data_global
_chemical_name_mineral 'Fluorcaphite'
loop_
_publ_author_name
'Chakhmouradian A R'
'Hughes J M'
'Rakovan J F'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 43 
_journal_year 2005
_journal_page_first 735
_journal_page_last 746
_publ_section_title
;
 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
_chemical_formula_sum 'Ca3.295 Sr1.044 Na.195 La.175 Ce.185 Nd.066 Pr.04 P3 O12.251 (F.749 H.251)'
_cell_length_a 9.4853
_cell_length_b 9.4853
_cell_length_c 6.9862
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 544.344
_exptl_crystal_density_diffrn      3.641
_symmetry_space_group_name_H-M 'P 63'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x-y,x,1/2+z'
  '-y,x-y,z'
  '-x,-y,1/2+z'
  '-x+y,-x,z'
  'y,-x+y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca1   0.66667   0.33333  -0.00170   0.58500   0.01480
Sr1   0.66667   0.33333  -0.00170   0.21000   0.01480
Na1   0.66667   0.33333  -0.00170   0.19500   0.01480
La1   0.66667   0.33333  -0.00170   0.01000   0.01480
Ca1*   0.66667   0.33333   0.50130   0.88000   0.01240
Ce1*   0.66667   0.33333   0.50130   0.06500   0.01240
Nd1*   0.66667   0.33333   0.50130   0.01500   0.01240
Pr1*   0.66667   0.33333   0.50130   0.04000   0.01240
Sr2   0.76099   0.01279   0.25000   0.27800   0.01182
Ca2   0.76099   0.01279   0.25000   0.61000   0.01182
La2   0.76099   0.01279   0.25000   0.05500   0.01182
Ce2   0.76099   0.01279   0.25000   0.04000   0.01182
Nd2   0.76099   0.01279   0.25000   0.01700   0.01182
P   0.60118  -0.36967   0.25220   1.00000   0.01020
O1   0.84410   0.32860   0.25610   1.00000   0.01760
O2   0.41430  -0.46540   0.24930   1.00000   0.02210
O3   0.65180  -0.26080   0.07260   1.00000   0.02000
O3*   0.66650  -0.25560   0.42500   1.00000   0.03000
F   0.00000   0.00000   0.24600   0.74900   0.05200
O-H   0.00000   0.00000   0.24600   0.25100   0.05200