Kalsilite Cellai D, Bonazzi P, Carpenter M A American Mineralogist 82 (1997) 276-279 Natural kalsilite, KAlSiO4, with P31c symmetry: Crystal structure and twinning _database_code_amcsd 0001874 CELL PARAMETERS: 5.1570 5.1570 8.7060 90.000 90.000 120.000 SPACE GROUP: P31c X-RAY WAVELENGTH: 1.541838 Cell Volume: 200.513 Density (g/cm3): 2.619 MAX. ABS. INTENSITY / VOLUME**2: 17.52383540 RIR: 2.178 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.88 1.23 4.4661 1 0 0 6 20.40 14.57 4.3530 0 0 2 1 22.37 55.26 3.9737 1 0 1 6 28.64 100.00 3.1173 1 0 2 6 34.79 69.82 2.5785 1 1 0 3 36.94 11.31 2.4334 1 0 3 6 40.39 2.80 2.2330 2 0 0 6 40.67 10.11 2.2185 2 -1 2 3 40.67 11.55 2.2185 1 1 2 3 41.49 15.84 2.1765 0 0 4 1 41.76 7.90 2.1630 2 0 1 6 45.66 6.46 1.9869 2 0 2 6 46.41 2.58 1.9565 1 0 4 6 51.65 4.65 1.7697 2 0 3 6 55.23 3.47 1.6632 1 1 4 3 55.23 4.05 1.6632 2 -1 4 3 55.45 2.13 1.6572 3 -1 1 6 55.45 3.57 1.6572 2 1 1 6 56.75 10.54 1.6223 1 0 5 6 58.66 8.17 1.5738 3 -1 2 6 58.66 8.30 1.5738 2 1 2 6 59.29 5.36 1.5586 2 0 4 6 62.38 18.75 1.4887 3 0 0 6 63.79 2.12 1.4591 3 -1 3 6 63.79 3.12 1.4591 2 1 3 6 68.31 5.43 1.3731 2 0 5 6 70.61 1.30 1.3339 3 -1 4 6 70.61 1.20 1.3339 2 1 4 6 73.45 6.17 1.2893 2 2 0 3 75.13 5.80 1.2645 1 1 6 3 75.13 5.52 1.2645 2 -1 6 3 77.72 5.25 1.2288 3 0 4 6 79.00 3.68 1.2120 2 1 5 6 79.00 2.98 1.2120 3 -1 5 6 80.64 4.23 1.1914 4 -1 2 6 80.64 4.18 1.1914 3 1 2 6 85.17 1.18 1.1392 4 -1 3 6 85.17 1.21 1.1392 3 1 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.