Albite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040129 Smith J V, Artioli G American Mineralogist 71 (1986) 727-733 Low albite, NaAlSi3O8: Neutron diffraction study of crystal structure at 13 K Note: this sample of feldspar is from Amelia, Virginia CELL PARAMETERS: 8.1393 12.7844 7.1592 94.262 116.612 87.647 SPACE GROUP: C-1 ATOM X Y Z OCCUPANCY ISO(B) Al 0.00896 0.16774 0.20773 1.000 0.203 Si 0.00359 0.82131 0.23701 1.000 0.190 Si 0.69041 0.10996 0.31323 1.000 0.190 Si 0.67890 0.88190 0.35960 1.000 0.204 Na 0.26470 0.98952 0.14441 1.000 0.558 O 0.00565 0.12907 0.96644 1.000 0.339 O 0.58864 0.99755 0.27889 1.000 0.293 O 0.81264 0.10794 0.19019 1.000 0.368 O 0.81931 0.85141 0.25924 1.000 0.419 O 0.01020 0.30192 0.26814 1.000 0.340 O 0.02294 0.69437 0.22592 1.000 0.342 O 0.21013 0.10901 0.38942 1.000 0.365 O 0.18503 0.86821 0.43708 1.000 0.383 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 6 +/- 11 +/- 5 MAX. ABS. INTENSITY / VOLUME**2: 5.284005642 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 13.86 8.49 6.3882 0 0 1 13.89 4.25 6.3743 0 2 0 13.96 2.87 6.3436 1 1 0 14.07 3.43 6.2962 -1 1 0 14.98 4.95 5.9124 -1 -1 1 15.87 3.83 5.5852 -1 1 1 22.07 97.26 4.0283 -2 0 1 23.09 15.59 3.8518 1 -1 1 23.56 43.62 3.7769 1 1 1 24.16 22.06 3.6836 1 3 0 24.27 17.84 3.6667 -1 -3 1 24.35 41.95 3.6558 -1 3 0 25.41 14.84 3.5056 -1 -1 2 25.57 6.74 3.4835 -2 -2 1 26.42 17.74 3.3730 -1 1 2 26.75 1.24 3.3322 -2 2 1 27.74 71.54 3.2155 -2 0 2 27.93 100.00 3.1941 0 0 2 28.00 65.09 3.1871 0 4 0 28.13 35.85 3.1718 2 2 0 28.35 38.89 3.1481 -2 2 0 30.16 26.38 2.9627 1 -3 1 30.23 17.22 2.9562 -2 -2 2 30.51 11.79 2.9301 0 -2 2 30.55 21.05 2.9260 0 -4 1 31.25 14.99 2.8627 1 3 1 31.51 4.60 2.8390 -1 -3 2 33.64 1.07 2.6641 -3 -1 1 33.98 11.34 2.6385 -1 3 2 35.03 22.35 2.5614 -2 -4 1 35.37 3.75 2.5381 -3 -1 2 35.76 1.76 2.5111 1 -1 2 36.01 2.78 2.4941 2 -2 1 36.21 1.22 2.4806 -3 1 2 36.54 2.14 2.4588 2 2 1 36.81 16.89 2.4418 -2 4 1 37.00 6.86 2.4298 -1 -5 1 37.35 4.78 2.4078 2 4 0 37.48 2.49 2.3998 -1 5 0 37.68 2.07 2.3871 -2 4 0 37.69 2.64 2.3867 3 1 0 37.82 3.40 2.3790 -3 1 0 38.83 11.71 2.3192 -3 -3 1 38.91 1.65 2.3148 -1 5 1 39.57 2.51 2.2778 -1 1 3 40.18 3.34 2.2444 -3 3 1 41.25 2.68 2.1886 0 4 2 41.27 1.88 2.1876 -2 4 2 41.34 6.50 2.1839 1 -5 1 41.93 2.00 2.1546 -2 2 3 42.55 11.55 2.1248 0 6 0 42.72 5.90 2.1168 1 5 1 42.76 2.22 2.1145 3 3 0 43.29 2.28 2.0900 -3 1 3 43.62 8.12 2.0750 2 -4 1 44.53 2.47 2.0346 2 4 1 45.01 1.39 2.0142 -4 0 2 45.33 2.72 2.0007 -4 0 1 45.49 1.87 1.9938 -1 3 3 45.76 1.08 1.9827 0 2 3 45.84 4.20 1.9794 0 6 1 46.04 1.63 1.9715 3 -1 1 47.19 3.66 1.9259 2 -2 2 48.04 11.54 1.8940 -4 2 2 48.16 2.81 1.8893 -3 -5 1 48.19 8.60 1.8884 2 2 2 49.25 13.79 1.8500 -4 0 3 49.49 3.93 1.8418 2 6 0 49.73 1.53 1.8333 -2 -6 2 49.85 2.03 1.8295 1 -1 3 49.89 7.38 1.8279 -2 6 0 50.00 5.96 1.8241 0 -4 3 50.05 7.32 1.8225 0 -6 2 50.15 12.39 1.8192 4 0 0 50.36 1.13 1.8120 3 -3 1 50.49 1.18 1.8076 -4 -2 3 50.63 10.09 1.8029 1 1 3 51.18 20.82 1.7848 -2 0 4 51.86 1.26 1.7631 -1 7 0 52.02 1.19 1.7580 1 5 2 52.17 2.00 1.7534 4 2 0 52.18 2.98 1.7528 -2 -2 4 52.36 1.24 1.7474 -4 2 3 52.54 7.86 1.7417 -4 -4 2 53.25 2.57 1.7201 0 6 2 53.26 3.13 1.7199 2 -4 2 53.33 3.68 1.7177 -2 6 2 53.35 2.15 1.7172 -4 -4 1 53.35 2.50 1.7171 1 -3 3 53.90 1.15 1.7011 -3 -5 3 54.40 4.53 1.6865 -2 2 4 54.87 2.11 1.6733 -1 -7 2 54.89 1.85 1.6727 -4 4 1 55.07 4.43 1.6675 2 4 2 55.12 1.81 1.6661 -4 4 2 57.86 2.81 1.5936 0 8 0 58.15 3.54 1.5865 -3 5 3 58.18 3.47 1.5858 -4 -2 4 58.45 1.88 1.5791 3 -5 1 58.70 1.00 1.5728 -5 -1 1 58.71 4.19 1.5726 0 -2 4 58.84 2.62 1.5694 0 -8 1 59.10 1.95 1.5632 -5 1 1 59.22 3.10 1.5602 3 5 1 59.65 1.27 1.5500 -5 1 3 60.06 1.04 1.5405 -5 -3 2 60.36 2.17 1.5334 -4 2 4 60.54 2.28 1.5295 2 -2 3 60.63 1.00 1.5272 -3 -7 2 61.25 1.45 1.5134 1 -7 2 61.39 1.48 1.5102 -2 4 4 61.52 4.11 1.5074 -2 -8 1 61.76 5.18 1.5020 -5 -3 3 61.99 1.35 1.4971 3 3 2 62.87 1.13 1.4783 -4 -6 1 63.27 1.06 1.4698 -2 -8 2 63.53 7.86 1.4644 2 8 0 63.79 4.18 1.4591 0 6 3 63.99 6.50 1.4550 -2 8 0 64.31 1.68 1.4486 -5 3 3 64.68 2.63 1.4411 -4 -6 3 64.95 6.02 1.4358 -4 6 1 65.18 6.06 1.4313 2 6 2 65.39 5.25 1.4272 -4 6 2 65.53 4.21 1.4244 2 -4 3 65.56 2.25 1.4239 -5 1 4 65.79 1.92 1.4195 -2 -6 4 66.06 3.73 1.4143 1 1 4 66.45 1.63 1.4071 4 4 1 67.11 4.21 1.3947 -5 -3 4 67.22 2.29 1.3927 1 9 0 67.47 2.03 1.3881 -1 9 0 67.49 2.74 1.3879 4 6 0 67.77 1.08 1.3828 2 -8 1 67.94 4.15 1.3798 1 -3 4 68.04 2.83 1.3779 2 4 3 68.15 1.31 1.3760 -4 6 0 68.32 3.60 1.3729 -4 0 5 68.89 4.58 1.3630 -4 -2 5 69.13 1.53 1.3589 2 8 1 69.44 1.59 1.3535 -4 6 3 69.55 5.87 1.3516 -6 0 2 69.56 6.88 1.3515 -1 -9 2 69.70 3.40 1.3491 -1 1 5 70.02 6.99 1.3437 4 0 2 70.72 2.92 1.3321 -6 -2 2 70.96 1.13 1.3283 -5 5 1 70.98 4.99 1.3278 -1 -3 5 71.33 1.18 1.3222 -4 2 5 71.45 1.41 1.3204 3 1 3 71.67 1.05 1.3168 0 -6 4 71.72 1.19 1.3160 0 -8 3 72.34 2.07 1.3062 -5 5 3 72.67 1.95 1.3011 -6 2 3 73.77 2.50 1.2843 -1 9 2 73.80 1.33 1.2839 3 -3 3 73.83 1.17 1.2835 -3 -5 5 74.02 4.81 1.2807 -4 -8 2 74.10 1.48 1.2794 -6 0 4 74.42 2.06 1.2749 0 10 0 74.84 1.98 1.2687 2 0 4 74.88 1.48 1.2681 0 -2 5 74.93 5.30 1.2674 2 -8 2 75.38 1.20 1.2609 -6 -4 2 75.46 1.89 1.2598 -6 -4 3 75.73 2.97 1.2559 -5 -3 5 76.84 1.38 1.2406 -4 6 4 76.89 1.27 1.2399 0 6 4 77.67 2.12 1.2294 4 4 2 77.74 2.31 1.2285 -6 4 2 77.75 1.74 1.2283 -4 4 5 77.96 4.93 1.2256 2 8 2 78.21 1.12 1.2222 -3 -9 3 78.31 4.71 1.2209 -4 8 2 78.94 4.00 1.2128 6 0 0 79.60 1.56 1.2043 -3 5 5 80.12 1.57 1.1978 3 -5 3 80.21 1.18 1.1968 -6 4 1 80.43 1.54 1.1940 -4 -6 5 80.48 2.10 1.1933 6 2 0 81.94 1.12 1.1758 -1 9 3 82.08 1.45 1.1741 -4 -8 4 82.30 1.69 1.1715 -1 5 5 82.53 1.68 1.1689 -5 -7 4 82.85 1.82 1.1651 0 -8 4 82.91 2.67 1.1645 3 5 3 83.21 1.11 1.1611 0 4 5 83.60 2.89 1.1566 1 -7 4 84.63 1.71 1.1451 -3 9 3 84.86 2.36 1.1426 -2 6 5 85.40 2.88 1.1368 6 4 0 85.51 2.19 1.1356 -1 -9 4 85.78 1.04 1.1327 -6 -4 5 86.01 2.86 1.1302 -6 4 0 87.28 1.08 1.1170 -5 5 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.