Cornwallite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050469 Arlt T, Armbruster T Neues Jahrbuch fur Mineralogie, Monatshefte 1999 (1999) 468-480 Single-crystal X-ray structure refinement of cornwallite, Cu5(AsO4)2(OH)4: A comparison with its polymorph cornubite and the (PO4)-analogue pseudomalachite Locality: Clara mine, Oberwolfach, Black Forest, Germany Note: Biso for O2 and O4 switched to match calculated values CELL PARAMETERS: 4.600000 5.757000 17.38000 90.00000 91.87000 90.00000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 10.21 2.43 8.6994 0 0 2 16.21 8.90 5.4782 0 1 1 18.48 39.81 4.8095 0 1 2 19.31 71.41 4.6040 1 0 0 21.75 1.87 4.0911 0 1 3 25.16 73.03 3.5433 -1 1 1 25.43 23.90 3.5062 1 1 1 26.57 11.51 3.3574 -1 1 2 27.08 7.13 3.2950 1 1 2 27.75 100.00 3.2168 -1 0 4 28.73 57.52 3.1095 1 0 4 28.87 27.38 3.0952 -1 1 3 29.58 63.72 3.0224 1 1 3 30.00 12.27 2.9801 0 1 5 30.85 6.08 2.8998 0 0 6 31.01 13.72 2.8859 0 2 0 32.73 3.94 2.7375 1 1 4 32.71 24.95 2.7391 0 2 2 34.63 3.53 2.5912 0 1 6 34.74 12.52 2.5837 0 2 3 35.42 36.63 2.5356 -1 1 5 36.05 43.49 2.4921 -1 0 6 36.40 58.94 2.4692 1 1 5 36.77 2.01 2.4452 1 2 0 37.05 3.33 2.4275 -1 2 1 37.21 3.62 2.4169 1 0 6 37.24 62.62 2.4154 1 2 1 37.41 16.17 2.4047 0 2 4 38.06 24.85 2.3651 -1 2 2 38.43 35.07 2.3430 1 2 2 39.14 33.45 2.3020 2 0 0 39.48 33.02 2.2829 0 1 7 39.76 1.64 2.2678 -1 2 3 40.30 1.29 2.2387 1 2 3 40.47 5.77 2.2294 1 1 6 40.62 12.52 2.2214 0 2 5 40.90 1.16 2.2070 2 0 2 41.53 18.49 2.1749 0 0 8 42.07 1.61 2.1481 -1 2 4 42.28 2.08 2.1382 2 1 0 42.44 1.50 2.1304 -2 1 1 42.76 9.85 2.1153 1 2 4 43.71 3.09 2.0711 -1 1 7 43.88 2.15 2.0638 -2 0 4 43.93 4.02 2.0614 2 1 2 44.71 3.00 2.0271 -2 1 3 45.19 1.84 2.0067 2 0 4 48.33 5.13 1.8833 0 2 7 48.46 9.06 1.8785 0 3 2 49.74 6.01 1.8331 0 1 9 49.73 5.21 1.8336 -2 0 6 49.95 2.34 1.8261 0 3 3 50.73 7.54 1.7996 2 2 0 50.82 7.63 1.7967 2 1 5 51.52 2.49 1.7739 2 0 6 51.59 27.95 1.7716 -2 2 2 51.98 8.82 1.7591 -1 2 7 52.17 5.80 1.7531 2 2 2 52.35 3.12 1.7475 -2 1 6 52.47 3.21 1.7438 -1 3 2 52.76 2.16 1.7349 1 3 2 52.86 9.54 1.7318 -2 2 3 53.00 6.59 1.7276 1 2 7 53.73 2.49 1.7060 2 2 3 53.81 1.33 1.7037 -1 3 3 54.08 2.24 1.6956 2 1 6 54.23 2.99 1.6912 1 3 3 54.50 9.97 1.6837 0 3 5 54.67 2.12 1.6787 -2 2 4 55.66 1.02 1.6511 -1 3 4 55.79 10.63 1.6475 2 2 4 55.82 26.15 1.6468 -2 1 7 56.08 6.42 1.6398 -1 2 8 56.22 1.11 1.6361 1 3 4 56.98 8.22 1.6161 -2 2 5 57.18 3.16 1.6107 1 2 8 57.23 1.63 1.6096 1 0 10 57.27 4.29 1.6084 -2 0 8 57.48 2.31 1.6032 0 3 6 57.75 9.68 1.5963 2 1 7 58.01 2.98 1.5897 -1 3 5 58.28 2.05 1.5830 -1 1 10 58.34 16.57 1.5814 2 2 5 58.69 4.91 1.5730 1 3 5 59.44 11.27 1.5548 2 0 8 59.63 1.00 1.5504 1 1 10 60.30 1.94 1.5347 3 0 0 60.50 4.02 1.5300 -1 2 9 60.70 8.67 1.5255 0 1 11 60.81 3.10 1.5229 -1 3 6 60.88 7.56 1.5214 0 3 7 61.33 2.14 1.5112 2 2 6 61.60 2.02 1.5052 1 3 6 61.69 4.70 1.5034 1 2 9 62.30 7.40 1.4900 0 2 10 62.68 1.43 1.4819 -3 1 1 62.95 1.21 1.4762 2 3 0 63.59 6.76 1.4629 -3 0 4 63.70 4.73 1.4607 -2 3 2 63.88 4.26 1.4571 -2 1 9 64.04 7.19 1.4536 -1 3 7 64.23 1.78 1.4499 0 0 12 64.21 3.42 1.4502 2 3 2 64.82 8.22 1.4380 0 4 1 64.94 1.94 1.4357 1 3 7 65.24 5.20 1.4299 -1 2 10 65.45 9.86 1.4257 3 1 3 65.58 2.56 1.4232 2 3 3 65.57 1.65 1.4235 0 4 2 66.50 8.63 1.4057 1 2 10 66.79 2.29 1.4002 0 4 3 66.99 10.41 1.3966 -1 0 12 67.51 2.55 1.3870 0 2 11 67.86 5.61 1.3808 -3 1 5 68.08 6.14 1.3769 1 4 0 68.49 10.90 1.3697 1 0 12 68.67 1.92 1.3665 1 3 8 68.92 2.25 1.3621 -1 4 2 69.39 3.76 1.3541 -3 2 1 69.71 3.92 1.3485 3 1 5 69.72 2.49 1.3485 2 3 5 69.76 6.39 1.3478 3 2 1 69.92 7.28 1.3450 -3 2 2 70.06 9.70 1.3427 -1 4 3 70.36 4.42 1.3378 3 0 6 70.32 1.04 1.3384 -3 1 6 70.43 4.52 1.3366 1 4 3 70.67 1.64 1.3327 1 1 12 70.66 2.35 1.3328 3 2 2 70.99 2.22 1.3273 -2 3 6 72.15 1.23 1.3089 1 4 4 72.45 2.10 1.3041 2 3 6 73.34 1.50 1.2905 0 3 10 73.72 3.82 1.2848 -1 4 5 73.94 1.68 1.2816 -2 3 7 74.32 3.15 1.2759 1 4 5 74.87 1.42 1.2678 -2 2 10 75.62 1.90 1.2571 -1 2 12 75.92 1.84 1.2529 2 1 11 76.07 1.70 1.2508 -1 3 10 76.28 1.52 1.2479 0 4 7 77.04 1.31 1.2374 1 2 12 77.27 1.03 1.2343 3 0 8 77.25 1.63 1.2346 2 2 10 77.26 1.18 1.2345 1 3 10 78.26 1.84 1.2211 -2 4 1 78.50 1.05 1.2181 2 4 1 78.80 3.40 1.2142 0 2 13 78.83 1.82 1.2137 -2 4 2 79.24 1.77 1.2085 2 0 12 79.52 2.29 1.2050 -3 2 7 79.59 2.75 1.2040 -2 2 11 82.75 2.20 1.1659 -3 2 8 83.58 4.03 1.1563 0 4 9 84.06 3.42 1.1510 4 0 0 84.38 1.00 1.1475 -3 1 10 84.93 2.27 1.1414 0 2 14 85.32 2.22 1.1372 0 1 15 85.43 1.89 1.1361 4 0 2 85.79 1.26 1.1321 0 5 3 86.46 1.49 1.1250 3 3 5 86.41 1.41 1.1256 -3 2 9 87.03 1.89 1.1191 -3 3 6 87.33 1.53 1.1161 -1 2 14 87.86 1.30 1.1107 0 4 10 88.43 1.96 1.1050 -2 4 7 89.53 2.16 1.0943 3 2 9 89.39 1.85 1.0956 0 5 5 89.39 1.85 1.0956 0 5 5 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.