.4946 0 0 2 2 15.23 74.20 5.8184 -1 1 2 4 19.26 42.80 4.6077 0 2 2 4 21.44 2.62 4.1454 -2 0 2 2 22.51 22.03 3.9500 1 1 2 4 23.37 31.83 3.8059 2 0 0 2 23.52 19.93 3.7824 1 3 0 4 24.59 41.55 3.6196 -1 3 2 4 25.44 42.92 3.5010 -2 2 2 4 25.73 88.88 3.4630 -1 1 4 4 27.11 100.00 3.2892 2 2 0 4 27.28 2.59 3.2690 0 4 0 2 27.46 14.16 3.2485 -2 0 4 2 27.47 24.33 3.2473 0 0 4 2 29.75 59.25 3.0031 1 3 2 4 30.62 25.85 2.9200 0 4 2 4 30.73 1.06 2.9092 -2 2 4 4 31.93 1.55 2.8028 2 0 2 2 32.30 47.69 2.7716 -1 3 4 4 32.67 6.67 2.7414 -3 1 2 4 34.83 6.55 2.5761 2 2 2 4 34.95 37.39 2.5669 -2 4 2 4 35.02 27.82 2.5620 -3 1 4 4 35.04 25.83 2.5608 1 1 4 4 36.06 7.59 2.4908 3 1 0 4 36.22 8.68 2.4798 2 4 0 4 37.06 16.33 2.4260 -1 5 2 4 38.04 4.91 2.3653 -2 0 6 2 38.17 10.14 2.3580 -3 3 2 4 38.69 7.25 2.3272 -1 1 6 4 40.24 14.56 2.2409 -3 3 4 4 40.26 11.03 2.2401 1 3 4 4 40.56 10.66 2.2242 -2 2 6 4 40.80 17.60 2.2116 1 5 2 4 41.17 1.16 2.1928 3 3 0 4 41.43 15.77 2.1793 0 6 0 2 41.72 2.77 2.1649 0 0 6 2 42.30 3.95 2.1366 -3 1 6 4 42.48 6.51 2.1278 2 4 2 4 42.77 10.57 2.1141 -1 5 4 4 43.47 7.01 2.0818 -4 0 2 2 43.54 3.62 2.0787 -1 3 6 4 43.67 1.90 2.0727 -4 0 4 2 43.69 2.58 2.0718 2 0 4 2 43.82 6.99 2.0661 0 6 2 4 44.06 12.60 2.0553 3 1 2 4 44.06 6.83 2.0551 0 2 6 4 45.74 8.04 1.9836 -4 2 2 4 45.93 5.02 1.9758 -4 2 4 4 45.95 7.52 1.9750 2 2 4 4 46.84 5.89 1.9395 -3 3 6 4 47.11 5.76 1.9290 -2 6 2 4 47.44 3.65 1.9163 -2 4 6 4 47.55 3.49 1.9124 -3 5 2 4 47.80 8.70 1.9030 4 0 0 2 48.11 1.91 1.8912 2 6 0 4 48.35 5.37 1.8824 -4 0 6 2 48.47 9.07 1.8781 3 3 2 4 48.91 3.49 1.8624 1 1 6 4 49.30 7.86 1.8483 -3 5 4 4 49.31 7.04 1.8479 1 5 4 4 49.91 1.66 1.8271 4 2 0 4 50.09 1.49 1.8210 3 5 0 4 50.42 1.17 1.8098 -2 6 4 4 50.43 3.06 1.8096 0 6 4 4 50.45 1.66 1.8090 -4 2 6 4 50.57 10.49 1.8050 0 4 6 4 50.85 13.91 1.7956 -2 0 8 2 50.86 2.36 1.7953 -1 7 2 4 52.08 9.06 1.7559 -4 4 2 4 52.88 4.11 1.7315 -2 2 8 4 53.83 1.63 1.7029 1 7 2 4 55.05 3.56 1.6681 -5 1 4 4 55.06 5.79 1.6680 -3 5 6 4 55.08 2.86 1.6674 3 1 4 4 55.44 5.18 1.6572 -1 7 4 4 55.91 1.88 1.6446 4 4 0 4 56.28 4.14 1.6345 0 8 0 2 56.51 7.44 1.6285 3 5 2 4 56.67 1.50 1.6243 -4 0 8 2 56.76 1.27 1.6220 -1 3 8 4 57.50 1.86 1.6027 -2 6 6 4 57.68 1.80 1.5981 -5 1 6 4 58.56 6.68 1.5763 -4 2 8 4 58.58 5.88 1.5758 0 2 8 4 58.66 1.27 1.5738 -2 4 8 4 58.86 3.37 1.5691 -5 3 4 4 58.88 2.71 1.5685 3 3 4 4 59.12 4.47 1.5628 2 2 6 4 60.26 4.06 1.5359 0 6 6 4 60.97 2.92 1.5195 -3 7 4 4 60.98 2.93 1.5193 1 7 4 4 61.38 5.89 1.5104 -5 3 6 4 61.61 5.35 1.5053 -4 6 2 4 61.77 10.09 1.5019 2 8 0 4 63.46 1.36 1.4659 -1 7 6 4 63.90 1.01 1.4569 -5 1 8 4 63.93 2.50 1.4563 1 1 8 4 64.01 1.65 1.4546 -4 4 8 4 64.03 1.30 1.4542 0 4 8 4 64.54 6.18 1.4439 2 4 6 4 64.88 1.88 1.4372 5 3 0 4 65.07 3.55 1.4334 4 6 0 4 65.52 1.56 1.4246 -4 6 6 4 66.72 2.50 1.4019 -6 0 4 2 66.75 2.87 1.4014 4 0 4 2 67.36 2.00 1.3902 3 7 2 4 67.60 3.63 1.3858 -2 6 8 4 68.42 2.87 1.3711 -5 5 6 4 69.12 1.01 1.3589 -3 3 10 4 69.50 1.28 1.3525 -4 2 10 4 69.55 1.66 1.3516 5 1 2 4 69.83 4.61 1.3468 -1 9 4 4 69.96 1.65 1.3447 -2 8 6 4 70.81 2.34 1.3306 -6 2 2 4 71.63 3.47 1.3174 -1 3 10 4 72.09 1.04 1.3102 -2 4 10 4 72.25 1.50 1.3076 0 10 0 2 72.34 1.49 1.3063 -6 0 8 2 72.38 1.29 1.3057 2 0 8 2 72.92 1.91 1.2973 5 3 2 4 73.09 1.67 1.2947 2 6 6 4 73.83 2.96 1.2834 -4 8 4 4 73.85 3.55 1.2832 2 8 4 4 74.53 2.12 1.2732 -4 4 10 4 75.80 1.80 1.2550 -6 4 2 4 75.81 2.04 1.2548 -3 5 10 4 76.49 1.38 1.2454 6 2 0 4 76.50 1.75 1.2452 -5 3 10 4 78.24 1.18 1.2219 -1 5 10 4 79.26 1.25 1.2087 -2 8 8 4 80.48 1.19 1.1934 1 1 10 4 81.36 1.68 1.1827 6 4 0 4 84.00 2.14 1.1521 -4 8 8 4 84.02 1.87 1.1519 0 8 8 4 86.53 1.51 1.1248 4 4 6 4 86.95 1.03 1.1204 -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.