Burgessite Cooper M A, Hawthorne F C The Canadian Mineralogist 47 (2009) 165-172 The crystal structure of burgessite, Co2(H2O)4[AsO3(OH)]2(H2O), and its relation to erythrite Locality: Keeley mine, South Lorrain Township, Timiskaming District, Ontario, Canada _database_code_amcsd 0006277 CELL PARAMETERS: 4.7058 9.2990 12.7380 90.000 98.933 90.000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 Cell Volume: 550.644 Density (g/cm3): 2.943 MAX. ABS. INTENSITY / VOLUME**2: 42.84848986 RIR: 4.742 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.83 100.00 7.4786 0 1 1 4 14.08 28.71 6.2917 0 0 2 2 17.02 1.55 5.2110 0 1 2 4 19.30 1.94 4.5990 -1 0 1 2 21.37 3.73 4.1581 1 1 0 4 21.38 6.39 4.1559 1 0 1 2 21.56 3.48 4.1224 -1 1 1 4 23.26 1.26 3.8235 0 1 3 4 23.45 1.25 3.7942 1 1 1 4 23.80 7.86 3.7393 0 2 2 4 26.32 8.67 3.3867 -1 0 3 2 27.27 20.09 3.2697 -1 2 1 4 27.30 6.30 3.2666 1 1 2 4 28.04 9.94 3.1822 -1 1 3 4 28.81 21.21 3.0985 1 2 1 4 29.24 5.85 3.0546 -1 2 2 4 29.68 5.12 3.0097 0 3 1 4 29.99 4.50 2.9800 0 1 4 4 30.85 4.85 2.8984 1 0 3 2 32.19 1.27 2.7805 0 3 2 4 32.35 8.01 2.7671 1 1 3 4 32.71 4.04 2.7375 -1 2 3 4 33.24 6.00 2.6954 -1 1 4 4 34.42 5.46 2.6055 0 2 4 4 34.79 15.85 2.5789 1 3 0 4 36.03 4.25 2.4929 0 3 3 4 36.15 4.33 2.4847 1 3 1 4 36.50 1.27 2.4618 -1 3 2 4 37.92 6.77 2.3728 -1 0 5 2 38.20 1.77 2.3562 1 1 4 4 38.74 3.25 2.3244 2 0 0 2 38.86 1.03 2.3172 1 3 2 4 39.18 3.33 2.2995 -2 0 2 2 40.41 1.25 2.2323 -2 1 2 4 40.77 1.16 2.2133 0 2 5 4 41.74 1.39 2.1638 2 1 1 4 41.87 1.76 2.1576 1 2 4 4 42.71 1.39 2.1171 1 3 3 4 43.10 1.14 2.0986 -2 2 1 4 43.53 1.15 2.0792 1 4 0 4 44.27 2.49 2.0459 0 1 6 4 44.56 2.84 2.0333 0 4 3 4 44.60 2.13 2.0317 1 1 5 4 44.66 1.21 2.0289 1 4 1 4 45.84 1.01 1.9794 -2 1 4 4 46.48 2.46 1.9538 0 3 5 4 47.95 2.96 1.8971 2 2 2 4 49.05 2.45 1.8572 -2 2 4 4 49.35 1.73 1.8468 -2 3 2 4 49.55 2.41 1.8398 0 5 1 4 50.08 1.75 1.8213 -2 1 5 4 50.49 1.14 1.8074 2 3 1 4 51.22 2.69 1.7835 0 5 2 4 51.80 1.22 1.7650 0 1 7 4 52.58 1.27 1.7404 -1 1 7 4 53.44 1.24 1.7145 2 1 4 4 54.08 1.06 1.6958 -2 3 4 4 54.27 1.53 1.6902 -1 5 2 4 54.57 1.17 1.6817 1 4 4 4 54.75 1.73 1.6767 0 2 7 4 55.13 2.41 1.6660 -2 1 6 4 56.03 1.06 1.6412 1 5 2 4 56.33 1.93 1.6333 2 2 4 4 56.57 3.31 1.6268 2 3 3 4 57.88 1.19 1.5932 -2 3 5 4 57.97 2.36 1.5909 -2 4 3 4 59.57 1.00 1.5519 -1 5 4 4 59.61 2.03 1.5509 0 1 8 4 60.48 2.19 1.5307 -1 4 6 4 61.69 1.10 1.5036 2 2 5 4 62.52 1.14 1.4856 -3 2 1 4 63.54 1.08 1.4641 -2 2 7 4 64.36 1.20 1.4475 -1 6 2 4 64.95 1.06 1.4357 3 1 2 4 65.36 1.84 1.4278 1 4 6 4 66.53 1.52 1.4054 -3 1 5 4 67.63 1.80 1.3853 3 0 3 2 71.49 1.13 1.3197 0 6 5 4 72.84 1.09 1.2986 -1 4 8 4 77.13 1.21 1.2367 -1 7 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.