Ekatite Keller P European Journal of Mineralogy 13 (2001) 769-777 Ekatite, (Fe3+,Fe2+,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2, a new mineral from Tsumeb, Namibia, and its crystal structure Locality: Tsumeb, Namibia _database_code_amcsd 0006895 CELL PARAMETERS: 12.7730 12.7730 5.0510 90.000 90.000 120.000 SPACE GROUP: P6_3mc X-RAY WAVELENGTH: 1.541838 Cell Volume: 713.664 Density (g/cm3): 3.053 MAX. ABS. INTENSITY / VOLUME**2: 26.02884516 RIR: 2.776 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.99 100.00 11.0617 1 0 0 6 13.87 30.02 6.3865 1 1 0 6 19.32 22.01 4.5947 1 0 1 6 23.86 19.00 3.7297 2 0 1 6 24.14 10.30 3.6872 3 0 0 6 27.70 71.58 3.2207 2 1 1 12 27.94 11.91 3.1932 2 2 0 6 30.00 3.30 2.9781 3 0 1 6 32.37 17.13 2.7654 4 0 0 6 34.20 10.24 2.6222 3 1 1 12 35.55 4.56 2.5255 0 0 2 1 37.06 31.65 2.4257 4 0 1 6 37.25 5.67 2.4139 4 1 0 12 38.33 9.48 2.3485 1 1 2 6 39.21 2.68 2.2973 2 0 2 6 39.75 8.44 2.2676 3 2 1 12 40.79 2.73 2.2123 5 0 0 6 41.46 6.07 2.1779 4 1 1 12 41.79 1.38 2.1617 2 1 2 12 43.43 5.33 2.0836 3 0 2 6 45.81 2.54 1.9809 2 2 2 6 46.58 1.00 1.9498 3 1 2 12 47.05 8.37 1.9316 4 2 1 12 48.84 5.54 1.8649 4 0 2 6 49.29 6.91 1.8489 5 1 1 12 50.16 2.02 1.8185 4 3 0 12 51.02 20.16 1.7901 3 2 2 12 51.60 1.03 1.7713 5 2 0 12 52.44 1.51 1.7450 4 1 2 12 52.86 2.80 1.7319 6 0 1 6 53.56 3.11 1.7110 4 3 1 12 54.39 1.43 1.6869 6 1 0 12 54.93 7.19 1.6715 5 2 1 12 55.18 1.38 1.6645 1 0 3 6 55.19 1.13 1.6641 5 0 2 6 56.54 3.91 1.6277 3 3 2 6 57.61 4.14 1.6000 6 1 1 12 57.74 7.84 1.5966 4 4 0 6 58.40 3.18 1.5802 5 3 0 12 59.16 4.04 1.5618 2 1 3 12 61.48 5.37 1.5082 5 3 1 12 62.36 1.24 1.4891 6 0 2 6 62.97 4.84 1.4760 3 1 3 12 63.37 2.22 1.4678 6 2 1 12 63.49 4.45 1.4652 7 1 0 12 64.23 8.17 1.4502 5 2 2 12 64.83 13.00 1.4381 4 0 3 6 66.68 3.49 1.4028 6 1 2 12 68.85 1.15 1.3637 5 4 1 12 69.67 3.05 1.3495 4 4 2 6 70.04 1.13 1.3434 6 3 1 12 70.25 1.12 1.3398 5 0 3 6 70.27 1.74 1.3396 7 0 2 6 70.63 3.11 1.3336 8 0 1 6 72.39 5.34 1.3055 7 2 1 12 74.25 2.57 1.2773 5 5 0 6 75.25 1.20 1.2628 0 0 4 1 75.86 1.52 1.2541 8 1 1 12 78.37 1.36 1.2202 6 3 2 12 83.99 1.49 1.1522 5 3 3 12 84.31 1.30 1.1487 4 0 4 6 85.68 2.08 1.1338 6 4 2 12 85.99 1.09 1.1305 3 2 4 12 87.10 1.37 1.1189 4 1 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.