Feldspar Benna P, Tribaudino M, Bruno E American Mineralogist 81 (1996) 1337-1343 The structure of ordered and disordered lead feldspar (PbAl2Si2O8) Sample: ordered _database_code_amcsd 0001840 CELL PARAMETERS: 8.3880 13.0670 14.3270 90.000 115.190 90.000 SPACE GROUP: I2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1420.989 Density (g/cm3): 3.194 MAX. ABS. INTENSITY / VOLUME**2: 13.11199000 RIR: 1.337 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.55 30.87 6.5335 0 2 0 2 13.66 5.64 6.4823 0 0 2 2 15.27 28.67 5.8015 -1 1 2 4 17.31 3.74 5.1243 -1 2 1 4 19.29 17.37 4.6017 0 2 2 4 21.52 4.78 4.1301 -2 0 2 2 21.52 1.51 4.1289 0 3 1 4 23.26 1.17 3.8242 -1 2 3 4 23.44 14.38 3.7952 2 0 0 2 23.55 35.37 3.7778 1 3 0 4 24.63 29.94 3.6140 -1 3 2 4 25.52 23.70 3.4910 -2 2 2 4 25.79 69.44 3.4543 -1 1 4 4 27.17 100.00 3.2817 2 2 0 4 27.30 2.67 3.2668 0 4 0 2 27.52 48.55 3.2411 0 0 4 2 27.55 30.16 3.2373 -2 0 4 2 29.40 1.72 3.0378 -1 4 1 4 29.79 58.93 2.9993 1 3 2 4 30.65 23.01 2.9172 0 4 2 4 30.83 4.17 2.9007 -2 2 4 4 32.36 40.40 2.7665 -1 3 4 4 32.78 5.35 2.7321 -3 1 2 4 34.89 6.03 2.5712 2 2 2 4 35.02 39.61 2.5622 -2 4 2 4 35.10 19.03 2.5565 1 1 4 4 35.16 19.20 2.5527 -3 1 4 4 36.16 7.45 2.4840 3 1 0 4 36.28 1.24 2.4759 2 4 0 4 37.10 15.30 2.4234 -1 5 2 4 38.16 3.55 2.3583 -2 0 6 2 38.27 12.32 2.3517 -3 3 2 4 38.78 4.78 2.3218 -1 1 6 4 40.32 5.31 2.2368 1 3 4 4 40.33 1.43 2.2363 0 5 3 4 40.37 9.31 2.2343 -3 3 4 4 40.67 9.98 2.2182 -2 2 6 4 40.84 16.44 2.2093 1 5 2 4 41.46 16.60 2.1778 0 6 0 2 42.55 8.84 2.1246 2 4 2 4 42.84 6.31 2.1112 -1 5 4 4 43.63 6.10 2.0747 -4 0 2 2 43.63 2.00 2.0746 -1 3 6 4 43.77 2.89 2.0680 2 0 4 2 43.84 2.07 2.0650 -4 0 4 2 43.85 6.28 2.0644 0 6 2 4 44.15 3.82 2.0515 0 2 6 4 44.16 10.67 2.0508 3 1 2 4 44.65 1.25 2.0295 1 6 1 4 45.89 5.30 1.9774 -4 2 2 4 46.03 11.06 1.9716 2 2 4 4 46.10 6.73 1.9690 -4 2 4 4 46.99 3.97 1.9338 -3 3 6 4 47.18 3.85 1.9264 -2 6 2 4 47.55 2.43 1.9121 -2 4 6 4 47.65 3.94 1.9086 -3 5 2 4 47.94 11.57 1.8976 4 0 0 2 48.54 9.14 1.8755 -4 0 6 2 48.57 7.82 1.8744 3 3 2 4 48.99 4.95 1.8592 1 1 6 4 49.38 5.23 1.8456 1 5 4 4 49.42 6.34 1.8442 -3 5 4 4 50.19 1.19 1.8178 3 5 0 4 50.49 5.85 1.8077 0 6 4 4 50.51 2.09 1.8070 -2 6 4 4 50.64 1.61 1.8027 -4 2 6 4 50.65 12.35 1.8022 0 4 6 4 50.91 1.41 1.7937 -1 7 2 4 50.99 21.36 1.7909 -2 0 8 2 52.23 9.63 1.7514 -4 4 2 4 52.42 2.61 1.7455 -4 4 4 4 52.98 1.17 1.7283 -1 1 8 4 53.02 2.49 1.7272 -2 2 8 4 53.47 1.12 1.7137 0 7 3 4 55.19 2.20 1.6642 3 1 4 4 55.20 6.26 1.6641 -3 5 6 4 55.27 2.94 1.6621 -5 1 4 4 55.51 3.96 1.6554 -1 7 4 4 56.05 1.09 1.6408 4 4 0 4 56.33 4.77 1.6334 0 8 0 2 56.51 1.58 1.6285 -5 1 2 4 56.61 8.45 1.6258 3 5 2 4 56.88 2.37 1.6187 -1 3 8 4 57.52 1.14 1.6023 -1 8 1 4 57.61 1.40 1.6000 -2 6 6 4 58.70 7.16 1.5729 0 2 8 4 58.77 7.94 1.5711 -4 2 8 4 58.99 2.53 1.5657 3 3 4 4 59.07 3.60 1.5640 -5 3 4 4 59.23 4.68 1.5601 2 2 6 4 60.34 4.52 1.5339 0 6 6 4 61.05 2.76 1.5177 1 7 4 4 61.09 2.46 1.5169 -3 7 4 4 61.61 7.61 1.5053 -5 3 6 4 61.75 6.61 1.5022 -4 6 2 4 61.76 1.03 1.5021 3 7 0 4 61.84 14.84 1.5003 2 8 0 4 63.55 1.22 1.4639 -1 7 6 4 64.05 4.38 1.4537 1 1 8 4 64.15 1.26 1.4516 -5 1 8 4 64.22 1.16 1.4504 -4 4 8 4 64.65 9.36 1.4417 2 4 6 4 65.07 2.37 1.4335 5 3 0 4 65.21 4.88 1.4307 4 6 0 4 65.45 1.48 1.4260 1 9 0 4 65.70 2.30 1.4212 -4 6 6 4 66.91 5.24 1.3985 4 0 4 2 66.99 4.42 1.3969 -6 0 4 2 67.47 1.93 1.3882 3 7 2 4 67.74 4.55 1.3833 -2 6 8 4 68.65 3.52 1.3671 -5 5 6 4 69.33 1.09 1.3554 -3 3 10 4 69.75 1.30 1.3483 -4 2 10 4 69.75 1.86 1.3483 5 1 2 4 69.91 6.59 1.3455 -1 9 4 4 70.08 2.25 1.3428 -2 8 6 4 71.06 3.00 1.3265 -6 2 2 4 71.80 5.53 1.3147 -1 3 10 4 72.27 1.39 1.3073 -2 4 10 4 72.31 1.96 1.3067 0 10 0 2 72.52 2.10 1.3034 2 0 8 2 72.65 2.29 1.3014 -6 0 8 2 73.11 2.29 1.2943 5 3 2 4 73.21 2.02 1.2929 2 6 6 4 73.95 7.34 1.2818 2 8 4 4 73.99 6.00 1.2811 -4 8 4 4 74.77 3.27 1.2696 -4 4 10 4 76.02 3.45 1.2519 -3 5 10 4 76.06 2.38 1.2514 -6 4 2 4 76.74 2.46 1.2420 6 2 0 4 76.79 3.51 1.2412 -5 3 10 4 78.41 1.61 1.2197 -1 5 10 4 78.43 1.15 1.2194 3 5 6 4 79.41 1.57 1.2068 -2 8 8 4 79.68 1.01 1.2033 5 5 2 4 80.39 1.04 1.1946 -6 0 10 2 80.65 1.82 1.1913 1 1 10 4 81.61 3.49 1.1797 6 4 0 4 81.86 1.11 1.1768 4 6 4 4 81.91 1.09 1.1761 4 2 6 4 84.06 1.26 1.1514 1 7 8 4 84.15 3.05 1.1504 0 8 8 4 84.21 3.47 1.1497 -4 8 8 4 86.72 2.65 1.1228 4 4 6 4 86.81 1.01 1.1219 -6 4 10 4 87.15 1.16 1.1184 2 6 8 4 87.27 1.85 1.1172 -6 6 8 4 87.41 1.09 1.1157 -1 9 8 4 89.20 1.22 1.0979 3 9 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.