data_global _chemical_name_mineral 'Ferronigerite-6N6S' loop_ _publ_author_name 'Armbruster T' 'Feenstra A' _journal_name_full 'European Journal of Mineralogy' _journal_volume 16 _journal_year 2004 _journal_page_first 247 _journal_page_last 254 _publ_section_title ; Lithium in nigerite-group minerals ; _database_code_amcsd 0007037 _chemical_compound_source 'abandoned tin mine Tsomtaub, between Omaruru and Uis, Namibia' _chemical_formula_sum '(Sn1.606 Ti.394) Al14.862 Li.66 Zn1.988 Fe1.95 Mn.06 Mg.24 O32 H2' _cell_length_a 5.7109 _cell_length_b 5.7109 _cell_length_c 55.373 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1564.004 _exptl_crystal_density_diffrn 4.386 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-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 SnM2 0.66667 0.33333 0.04650 0.80300 0.00464 TiM2 0.66667 0.33333 0.04650 0.19700 0.00464 AlM1 0.00000 0.50000 0.00000 0.70000 0.00773 LiM1 0.00000 0.50000 0.00000 0.22000 0.00773 AlT3 0.00000 0.00000 0.03071 0.69100 0.00608 ZnT3 0.00000 0.00000 0.03071 0.15300 0.00608 FeT3 0.00000 0.00000 0.03071 0.15100 0.00608 MnT3 0.00000 0.00000 0.03071 0.00500 0.00608 ZnT6 0.33333 0.66667 0.13506 0.49700 0.00686 FeT6 0.33333 0.66667 0.13506 0.48800 0.00686 MnT6 0.33333 0.66667 0.13506 0.01500 0.00686 AlT7 0.66667 0.33333 0.11293 0.19000 0.00646 MgT7 0.66667 0.33333 0.11293 0.12000 0.00646 ZnT7 0.66667 0.33333 0.11293 0.34400 0.00646 FeT7 0.66667 0.33333 0.11293 0.33600 0.00646 MnT7 0.66667 0.33333 0.11293 0.01000 0.00646 Al4 0.16890 0.33780 0.08217 1.00000 0.00557 Al5 0.00000 0.00000 0.12482 1.00000 0.00532 Al6 0.83333 0.16667 0.16667 1.00000 0.00519 O1 0.82320 0.17680 0.02089 1.00000 0.01507 O2 0.33333 0.66667 0.01728 1.00000 0.00735 H2 0.33333 0.66667 0.03500 1.00000 0.08004 O3 0.49500 0.50500 0.06496 1.00000 0.00798 O4 0.00000 0.00000 0.06435 1.00000 0.00773 O5 0.85230 0.14770 0.10302 1.00000 0.00912 O6 0.33333 0.66667 0.09993 1.00000 0.00709 O7 0.14750 0.29500 0.14720 1.00000 0.00646 O8 0.66667 0.33333 0.14836 1.00000 0.00583