Anorthoclase Harlow G E American Mineralogist 67 (1982) 975-996 The anorthoclase structures: The effects of temperature and composition Grande Caldeira, Or = 32.5, T = 400 deg C feldspar Locality: Grande Calderira, Azores _database_code_amcsd 0000875 CELL PARAMETERS: 8.3482 12.9800 7.1582 90.000 116.109 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 696.510 Density (g/cm3): 2.551 MAX. ABS. INTENSITY / VOLUME**2: 7.808145618 RIR: 0.996 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.64 5.19 6.4915 1 1 0 4 13.64 8.00 6.4900 0 2 0 2 13.78 4.67 6.4278 0 0 1 2 15.26 8.06 5.8057 -1 1 1 4 21.56 57.22 4.1221 -2 0 1 2 22.88 26.39 3.8866 1 1 1 4 23.74 50.54 3.7473 1 3 0 4 24.73 6.21 3.6002 -1 3 1 4 25.60 3.26 3.4796 -2 2 1 4 25.82 24.46 3.4501 -1 1 2 4 27.48 53.18 3.2458 2 2 0 4 27.48 46.82 3.2456 -2 0 2 2 27.49 32.96 3.2450 0 4 0 2 27.76 54.97 3.2139 0 0 2 2 30.13 29.97 2.9659 1 3 1 4 30.80 5.63 2.9029 -2 2 2 4 30.87 11.94 2.8968 0 4 1 4 31.05 7.16 2.8801 0 2 2 4 32.47 11.52 2.7577 -1 3 2 4 35.14 6.03 2.5540 -3 1 2 4 35.20 21.41 2.5497 -2 4 1 4 35.41 1.93 2.5346 2 2 1 4 35.58 3.53 2.5231 1 1 2 4 36.62 4.96 2.4537 3 1 0 4 36.63 4.21 2.4533 2 4 0 4 37.31 5.54 2.4104 -1 5 1 4 38.51 6.88 2.3378 -3 3 1 4 38.92 1.75 2.3139 -1 1 3 4 41.24 3.68 2.1892 1 5 1 4 41.75 11.15 2.1633 0 6 0 2 42.35 1.01 2.1343 -3 1 3 4 43.09 5.91 2.0994 2 4 1 4 43.93 2.35 2.0611 -4 0 2 2 43.97 1.27 2.0591 -4 0 1 2 44.17 2.45 2.0503 0 6 1 4 46.21 6.46 1.9644 -4 2 2 4 46.74 6.03 1.9433 2 2 2 4 47.96 1.24 1.8968 -3 5 1 4 48.46 5.02 1.8786 -4 0 3 2 48.58 5.55 1.8741 4 0 0 2 48.59 3.60 1.8736 2 6 0 4 49.63 4.22 1.8369 1 1 3 4 50.70 1.94 1.8005 4 2 0 4 50.71 2.95 1.8001 -2 6 2 4 50.88 4.94 1.7946 0 6 2 4 51.04 12.83 1.7894 -2 0 4 2 51.08 3.67 1.7880 0 4 3 4 52.60 3.15 1.7398 -4 4 2 4 52.64 2.87 1.7386 -4 4 1 4 53.09 3.18 1.7251 2 4 2 4 55.27 2.97 1.6621 -3 5 3 4 56.74 1.16 1.6225 0 8 0 2 57.36 2.78 1.6063 3 5 1 4 58.64 2.29 1.5743 -4 2 4 4 59.24 2.38 1.5598 0 2 4 4 60.85 1.02 1.5223 0 6 3 4 61.68 3.55 1.5039 -5 3 3 4 62.25 3.00 1.4915 -4 6 1 4 62.36 9.34 1.4890 2 8 0 4 64.02 1.59 1.4544 -5 1 4 4 64.87 1.85 1.4373 1 1 4 4 65.59 3.30 1.4234 2 4 3 4 65.84 1.05 1.4184 -4 6 3 4 65.95 1.21 1.4165 4 6 0 4 65.96 1.32 1.4162 1 9 0 4 67.42 2.88 1.3891 -6 0 2 2 67.88 2.08 1.3808 -4 0 5 2 67.99 1.25 1.3788 -2 6 4 4 68.11 2.91 1.3766 4 0 2 2 68.40 1.05 1.3716 1 3 4 4 68.83 1.10 1.3640 -1 1 5 4 70.38 2.92 1.3377 -1 9 2 4 72.26 2.23 1.3075 -1 3 5 4 73.17 1.06 1.2935 0 8 3 4 74.27 1.07 1.2770 -6 4 2 4 74.41 4.73 1.2749 -4 8 2 4 74.71 1.14 1.2706 -4 4 5 4 74.81 4.66 1.2691 2 8 2 4 76.13 1.30 1.2504 -3 5 5 4 76.20 1.19 1.2494 6 0 0 2 76.63 1.44 1.2435 -5 3 5 4 84.43 1.33 1.1474 -4 8 4 4 84.94 1.21 1.1417 0 8 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.