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. Koashva, Khibina complex, Kola Peninsula, northwestern Russia
_database_code_amcsd 0006015
CELL PARAMETERS: 9.4853 9.4853 6.9862 90.000 90.000 120.000
SPACE GROUP: P6_3
X-RAY WAVELENGTH: 1.541838
Cell Volume: 544.344
Density (g/cm3): 3.639
MAX. ABS. INTENSITY / VOLUME**2: 26.99974636
RIR: 2.416
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
16.66 1.98 5.3218 1 0 1 6
18.71 1.38 4.7427 1 1 0 6
21.64 10.12 4.1073 2 0 0 6
25.50 31.68 3.4931 0 0 2 1
27.75 16.59 3.2145 1 0 2 6
28.75 3.04 3.1048 1 2 0 6
28.75 17.05 3.1048 2 1 0 6
31.53 32.75 2.8372 1 2 1 6
31.53 67.25 2.8372 2 1 1 6
31.82 41.51 2.8126 1 1 2 6
32.70 41.46 2.7382 3 0 0 6
33.68 9.19 2.6609 2 0 2 6
35.20 1.05 2.5494 3 0 1 6
39.56 12.16 2.2783 1 3 0 6
39.56 2.90 2.2783 3 1 0 6
40.16 1.94 2.2455 2 2 1 6
41.70 1.81 2.1660 1 3 1 6
41.70 1.03 2.1660 3 1 1 6
43.28 7.29 2.0903 1 1 3 6
44.10 3.22 2.0536 4 0 0 6
44.74 2.53 2.0258 2 0 3 6
46.27 22.31 1.9620 2 2 2 6
47.66 9.75 1.9083 1 3 2 6
47.66 3.48 1.9083 3 1 2 6
48.29 2.59 1.8845 2 3 0 6
48.89 23.02 1.8629 2 1 3 6
48.89 9.87 1.8629 1 2 3 6
50.14 6.77 1.8195 2 3 1 6
50.14 10.48 1.8195 3 2 1 6
50.94 8.14 1.7926 1 4 0 6
50.94 4.31 1.7926 4 1 0 6
51.63 16.14 1.7703 4 0 2 6
52.39 12.36 1.7465 0 0 4 1
55.40 2.02 1.6586 3 2 2 6
56.51 1.13 1.6285 3 1 3 6
59.55 3.56 1.5524 2 4 0 6
60.00 4.63 1.5419 3 3 1 6
60.85 2.05 1.5222 2 1 4 6
60.85 2.57 1.5222 1 2 4 6
61.16 1.56 1.5154 2 4 1 6
62.47 7.89 1.4867 5 0 2 6
63.00 1.46 1.4754 5 1 0 6
63.14 6.27 1.4725 3 0 4 6
63.50 1.04 1.4649 2 3 3 6
63.50 5.90 1.4649 3 2 3 6
64.56 1.14 1.4435 1 5 1 6
64.56 5.35 1.4435 5 1 1 6
64.72 2.55 1.4403 3 3 2 6
70.82 1.37 1.3305 4 0 4 6
71.10 2.64 1.3259 4 3 1 6
71.76 1.50 1.3154 5 2 0 6
73.22 1.80 1.2927 2 5 1 6
73.22 1.34 1.2927 5 2 1 6
73.29 2.30 1.2917 2 4 3 6
74.43 1.62 1.2747 6 0 2 6
74.46 3.66 1.2742 2 1 5 6
74.46 2.07 1.2742 1 2 5 6
75.47 1.19 1.2596 3 4 2 6
75.96 1.33 1.2527 6 1 0 6
76.09 1.91 1.2509 4 1 4 6
76.09 4.64 1.2509 1 4 4 6
76.42 3.35 1.2463 5 1 3 6
77.40 1.13 1.2330 6 1 1 6
77.55 4.81 1.2310 2 5 2 6
82.58 2.14 1.1682 4 3 3 6
82.92 1.23 1.1644 0 0 6 1
83.27 1.75 1.1603 2 4 4 6
83.27 1.50 1.1603 4 2 4 6
84.62 1.20 1.1453 2 5 3 6
85.96 2.95 1.1308 1 1 6 6
86.31 1.74 1.1271 5 1 4 6
86.76 1.17 1.1224 2 3 5 6
86.76 1.55 1.1224 3 2 5 6
87.74 1.03 1.1124 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.