data_global _chemical_name_mineral 'Stronadelphite' loop_ _publ_author_name 'Pekov I V' 'Britvin S N' 'Zubkova N V' 'Pushcharovsky D Y' 'Pasero M' 'Merlino S' _journal_name_full 'European Journal of Mineralogy' _journal_volume 22 _journal_year 2010 _journal_page_first 869 _journal_page_last 874 _publ_section_title ; Stronadelphite, Sr5(PO4)3F, a new apatite-group mineral in the southern part of the Khibiny alkaline complex, Kola peninsula, Russia ; _database_code_amcsd 0017880 _chemical_compound_source 'Belovitovoye pegmatite, Kirovskii apatite mine at Mt. Kukisvumchorr,' _chemical_formula_sum 'Sr4.8 Ca.2 P3 O12 F' _cell_length_a 9.845 _cell_length_b 9.845 _cell_length_c 7.383 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 619.719 _exptl_crystal_density_diffrn 3.925 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-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 SrM1 0.33333 0.66667 -0.00040 0.90000 0.02060 CaM1 0.33333 0.66667 -0.00040 0.10000 0.02060 SrM2 0.23930 -0.01470 0.25000 1.00000 0.02080 P 0.40050 0.36890 0.25000 1.00000 0.01650 O1 0.33260 0.48260 0.25000 1.00000 0.01800 O2 0.58040 0.46400 0.25000 1.00000 0.02800 O3 0.34550 0.26370 0.07970 1.00000 0.02800 F 0.00000 0.00000 0.25000 1.00000 0.07400