Variscite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R040180 Kniep R, Mootz D, Vegas A Acta Crystallographica B33 (1977) 263-265 Variscite Locality: Montgomery County, Arkansas, USA CELL PARAMETERS: 9.7780 8.5310 9.5860 90.000 90.000 90.000 SPACE GROUP: Pbca ATOM X Y Z OCCUPANCY ISO(B) Al 0.13389 0.15500 0.16841 1.000 0.453 P 0.14779 0.46844 0.35284 1.000 0.406 O 0.11180 0.29870 0.31525 1.000 0.651 O 0.04030 0.58186 0.29453 1.000 0.741 O 0.28545 0.51247 0.29006 1.000 0.661 O 0.14997 0.47916 0.51224 1.000 0.618 O 0.06041 0.32564 0.05460 1.000 0.972 O 0.30726 0.23597 0.11499 1.000 0.807 H 0.06300 0.31000 -0.02800 1.000 3.800 H -0.01200 0.37100 0.06800 1.000 4.000 H 0.36200 0.20100 0.16800 1.000 2.000 H 0.31400 0.33400 0.08500 1.000 4.700 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 7 +/- 8 MAX. ABS. INTENSITY / VOLUME**2: 6.598124235 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 16.60 95.29 5.3390 1 1 1 18.15 7.65 4.8890 2 0 0 18.51 31.57 4.7930 0 0 2 20.82 8.03 4.2655 0 2 0 20.94 90.42 4.2418 2 1 0 22.82 12.97 3.8971 0 2 1 22.93 23.01 3.8790 2 1 1 23.15 3.40 3.8425 1 1 2 24.59 17.66 3.6202 1 2 1 26.03 1.67 3.4226 2 0 2 27.76 7.19 3.2141 2 2 0 28.00 2.35 3.1864 0 2 2 28.09 6.28 3.1765 2 1 2 29.48 100.00 3.0296 1 2 2 30.81 55.78 2.9018 3 1 1 31.26 39.88 2.8613 1 1 3 34.14 13.92 2.6261 1 3 1 34.91 10.22 2.5700 3 1 2 35.09 7.04 2.5574 0 2 3 35.16 2.94 2.5522 2 1 3 36.31 22.07 2.4741 1 2 3 36.56 5.24 2.4581 2 3 0 36.77 19.97 2.4445 4 0 0 37.53 2.41 2.3965 0 0 4 37.78 6.30 2.3811 2 3 1 37.92 3.39 2.3725 1 3 2 38.30 4.08 2.3499 4 1 0 38.68 12.33 2.3276 1 0 4 39.48 5.43 2.2824 4 1 1 39.78 3.89 2.2661 2 2 3 40.94 1.39 2.2043 3 1 3 41.28 1.32 2.1872 2 3 2 41.99 2.13 2.1519 2 0 4 42.38 4.95 2.1328 0 4 0 42.86 5.03 2.1100 4 1 2 43.31 3.06 2.0893 0 2 4 43.60 11.92 2.0758 1 3 3 44.33 6.25 2.0432 1 2 4 45.06 7.55 2.0120 3 2 3 46.45 9.27 1.9548 2 4 0 46.84 10.45 1.9395 4 2 2 47.07 1.22 1.9308 3 0 4 47.31 2.26 1.9212 2 2 4 47.47 4.78 1.9154 2 4 1 47.58 5.86 1.9110 1 4 2 48.06 2.37 1.8931 4 1 3 49.15 11.01 1.8537 4 3 0 49.62 5.77 1.8372 1 1 5 50.68 2.22 1.8012 1 3 4 51.34 2.73 1.7797 3 3 3 51.60 1.80 1.7712 5 1 2 52.34 10.46 1.7479 5 2 1 52.37 2.99 1.7470 2 1 5 52.42 4.03 1.7454 1 4 3 53.39 3.60 1.7159 2 3 4 53.55 3.27 1.7113 4 0 4 54.90 2.68 1.6725 3 4 2 55.10 3.00 1.6667 5 2 2 56.19 2.52 1.6370 5 1 3 56.47 1.68 1.6297 6 0 0 57.47 1.83 1.6034 4 3 3 57.58 5.70 1.6007 6 1 0 57.70 5.34 1.5977 0 0 6 57.71 1.20 1.5974 3 3 4 58.06 1.21 1.5886 2 5 1 58.16 7.12 1.5861 1 5 2 58.21 4.18 1.5850 4 4 1 58.72 7.67 1.5725 1 4 4 58.86 1.38 1.5691 1 3 5 59.31 3.25 1.5581 3 4 3 59.51 6.63 1.5535 5 2 3 59.63 1.50 1.5505 1 1 6 60.79 1.19 1.5237 4 4 2 60.85 1.85 1.5223 6 2 0 61.03 3.75 1.5183 6 1 2 61.17 1.29 1.5152 5 0 4 61.32 13.32 1.5118 2 3 5 62.08 5.92 1.4951 2 1 6 62.17 2.42 1.4932 3 5 1 62.52 2.95 1.4855 4 1 5 62.83 1.34 1.4789 1 2 6 64.66 10.31 1.4416 3 5 2 64.80 1.02 1.4388 5 3 3 65.31 1.06 1.4288 3 3 5 65.36 1.23 1.4278 5 2 4 65.46 4.76 1.4258 0 4 5 65.67 2.19 1.4218 0 6 0 66.48 1.93 1.4064 0 6 1 66.89 6.04 1.3988 6 3 1 67.25 1.54 1.3921 1 6 1 67.91 3.00 1.3803 5 4 2 67.98 1.08 1.3790 1 3 6 68.80 6.00 1.3645 7 1 1 70.28 1.72 1.3394 1 1 7 70.40 6.12 1.3374 4 0 6 70.78 1.40 1.3311 6 1 4 71.91 1.56 1.3130 2 6 2 72.34 1.16 1.3063 3 4 5 72.51 1.70 1.3035 5 2 5 73.24 1.74 1.2924 1 2 7 73.85 1.86 1.2833 6 4 1 74.11 1.34 1.2793 7 2 2 74.17 4.47 1.2785 3 5 4 75.04 3.03 1.2657 7 1 3 75.62 1.55 1.2576 3 6 2 76.23 6.58 1.2489 3 1 7 77.24 2.75 1.2352 5 4 4 77.50 1.75 1.2316 4 4 5 77.69 2.04 1.2291 4 6 0 78.45 3.67 1.2191 4 6 1 79.92 2.12 1.2004 8 1 1 80.53 1.27 1.1927 5 5 3 80.90 3.59 1.1883 5 2 6 81.37 5.37 1.1825 2 7 0 82.12 2.42 1.1736 2 7 1 82.46 1.49 1.1697 6 5 1 83.84 2.17 1.1539 3 3 7 83.91 1.56 1.1531 2 1 8 84.91 1.52 1.1420 0 6 5 84.93 1.18 1.1418 5 6 1 85.29 1.17 1.1379 6 3 5 85.96 1.69 1.1308 6 1 6 87.45 2.93 1.1153 8 3 1 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.