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
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.