Calciotantite Yamnova N A, Pushcharovsky D Yu, Voloshin A V Soviet Physics Crystallography 33 (1988) 498-499 Identity of ungursaite with calciotantite and synthetic CaTa4O11 Locality: Kola Peninsula, Russia Note: displacement parameters taken from ICSD _database_code_amcsd 0015587 CELL PARAMETERS: 6.2450 6.2450 12.3230 90.000 90.000 120.000 SPACE GROUP: P6_322 X-RAY WAVELENGTH: 1.541838 Cell Volume: 416.209 Density (g/cm3): 7.381 MAX. ABS. INTENSITY / VOLUME**2: 205.1803054 RIR: 9.052 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.38 60.46 6.1615 0 0 2 2 16.39 30.13 5.4083 1 0 0 6 17.91 22.52 4.9524 1 0 1 12 21.87 4.85 4.0646 1 0 2 12 27.26 8.60 3.2711 1 0 3 12 28.59 1.35 3.1225 1 1 0 6 28.98 46.55 3.0807 0 0 4 2 29.51 100.00 3.0268 1 1 1 12 32.14 74.95 2.7853 1 1 2 12 33.48 5.64 2.6769 1 0 4 12 33.94 2.80 2.6413 2 0 1 12 36.13 37.10 2.4858 1 1 3 12 36.28 7.42 2.4762 2 0 2 12 39.91 3.57 2.2587 2 0 3 12 44.09 5.99 2.0538 0 0 6 2 44.31 2.50 2.0442 2 1 0 12 44.95 11.36 2.0166 2 1 1 12 46.82 2.17 1.9402 2 1 2 12 46.97 25.88 1.9346 1 1 5 12 49.83 6.96 1.8301 2 1 3 12 50.08 1.15 1.8216 2 0 5 12 50.63 32.03 1.8028 3 0 0 6 52.92 9.91 1.7302 3 0 2 12 53.39 23.05 1.7159 1 1 6 12 53.82 2.54 1.7033 2 1 4 12 54.84 1.37 1.6740 1 0 7 12 56.24 4.05 1.6356 2 0 6 12 58.68 5.16 1.5734 2 1 5 12 59.40 34.23 1.5560 3 0 4 12 59.70 12.38 1.5489 2 2 1 12 60.06 6.64 1.5404 0 0 8 2 60.36 14.29 1.5335 1 1 7 12 61.25 11.14 1.5134 2 2 2 12 61.85 3.50 1.5000 3 1 0 12 62.36 5.09 1.4890 3 1 1 12 62.72 1.03 1.4815 1 0 8 12 63.01 1.10 1.4753 2 0 7 12 63.77 9.72 1.4594 2 2 3 12 66.34 2.80 1.4090 3 1 3 12 69.36 4.70 1.3549 3 0 6 12 69.52 1.32 1.3521 4 0 0 6 69.73 3.49 1.3486 3 1 4 12 70.61 4.02 1.3339 2 1 7 12 71.54 7.12 1.3189 2 2 5 12 73.98 2.17 1.2813 3 1 5 12 75.87 5.28 1.2540 1 1 9 12 76.67 6.48 1.2429 2 2 6 12 77.02 1.39 1.2381 4 0 4 12 78.66 1.21 1.2163 3 2 2 12 82.02 2.59 1.1748 4 1 1 12 82.34 13.23 1.1711 3 0 8 12 82.60 4.93 1.1681 2 2 7 12 83.38 2.76 1.1591 4 1 2 12 84.53 5.39 1.1463 1 1 10 12 84.94 2.30 1.1417 3 1 7 12 85.32 1.10 1.1376 2 1 9 12 85.63 2.52 1.1343 4 1 3 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.