Willemite Simonov M A, Sandomirskii P A, Egorov-Tismenko Y K, Belov N V Doklady Akademii Nauk SSSR 237 (1977) 581-584 The crystal structure of willemite Zn2[SiO4] Locality: Franklin, New Jersey, USA _database_code_amcsd 0018743 CELL PARAMETERS: 13.9710 13.9710 9.3340 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1577.805 Density (g/cm3): 4.222 MAX. ABS. INTENSITY / VOLUME**2: 37.68021011 RIR: 2.906 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.67 22.64 6.9855 1 1 0 6 17.47 1.53 5.0766 0 2 1 6 20.40 4.20 4.3543 0 1 2 6 21.64 3.11 4.1067 2 1 1 6 21.64 9.00 4.1067 3 -1 1 6 22.04 28.15 4.0331 3 0 0 6 25.50 73.35 3.4927 2 2 0 6 27.30 1.95 3.2664 -1 3 2 6 27.30 2.51 3.2664 1 2 2 6 28.26 3.02 3.1578 1 3 1 6 28.26 2.15 3.1578 -1 4 1 6 31.48 43.98 2.8422 1 1 3 6 31.48 43.44 2.8422 2 -1 3 6 33.95 2.46 2.6403 1 4 0 6 33.95 97.54 2.6403 4 1 0 6 35.36 1.87 2.5383 0 4 2 6 38.76 27.62 2.3232 2 2 3 6 38.76 25.64 2.3232 4 -2 3 6 39.32 2.65 2.2913 1 0 4 6 40.62 1.96 2.2209 2 4 1 6 42.06 5.59 2.1482 5 0 2 6 43.54 1.05 2.0785 2 1 4 6 43.54 1.85 2.0785 3 -1 4 6 44.10 2.10 2.0533 6 -2 2 6 44.95 8.51 2.0165 6 0 0 6 45.03 1.14 2.0131 -1 5 3 6 46.07 3.06 1.9700 -1 6 2 6 46.69 1.50 1.9454 7 -3 1 6 46.89 10.00 1.9374 2 5 0 6 48.85 22.57 1.8642 6 -3 3 6 48.85 20.46 1.8642 3 3 3 6 49.83 1.87 1.8298 3 4 2 6 50.42 1.75 1.8101 1 6 1 6 52.98 2.51 1.7283 1 2 5 6 54.20 3.40 1.6922 0 6 3 6 54.20 3.94 1.6922 6 0 3 6 54.64 1.83 1.6797 0 5 4 6 55.66 1.50 1.6514 8 -2 1 6 55.66 1.62 1.6514 6 2 1 6 55.91 2.14 1.6446 2 5 3 6 55.91 1.74 1.6446 -2 7 3 6 55.91 2.44 1.6446 7 -2 3 6 55.91 1.77 1.6446 5 2 3 6 56.40 1.42 1.6314 4 -1 5 6 57.51 8.41 1.6026 1 7 0 6 57.51 4.96 1.6026 7 1 0 6 57.99 1.89 1.5903 5 1 4 6 59.41 12.83 1.5557 0 0 6 2 60.76 4.61 1.5244 3 6 0 6 60.76 3.92 1.5244 6 3 0 6 60.83 1.10 1.5229 8 -4 3 6 60.83 1.06 1.5229 4 4 3 6 65.52 1.89 1.4247 -1 8 3 6 65.52 17.17 1.4247 1 7 3 6 65.52 16.26 1.4247 8 -1 3 6 65.52 2.04 1.4247 7 1 3 6 65.71 2.95 1.4211 2 2 6 6 65.71 4.00 1.4211 4 -2 6 6 66.98 6.23 1.3971 5 5 0 6 68.55 9.15 1.3689 -3 9 3 6 68.55 9.57 1.3689 6 3 3 6 69.98 4.39 1.3444 9 0 0 6 70.22 8.73 1.3403 4 1 6 6 70.22 8.80 1.3403 -1 5 6 6 75.83 1.62 1.2546 7 4 0 6 77.49 1.49 1.2317 0 6 6 6 77.49 1.44 1.2317 6 0 6 6 78.75 1.26 1.2153 2 8 3 6 78.75 1.39 1.2153 10 -2 3 6 78.92 1.35 1.2130 7 -2 6 6 78.92 1.56 1.2130 2 5 6 6 82.99 3.14 1.1636 -4 11 3 6 82.99 2.89 1.1636 7 4 3 6 84.33 3.63 1.1484 10 1 0 6 87.36 1.10 1.1162 -1 8 6 6 87.36 1.68 1.1162 1 7 6 6 87.36 2.28 1.1162 8 -1 6 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.