Pb6[Ge6O18].2H20 Otto H H, Brandt H J European Journal of Mineralogy 8 (1996) 301-310 Crystal structure of Pb6[Ge6O18]2H2O, a lead cyclo-germanate similar to the mineral dioptase _database_code_amcsd 0006627 CELL PARAMETERS: 15.6476 15.6476 7.3119 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1550.445 Density (g/cm3): 6.449 MAX. ABS. INTENSITY / VOLUME**2: 180.5547427 RIR: 9.116 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.31 51.75 7.8238 1 1 0 6 13.76 9.04 6.4349 1 0 1 6 17.85 18.70 4.9699 0 2 1 6 21.18 1.81 4.1951 2 1 1 6 21.18 1.91 4.1951 3 -1 1 6 22.73 4.64 3.9119 2 2 0 6 25.23 21.90 3.5297 0 1 2 6 26.67 29.14 3.3427 -1 4 1 6 27.73 4.06 3.2175 2 0 2 6 29.05 12.34 3.0739 4 0 1 6 30.03 1.37 2.9757 -1 3 2 6 30.03 64.62 2.9757 1 2 2 6 30.22 2.26 2.9571 1 4 0 6 30.22 97.74 2.9571 4 1 0 6 31.26 1.65 2.8610 3 2 1 6 31.26 5.88 2.8610 5 -2 1 6 34.22 18.59 2.6206 3 1 2 6 34.22 1.94 2.6206 4 -1 2 6 34.39 5.15 2.6079 3 3 0 6 36.15 9.02 2.4849 0 4 2 6 36.88 3.96 2.4373 0 0 3 2 37.99 3.13 2.3683 -2 5 2 6 38.69 9.51 2.3270 1 1 3 6 39.00 3.56 2.3093 6 -1 1 6 39.92 3.25 2.2585 6 0 0 6 41.47 5.66 2.1772 5 0 2 6 41.62 3.31 2.1699 5 2 0 6 42.42 5.34 2.1311 4 3 1 6 43.13 20.07 2.0975 6 -2 2 6 43.13 1.04 2.0975 4 2 2 6 44.73 3.55 2.0260 -1 6 2 6 44.73 2.04 2.0260 1 5 2 6 45.62 2.68 1.9886 -1 7 1 6 45.62 1.40 1.9886 1 6 1 6 48.40 2.30 1.8808 4 1 3 6 48.40 2.96 1.8808 -1 5 3 6 48.40 3.14 1.8808 5 -1 3 6 48.65 9.96 1.8714 3 5 1 6 50.12 3.80 1.8201 8 -2 1 6 50.37 2.79 1.8116 1 0 4 6 50.87 1.27 1.7949 1 7 0 6 51.31 2.25 1.7807 6 -3 3 6 51.80 5.05 1.7649 0 2 4 6 53.20 3.73 1.7216 2 1 4 6 53.20 1.40 1.7216 3 -1 4 6 53.57 10.65 1.7108 5 3 2 6 53.57 7.26 1.7108 8 -3 2 6 53.57 10.15 1.7108 0 7 2 6 53.69 11.92 1.7073 3 6 0 6 54.94 3.41 1.6713 2 6 2 6 55.47 6.44 1.6566 0 6 3 6 55.93 2.67 1.6439 -1 4 4 6 55.93 1.42 1.6439 1 3 4 6 56.81 1.15 1.6207 7 -2 3 6 56.81 5.01 1.6207 5 2 3 6 57.04 6.52 1.6147 -2 9 1 6 57.27 3.18 1.6087 4 0 4 6 58.58 1.68 1.5758 3 2 4 6 58.58 5.53 1.5758 5 -2 4 6 58.92 1.50 1.5675 -4 9 2 6 58.92 2.33 1.5675 4 5 2 6 59.03 1.33 1.5648 5 5 0 6 59.65 2.43 1.5500 9 -1 1 6 59.65 3.94 1.5500 8 1 1 6 60.93 1.21 1.5205 -4 10 1 6 61.48 3.62 1.5081 7 2 2 6 62.42 1.57 1.4878 -2 6 4 6 62.85 5.98 1.4786 8 2 0 6 63.66 1.56 1.4616 6 -1 4 6 63.66 1.09 1.4616 5 1 4 6 63.99 3.05 1.4550 -1 9 2 6 64.47 1.09 1.4453 7 1 3 6 66.12 3.22 1.4131 4 3 4 6 66.49 2.07 1.4062 1 2 5 6 68.53 3.05 1.3692 1 6 4 6 68.53 1.10 1.3692 -1 7 4 6 70.91 1.80 1.3291 3 5 4 6 71.21 2.56 1.3241 -5 11 2 6 71.21 1.96 1.3241 10 -1 2 6 71.67 1.66 1.3168 10 -5 3 6 72.08 1.09 1.3103 6 2 4 6 74.75 1.11 1.2699 6 -2 5 6 75.16 1.57 1.2641 10 -2 3 6 75.36 1.43 1.2613 8 4 1 6 77.84 1.31 1.2271 -2 9 4 6 78.58 3.00 1.2174 4 7 3 6 79.27 1.63 1.2085 4 8 2 6 79.62 1.84 1.2041 1 1 6 6 79.62 1.05 1.2041 2 -1 6 6 79.91 3.15 1.2004 2 10 1 6 80.11 2.53 1.1980 9 -1 4 6 81.24 2.44 1.1842 -4 10 4 6 82.70 1.03 1.1669 0 7 5 6 83.77 1.93 1.1546 12 -2 2 6 85.33 2.16 1.1375 -1 11 3 6 86.35 1.25 1.1267 5 -1 6 6 87.56 1.73 1.1142 9 3 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.