Trikalsilite Bonaccorsi E, Merlino S, Pasero M Neues Jahrbuch fur Mineralogie, Monatshefte 1988 (1988) 559-567 Trikalsilite: its structural relationships with nepheline and tetraskalsilite Locality: Near Mt. Nyiragongo, Virunga volcanic field, North Kivu, Zaire _database_code_amcsd 0014833 CELL PARAMETERS: 15.3390 15.3390 8.5010 90.000 90.000 120.000 SPACE GROUP: P6_3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1732.187 Density (g/cm3): 2.636 MAX. ABS. INTENSITY / VOLUME**2: 12.63042472 RIR: 1.560 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.05 4.43 4.4280 3 0 0 6 20.54 1.19 4.3231 1 2 1 6 20.90 21.82 4.2505 0 0 2 1 22.64 56.55 3.9272 3 0 1 6 24.16 3.20 3.6843 1 3 0 6 24.16 2.00 3.6843 3 1 0 6 26.36 7.96 3.3805 1 3 1 6 26.36 3.67 3.3805 3 1 1 6 26.85 1.76 3.3210 4 0 0 6 27.49 1.48 3.2441 1 2 2 6 29.12 100.00 3.0664 3 0 2 6 29.31 20.67 3.0476 3 2 0 6 30.85 2.24 2.8988 1 4 0 6 30.85 4.93 2.8988 4 1 0 6 31.18 2.48 2.8688 2 3 1 6 31.42 1.95 2.8472 2 2 2 6 32.15 4.54 2.7840 1 3 2 6 32.15 4.13 2.7840 3 1 2 6 33.74 3.46 2.6568 5 0 0 6 35.10 30.69 2.5565 3 3 0 6 35.40 3.09 2.5358 5 0 1 6 35.77 1.75 2.5104 2 4 0 6 36.27 3.39 2.4767 3 2 2 6 36.41 2.40 2.4678 2 1 3 6 37.35 1.10 2.4076 2 4 1 6 37.35 6.48 2.4076 4 2 1 6 37.69 20.51 2.3868 3 0 3 6 39.22 5.33 2.2971 1 5 1 6 39.22 1.70 2.2971 5 1 1 6 39.54 1.22 2.2790 2 2 3 6 40.15 1.19 2.2462 1 3 3 6 40.75 4.40 2.2140 6 0 0 6 41.21 3.74 2.1908 3 3 2 6 41.34 6.52 2.1839 4 3 0 6 41.79 6.50 2.1616 4 2 2 6 42.18 2.58 2.1425 6 0 1 6 42.50 1.46 2.1271 5 2 0 6 42.54 12.42 2.1253 0 0 4 1 43.87 1.33 2.0635 2 5 1 6 46.23 3.71 1.9636 6 0 2 6 46.77 1.35 1.9425 4 3 2 6 47.45 3.18 1.9160 3 0 4 6 49.48 1.19 1.8422 6 2 0 6 50.71 1.61 1.8004 2 6 1 6 52.35 1.33 1.7478 4 4 2 6 52.45 3.51 1.7446 6 0 3 6 52.49 1.25 1.7432 3 2 4 6 53.16 1.53 1.7230 7 1 1 6 53.89 1.50 1.7012 2 5 3 6 54.27 1.71 1.6902 6 2 2 6 55.78 2.81 1.6480 1 6 3 6 55.78 1.07 1.6480 6 1 3 6 56.29 1.78 1.6343 3 3 4 6 56.46 1.47 1.6297 8 0 1 6 56.61 1.46 1.6257 7 1 2 6 57.84 1.59 1.5941 7 2 1 6 58.12 10.45 1.5872 3 0 5 6 58.54 2.34 1.5768 3 5 3 6 58.54 1.52 1.5768 5 3 3 6 59.35 3.94 1.5573 3 6 2 6 59.35 1.67 1.5573 6 3 2 6 59.45 2.97 1.5548 1 8 0 6 59.89 1.34 1.5445 6 2 3 6 60.37 2.83 1.5332 6 0 4 6 62.97 3.16 1.4760 9 0 0 6 63.83 5.44 1.4583 4 5 3 6 64.27 4.74 1.4494 2 8 0 6 64.59 1.70 1.4428 5 5 2 6 65.93 1.78 1.4168 0 0 6 1 66.41 1.26 1.4077 4 2 5 6 67.23 1.30 1.3925 1 9 0 6 67.67 1.56 1.3846 1 5 5 6 68.06 2.10 1.3775 7 4 0 6 69.74 2.16 1.3485 6 0 5 6 74.59 1.69 1.2724 7 5 0 6 75.78 1.09 1.2552 4 8 0 6 76.94 4.39 1.2392 3 3 6 6 77.33 1.50 1.2339 4 2 6 6 78.18 1.23 1.2227 7 1 5 6 78.98 1.11 1.2123 9 0 4 6 79.25 1.99 1.2088 10 1 2 6 79.64 2.57 1.2038 4 8 2 6 85.59 1.01 1.1347 4 6 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.