KAlSiO4 Dollase W A, Freeborn W P American Mineralogist 62 (1977) 336-340 The structure of KAlSiO4 with P6_3mc symmetry Note: natural sample of kalsilite was mixed with powdered KCl and heated, it tranformed to this phase Locality: Larvik, Norway _database_code_amcsd 0000574 CELL PARAMETERS: 5.1530 5.1530 8.6820 90.000 90.000 120.000 SPACE GROUP: P6_3mc X-RAY WAVELENGTH: 1.541838 Cell Volume: 199.651 Density (g/cm3): 2.630 MAX. ABS. INTENSITY / VOLUME**2: 20.19556414 RIR: 2.501 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.90 4.07 4.4626 1 0 0 6 22.40 100.00 3.9690 1 0 1 6 28.69 58.61 3.1117 1 0 2 6 34.82 79.18 2.5765 1 1 0 6 37.02 3.14 2.4281 1 0 3 6 40.72 12.64 2.2156 1 1 2 6 41.61 13.36 2.1705 0 0 4 1 41.80 12.36 2.1611 2 0 1 6 45.72 5.27 1.9845 2 0 2 6 46.53 1.29 1.9519 1 0 4 6 51.73 1.99 1.7671 2 0 3 6 55.34 8.41 1.6600 1 1 4 6 55.50 7.54 1.6558 2 1 1 12 56.90 12.73 1.6182 1 0 5 6 58.73 10.48 1.5722 2 1 2 12 59.41 2.69 1.5558 2 0 4 6 62.43 14.74 1.4875 3 0 0 6 63.88 2.75 1.4573 2 1 3 12 64.39 1.52 1.4470 0 0 6 1 68.47 5.86 1.3704 2 0 5 6 70.74 1.17 1.3318 2 1 4 12 73.51 5.75 1.2882 2 2 0 6 75.33 9.83 1.2616 1 1 6 6 77.85 3.86 1.2270 3 0 4 6 77.98 1.67 1.2253 3 1 1 12 79.17 6.57 1.2099 2 1 5 12 80.73 5.00 1.1903 3 1 2 12 85.29 1.58 1.1380 3 1 3 12 88.20 1.40 1.1078 2 2 4 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.