Talmessite Catti M, Ferraris G, Ivaldi G Bulletin de Mineralogie 100 (1977) 230-236 Hydrogen bonding in the crystalline state. Structure of talmessite, Ca2(Mg,Co)(AsO4)2*2H2O, and crystal chemistry of related minerals Locality: Bou-Azzer, Morocco _database_code_amcsd 0012065 CELL PARAMETERS: 5.8740 6.9430 5.5370 97.300 108.700 108.100 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 196.762 Density (g/cm3): 3.669 MAX. ABS. INTENSITY / VOLUME**2: 15.05696019 RIR: 1.336 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.87 16.02 6.3869 0 1 0 2 17.18 6.79 5.1601 1 0 0 2 17.47 22.77 5.0758 0 0 1 2 17.60 33.56 5.0396 -1 1 0 2 19.28 21.32 4.6025 -1 0 1 2 19.41 7.31 4.5740 0 -1 1 2 22.59 15.80 3.9358 -1 1 1 2 25.01 32.72 3.5610 0 1 1 2 25.01 33.13 3.5604 -1 -1 1 2 25.94 4.94 3.4346 1 1 0 2 26.78 33.58 3.3293 -1 2 0 2 27.02 9.15 3.3001 1 -1 1 2 27.94 58.67 3.1934 0 2 0 2 29.01 100.00 3.0782 1 0 1 2 29.05 25.70 3.0742 0 -2 1 2 31.68 2.84 2.8243 -2 1 1 2 31.91 51.99 2.8046 1 -2 1 2 32.19 9.09 2.7805 -2 1 0 2 32.37 71.73 2.7659 -2 0 1 2 32.40 30.62 2.7636 -1 2 1 2 32.84 59.67 2.7268 -1 0 2 2 34.59 21.32 2.5932 0 -1 2 2 34.77 13.80 2.5800 2 0 0 2 35.37 2.28 2.5379 0 0 2 2 35.63 1.08 2.5198 -2 2 0 2 35.88 9.85 2.5031 -1 -2 1 2 36.77 2.58 2.4444 -1 1 2 2 36.83 1.35 2.4402 0 2 1 2 36.96 17.25 2.4322 -2 2 1 2 38.29 1.93 2.3504 1 2 0 2 38.74 13.66 2.3244 -2 -1 1 2 39.28 3.54 2.2936 -1 3 0 2 41.97 26.09 2.1526 -1 -2 2 2 42.41 3.95 2.1313 2 1 0 2 42.46 1.22 2.1290 0 3 0 2 42.76 2.44 2.1149 2 -2 1 2 43.86 16.64 2.0643 -2 3 0 2 44.54 9.24 2.0341 1 -2 2 2 44.99 10.57 2.0148 -1 3 1 2 45.09 1.10 2.0106 2 0 1 2 45.28 16.04 2.0029 -1 2 2 2 46.13 3.95 1.9679 -2 2 2 2 46.42 1.12 1.9563 -3 1 1 2 48.16 21.28 1.8896 1 2 1 2 48.36 4.71 1.8822 -3 2 1 2 48.92 14.61 1.8618 -2 -2 1 2 49.46 1.24 1.8429 -3 1 0 2 49.90 2.69 1.8276 -1 0 3 2 49.94 9.97 1.8261 -3 2 0 2 50.88 9.14 1.7946 1 -3 2 2 51.31 11.09 1.7805 0 2 2 2 51.32 4.13 1.7802 -2 -2 2 2 51.56 2.64 1.7725 -3 0 2 2 52.11 2.49 1.7553 -2 0 3 2 52.25 1.67 1.7507 1 3 0 2 52.34 1.73 1.7481 0 -1 3 2 52.52 1.82 1.7423 1 1 2 2 53.26 18.06 1.7200 3 0 0 2 53.35 7.21 1.7173 2 2 0 2 53.62 9.47 1.7093 -3 2 2 2 53.84 15.59 1.7029 1 -4 1 2 54.09 2.01 1.6956 -1 1 3 2 54.09 3.56 1.6954 -2 -1 3 2 54.21 20.78 1.6919 0 0 3 2 54.24 7.22 1.6911 -1 -2 3 2 54.62 9.14 1.6803 0 -2 3 2 55.18 1.43 1.6646 -2 4 0 2 55.71 5.44 1.6501 2 -2 2 2 55.95 1.31 1.6435 2 -1 2 2 56.73 5.21 1.6226 -3 -1 2 2 57.74 8.39 1.5967 0 4 0 2 57.97 4.53 1.5909 3 -2 1 2 58.64 14.16 1.5743 -2 4 1 2 58.78 1.15 1.5709 3 -1 1 2 59.97 5.58 1.5426 -2 -2 3 2 60.12 7.59 1.5391 2 0 2 2 60.33 4.80 1.5342 -3 0 3 2 60.34 3.67 1.5339 -2 2 3 2 60.56 5.82 1.5289 -3 3 2 2 60.70 1.23 1.5257 1 -1 3 2 61.03 1.63 1.5182 1 -2 3 2 61.05 5.85 1.5178 3 -3 1 2 61.92 2.55 1.4986 -1 2 3 2 62.47 1.92 1.4867 -2 -3 2 2 62.80 2.92 1.4797 1 2 2 2 62.89 4.05 1.4779 -3 4 0 2 63.60 1.67 1.4629 2 2 1 2 63.74 1.99 1.4601 0 3 2 2 63.86 5.15 1.4577 -4 2 1 2 63.99 5.19 1.4551 -4 1 1 2 64.56 1.70 1.4435 -3 2 3 2 65.35 4.33 1.4280 -3 -2 2 2 65.56 1.04 1.4240 0 4 1 2 65.56 8.41 1.4238 -1 -4 2 2 66.17 2.50 1.4122 -4 2 2 2 66.70 11.98 1.4023 2 -4 2 2 67.35 1.55 1.3903 -4 2 0 2 67.39 4.32 1.3895 -4 3 1 2 67.76 4.44 1.3830 -4 0 2 2 67.77 1.61 1.3827 -4 0 1 2 67.82 1.73 1.3818 -2 4 2 2 68.06 2.27 1.3775 -1 -1 4 2 68.73 1.74 1.3658 -2 5 0 2 68.86 5.79 1.3634 -2 0 4 2 69.06 2.35 1.3601 0 2 3 2 69.13 1.30 1.3588 -2 -3 3 2 69.16 2.03 1.3584 -1 0 4 2 69.43 1.55 1.3537 -2 -1 4 2 69.65 2.56 1.3499 -2 3 3 2 70.12 6.08 1.3421 0 -4 3 2 70.48 5.23 1.3361 -1 4 2 2 70.55 1.61 1.3350 -1 -2 4 2 70.64 1.87 1.3335 -3 4 2 2 70.89 5.19 1.3293 -3 -2 3 2 71.35 3.95 1.3219 3 2 0 2 71.36 2.80 1.3217 3 1 1 2 72.96 1.30 1.2966 0 -2 4 2 72.99 1.30 1.2962 1 -5 2 2 73.51 2.15 1.2883 -2 -2 4 2 74.34 1.56 1.2759 -4 4 1 2 74.69 2.27 1.2708 2 -3 3 2 74.82 1.24 1.2689 0 0 4 2 74.95 1.26 1.2671 -4 -1 1 2 75.05 1.11 1.2657 -1 5 1 2 76.28 2.38 1.2483 4 -2 1 2 76.32 6.05 1.2477 -2 -4 1 2 76.91 5.76 1.2397 1 4 1 2 76.91 2.17 1.2396 2 3 1 2 77.05 1.08 1.2378 2 -5 2 2 77.49 1.38 1.2318 3 -5 1 2 78.21 1.38 1.2222 -2 2 4 2 78.47 4.15 1.2189 2 2 2 2 78.68 2.74 1.2161 -4 4 2 2 80.00 2.05 1.1994 -3 2 4 2 80.58 1.66 1.1921 1 -2 4 2 81.36 1.28 1.1827 1 -1 4 2 81.63 1.58 1.1795 -1 2 4 2 81.82 1.09 1.1772 -2 4 3 2 81.94 2.43 1.1758 4 -4 1 2 82.34 1.68 1.1710 0 -5 3 2 82.37 1.22 1.1707 3 2 1 2 82.47 2.54 1.1695 -3 4 3 2 83.11 1.07 1.1622 -4 -2 2 2 83.50 1.39 1.1578 -3 5 2 2 84.13 1.35 1.1506 -4 0 4 2 84.21 2.56 1.1498 4 0 1 2 85.50 3.03 1.1357 1 0 4 2 86.92 1.95 1.1208 -4 2 4 2 88.45 2.16 1.1053 3 -2 3 2 89.06 1.10 1.0993 2 -5 3 2 89.11 2.61 1.0988 1 -4 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.