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
9.4456 9.4456 6.9520 90 90 120 P6_3
atom x y z occ Uiso
Ca1 2/3 1/3 .0000 .480 .0147
Sr1 2/3 1/3 .0000 .115 .0147
Na1 2/3 1/3 .0000 .290 .0147
Ce1 2/3 1/3 .0000 .110 .0147
La1 2/3 1/3 .0000 .005 .0147
Ca1' 2/3 1/3 .5013 .575 .0114
Na1' 2/3 1/3 .5013 .295 .0114
Ce1' 2/3 1/3 .5013 .110 .0114
Nd1' 2/3 1/3 .5013 .020 .0114
Sr2 .76156 .01185 .25 .492 .01133
Ca2 .76156 .01185 .25 .465 .01133
La2 .76156 .01185 .25 .043 .01133
P .60116 -.36970 .2522 .00992
O1 .84353 .32851 .2549 .0167
O2 .41362 -.46562 .2537 .0197
O3 .6532 -.2591 .0736 .0206
O3' .6651 -.2573 .4271 .0244
F 0 0 .248 .958 .0372
OH 0 0 .248 .042 .0372
Download AMC data (View Text File ) Download CIF data (View Text File ) Download diffraction data (View Text File ) View JMOL 3-D Structure (permalink )
 
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
9.4853 9.4853 6.9862 90 90 120 P6_3
atom x y z occ Uiso
Ca1 2/3 1/3 -.0017 .585 .0148
Sr1 2/3 1/3 -.0017 .210 .0148
Na1 2/3 1/3 -.0017 .195 .0148
La1 2/3 1/3 -.0017 .010 .0148
Ca1' 2/3 1/3 .5013 .880 .0124
Ce1' 2/3 1/3 .5013 .065 .0124
Nd1' 2/3 1/3 .5013 .015 .0124
Pr1' 2/3 1/3 .5013 .040 .0124
Sr2 .76099 .01279 .25 .278 .01182
Ca2 .76099 .01279 .25 .610 .01182
La2 .76099 .01279 .25 .055 .01182
Ce2 .76099 .01279 .25 .040 .01182
Nd2 .76099 .01279 .25 .017 .01182
P .60118 -.36967 .2522 .0102
O1 .8441 .3286 .2561 .0176
O2 .4143 -.4654 .2493 .0221
O3 .6518 -.2608 .0726 .020
O3' .6665 -.2556 .4250 .030
F 0 0 .246 .749 .052
OH 0 0 .246 .251 .052
Download AMC data (View Text File ) Download CIF data (View Text File ) Download diffraction data (View Text File ) View JMOL 3-D Structure (permalink )
 
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