Sejkoraite-(Y) Plasil J, Dusek M, Novak M, Cejka J, Cisarova I, Skoda R American Mineralogist 96 (2011) 983-991 Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jachymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement Locality: Cervena vein, Jachymov (Street Joachimsthal) ore district, Western Bohemia, Czech Republic _database_code_amcsd 0018390 CELL PARAMETERS: 14.0743 17.4174 17.7062 75.933 128.001 74.419 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2776.985 Density (g/cm3): 4.080 MAX. ABS. INTENSITY / VOLUME**2: 144.0766776 RIR: 11.498 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.04 1.60 10.9972 1 1 0 2 9.53 100.00 9.2830 1 0 0 2 10.40 7.56 8.5055 -1 0 2 2 13.11 10.83 6.7522 -2 0 2 2 13.99 1.61 6.3320 -1 1 0 2 14.54 1.11 6.0920 -2 0 1 2 15.07 5.93 5.8802 0 0 2 2 17.78 2.83 4.9892 0 -2 1 2 19.12 29.26 4.6415 2 0 0 2 20.50 1.47 4.3334 -3 0 2 2 20.74 2.84 4.2819 -3 -2 1 2 20.89 5.32 4.2528 -2 0 4 2 21.24 2.43 4.1826 0 4 2 2 21.45 4.11 4.1428 1 4 0 2 21.72 1.55 4.0915 2 4 0 2 21.75 2.42 4.0856 -3 0 4 2 22.16 3.53 4.0121 1 4 2 2 23.06 1.01 3.8568 1 0 2 2 23.08 1.06 3.8533 -2 2 1 2 24.19 1.62 3.6790 -1 0 4 2 24.44 2.26 3.6416 -1 4 2 2 25.19 1.24 3.5354 0 4 0 2 25.48 1.23 3.4964 1 -2 1 2 25.77 15.22 3.4565 -1 4 4 2 25.89 1.64 3.4419 3 4 0 2 25.89 1.08 3.4415 3 1 0 2 25.98 14.48 3.4301 -3 -4 2 2 26.29 11.53 3.3900 -2 -4 2 2 26.40 1.55 3.3761 -4 0 4 2 27.07 9.81 3.2941 0 4 4 2 28.00 9.23 3.1870 -2 4 4 2 28.85 5.40 3.0943 3 0 0 2 29.10 8.26 3.0689 -4 -4 2 2 29.32 1.31 3.0460 -4 0 2 2 29.94 8.23 2.9847 -1 -4 2 2 30.40 1.23 2.9401 0 0 4 2 31.48 6.83 2.8418 1 4 4 2 31.56 8.19 2.8352 -3 0 6 2 31.70 7.99 2.8225 -4 0 6 2 33.09 4.81 2.7075 -3 4 4 2 34.32 4.13 2.6127 -2 0 6 2 34.73 3.17 2.5832 -5 0 6 2 34.81 2.50 2.5771 -5 -4 2 2 36.00 1.86 2.4946 0 -4 2 2 38.04 1.06 2.3656 2 4 4 2 39.46 2.43 2.2835 -1 0 6 2 40.06 3.21 2.2507 -6 0 6 2 40.08 1.18 2.2497 -4 4 4 2 41.57 4.22 2.1726 2 8 2 2 42.10 3.60 2.1465 1 8 2 2 42.21 1.07 2.1409 -6 -4 2 2 42.24 1.41 2.1396 -5 -4 6 2 42.37 1.36 2.1334 -3 4 8 2 42.84 1.03 2.1110 3 8 0 2 43.15 1.05 2.0966 -4 4 8 2 43.39 1.82 2.0856 3 8 2 2 43.63 1.11 2.0746 1 -4 2 2 44.90 1.69 2.0186 0 8 2 2 45.99 1.36 1.9734 3 4 4 2 46.32 1.22 1.9601 0 0 6 2 47.33 1.84 1.9205 4 8 2 2 48.33 1.05 1.8832 -5 4 4 2 49.69 1.45 1.8349 -1 8 2 2 52.28 1.59 1.7497 -6 -4 8 2 52.50 1.18 1.7429 -4 4 10 2 52.78 1.98 1.7344 -5 -8 4 2 52.87 1.76 1.7317 -5 4 10 2 52.98 1.98 1.7282 -2 8 8 2 53.20 1.41 1.7217 -7 -4 8 2 53.35 1.27 1.7172 -5 -4 8 2 53.42 1.35 1.7151 -6 -8 4 2 53.44 1.26 1.7147 -1 8 8 2 54.11 1.21 1.6950 -4 -8 4 2 54.11 1.36 1.6948 -3 4 10 2 54.50 1.06 1.6838 -3 8 8 2 55.82 1.10 1.6470 0 8 8 2 56.33 1.03 1.6333 -4 -4 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.