Fluorcaphite
Chakhmouradian A R, Hughes J M, Rakovan J F
The Canadian Mineralogist 43 (2005) 735-746
Fluorcaphite, a second occurrence and detailed structural analysis:
Simultaneous accommodation of Ca, Sr, Na, LREE in the apatite atomic arrangement
Sample: Mt. Selsurt, Lovozero, Russia
_database_code_amcsd 0006014
CELL PARAMETERS: 9.4456 9.4456 6.9520 90.000 90.000 120.000
SPACE GROUP: P6_3
X-RAY WAVELENGTH: 1.541838
Cell Volume: 537.155
Density (g/cm3): 3.753
MAX. ABS. INTENSITY / VOLUME**2: 29.85377922
RIR: 2.590
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
16.74 1.35 5.2974 1 0 1 6
18.79 1.54 4.7228 1 1 0 6
21.73 9.83 4.0901 2 0 0 6
22.76 1.14 3.9066 1 1 1 6
25.63 31.61 3.4760 0 0 2 1
27.89 17.03 3.1991 1 0 2 6
28.88 16.25 3.0918 2 1 0 6
28.88 3.14 3.0918 1 2 0 6
31.67 66.83 2.8250 2 1 1 6
31.67 33.17 2.8250 1 2 1 6
31.97 37.88 2.7995 1 1 2 6
32.85 38.42 2.7267 3 0 0 6
33.84 8.01 2.6487 2 0 2 6
38.99 1.07 2.3102 1 2 2 6
39.73 11.74 2.2688 1 3 0 6
39.73 2.39 2.2688 3 1 0 6
40.34 2.14 2.2359 2 2 1 6
41.89 1.51 2.1568 1 3 1 6
41.89 1.04 2.1568 3 1 1 6
43.50 7.53 2.0804 1 1 3 6
44.29 3.72 2.0450 4 0 0 6
44.96 2.40 2.0162 2 0 3 6
46.49 21.01 1.9533 2 2 2 6
47.88 9.31 1.8999 1 3 2 6
47.88 3.59 1.8999 3 1 2 6
48.51 2.46 1.8767 2 3 0 6
49.13 22.44 1.8543 2 1 3 6
49.13 10.22 1.8543 1 2 3 6
50.36 6.95 1.8118 2 3 1 6
50.36 10.15 1.8118 3 2 1 6
51.17 8.03 1.7851 1 4 0 6
51.17 4.43 1.7851 4 1 0 6
51.87 16.65 1.7626 4 0 2 6
52.66 12.03 1.7380 0 0 4 1
55.66 1.87 1.6514 3 2 2 6
59.83 3.32 1.5459 2 4 0 6
60.28 5.00 1.5354 3 3 1 6
61.17 1.98 1.5150 2 1 4 6
61.17 2.50 1.5150 1 2 4 6
61.44 1.31 1.5090 2 4 1 6
62.77 8.18 1.4803 5 0 2 6
63.30 1.31 1.4692 5 1 0 6
63.47 5.93 1.4656 3 0 4 6
63.82 1.09 1.4584 2 3 3 6
63.82 5.88 1.4584 3 2 3 6
64.87 1.17 1.4374 1 5 1 6
64.87 5.15 1.4374 5 1 1 6
65.04 2.52 1.4340 3 3 2 6
71.20 1.61 1.3243 4 0 4 6
71.45 2.54 1.3203 4 3 1 6
72.11 1.34 1.3099 5 2 0 6
72.60 1.09 1.3022 3 3 3 6
73.58 1.87 1.2872 2 5 1 6
73.58 1.44 1.2872 5 2 1 6
73.66 1.98 1.2860 2 4 3 6
74.80 1.49 1.2692 6 0 2 6
74.88 3.76 1.2681 2 1 5 6
74.88 2.09 1.2681 1 2 5 6
75.85 1.15 1.2542 3 4 2 6
76.34 1.30 1.2475 6 1 0 6
76.50 2.02 1.2453 4 1 4 6
76.50 4.65 1.2453 1 4 4 6
76.82 3.19 1.2408 5 1 3 6
77.79 1.28 1.2278 6 1 1 6
77.95 4.59 1.2257 2 5 2 6
83.03 2.10 1.1631 4 3 3 6
83.42 1.26 1.1587 0 0 6 1
83.74 1.64 1.1551 2 4 4 6
83.74 1.44 1.1551 4 2 4 6
85.07 1.05 1.1403 5 2 3 6
85.07 1.25 1.1403 2 5 3 6
86.48 2.76 1.1253 1 1 6 6
86.80 1.59 1.1220 5 1 4 6
87.27 1.50 1.1172 3 2 5 6
87.27 1.25 1.1172 2 3 5 6
88.21 1.01 1.1077 5 3 2 6
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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.