Fairchildite Pertlik F Zeitschrift fur Kristallographie 157 (1981) 199-205 Structural investigations of synthetic fairchildite, K2Ca(CO3)2 Locality: synthetic Note: y(O1) changed to satisfy symmetry constraints _database_code_amcsd 0010845 CELL PARAMETERS: 5.2940 5.2940 13.3550 90.000 90.000 120.000 SPACE GROUP: P6_3/mmc X-RAY WAVELENGTH: 1.541838 Cell Volume: 324.147 Density (g/cm3): 2.441 MAX. ABS. INTENSITY / VOLUME**2: 13.92152312 RIR: 1.857 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.26 15.41 6.6775 0 0 2 2 19.36 7.91 4.5847 1 0 0 6 20.48 10.58 4.3363 1 0 1 12 26.70 7.57 3.3387 0 0 4 2 27.94 100.00 3.1938 1 0 3 12 33.19 29.59 2.6989 1 0 4 12 33.86 70.94 2.6470 1 1 0 6 39.03 1.78 2.3079 1 0 5 12 39.30 5.34 2.2924 2 0 0 6 39.90 5.87 2.2593 2 0 1 12 40.53 20.19 2.2258 0 0 6 2 41.66 27.31 2.1682 2 0 2 12 43.64 1.59 2.0742 1 1 4 12 44.45 22.00 2.0380 2 0 3 12 48.15 29.70 1.8898 2 0 4 12 51.91 4.08 1.7614 1 0 7 12 53.31 6.77 1.7185 2 1 1 24 53.81 17.84 1.7036 1 1 6 12 54.72 3.85 1.6773 2 1 2 24 55.01 3.37 1.6694 0 0 8 2 57.03 6.10 1.6148 2 1 3 24 57.73 1.82 1.5969 2 0 6 12 60.16 8.29 1.5380 2 1 4 24 60.59 6.65 1.5282 3 0 0 6 63.43 2.92 1.4664 2 0 7 12 66.18 2.90 1.4120 1 1 8 12 66.19 2.23 1.4118 1 0 9 12 69.68 2.23 1.3495 2 0 8 12 71.25 6.22 1.3235 2 2 0 6 72.86 1.14 1.2982 2 2 2 12 73.88 4.66 1.2827 2 1 7 24 73.92 1.14 1.2822 1 0 10 12 75.45 2.93 1.2599 3 0 6 12 76.22 1.42 1.2491 3 1 2 24 76.47 1.26 1.2457 2 0 9 12 78.18 6.34 1.2227 3 1 3 24 80.90 4.52 1.1883 3 1 4 24 83.84 3.06 1.1540 2 0 10 12 85.32 4.56 1.1376 2 2 6 12 86.30 1.51 1.1272 3 0 8 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.