data_global _chemical_name_mineral 'Karenwebberite' loop_ _publ_author_name 'Vignola P' 'Hatert F' 'Fransolet A M' 'Mendenbach O' 'Diella V' 'Ando S' _journal_name_full 'American Mineralogist' _journal_volume 98 _journal_year 2013 _journal_page_first 767 _journal_page_last 772 _publ_section_title ; Karenwebberite, Na(Fe2+,Mn2+)PO4, a new member of the triphylite group from the Malpensata pegmatite, Lecco Province, Italy ; _database_code_amcsd 0019819 _chemical_compound_source 'the Malpensata pegmatite, Lecco Province, Italy' _chemical_formula_sum 'Na.68 (Fe.67 Mn.33) P O4' _cell_length_a 4.882 _cell_length_b 10.387 _cell_length_c 6.091 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 308.871 _exptl_crystal_density_diffrn 3.573 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-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 NaM1 0.00000 0.00000 0.00000 0.68000 0.01800 FeM2 0.98620 0.28270 0.25000 0.67000 0.01030 MnM2 0.98620 0.28270 0.25000 0.33000 0.01030 P 0.43340 0.10340 0.25000 1.00000 0.01220 O1 0.74400 0.11100 0.25000 1.00000 0.01900 O2 0.16600 0.46480 0.25000 1.00000 0.02000 O3 0.30300 0.17370 0.05200 1.00000 0.01900 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 NaM1 0.00800 0.02500 0.02100 0.00200 -0.00700 -0.00300 FeM2 0.01700 0.01000 0.00500 -0.00080 0.00000 0.00000 MnM2 0.01700 0.01000 0.00500 -0.00080 0.00000 0.00000 P 0.01700 0.01300 0.00700 0.00200 0.00000 0.00000 O1 0.01900 0.02400 0.01500 0.00600 0.00000 0.00000 O2 0.03700 0.01000 0.01300 -0.01100 0.00000 0.00000 O3 0.02600 0.02500 0.00500 0.00600 0.00000 0.00800