data_9001990 _chemical_name 'Haggertyite' loop_ _publ_author_name 'Grey I E' 'Velde D' 'Criddle A J' _journal_name_full "American Mineralogist" _journal_volume 83 _journal_year 1998 _journal_page_first 1323 _journal_page_last 1329 _publ_section_title ; Haggertyite, a new magnetoplumbite-type titanate mineral from the Prairie Creek (Arkansas) lamproite ; _chemical_formula_sum '(Ba.69 K.31) Fe5.86 Ti5.42 Mg.72 O19' _cell_length_a 5.9369 _cell_length_b 5.9369 _cell_length_c 23.3445 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 712.582 _symmetry_space_group_name_H-M 'P 63/m m c' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x,x-y,1/2-z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x+y,y,1/2-z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,-x,1/2-z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x+y,y,z' 'x-y,-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_Uiso_or_equiv BaA 0.33333 0.66667 0.75000 0.69000 0.01360 KA 0.33333 0.66667 0.75000 0.31000 0.01360 Fe1 0.00000 0.00000 0.00000 0.38000 0.01090 Ti1 0.00000 0.00000 0.00000 0.56000 0.01090 Mg1 0.00000 0.00000 0.00000 0.06000 0.01090 Fe2 0.00000 0.00000 0.25860 0.38000 0.01010 Ti2 0.00000 0.00000 0.25860 0.09000 0.01010 Mg2 0.00000 0.00000 0.25860 0.03000 0.01010 Fe3 0.33333 0.66667 0.02658 0.72000 0.01310 Ti3 0.33333 0.66667 0.02658 0.22000 0.01310 Mg3 0.33333 0.66667 0.02658 0.06000 0.01310 Fe4 0.33333 0.66667 0.19034 0.32000 0.01150 Ti4 0.33333 0.66667 0.19034 0.62000 0.01150 Mg4 0.33333 0.66667 0.19034 0.06000 0.01150 Fe5 0.16780 0.33561 0.89243 0.44000 0.01130 Ti5 0.16780 0.33561 0.89243 0.50000 0.01130 Mg5 0.16780 0.33561 0.89243 0.06000 0.01130 O1 0.00000 0.00000 0.15230 1.00000 0.01700 O2 0.33333 0.66667 0.94080 1.00000 0.01400 O3 0.18410 0.36820 0.25000 1.00000 0.01400 O4 0.14950 0.29890 0.05290 1.00000 0.01200 O5 0.49980 0.99960 0.15040 1.00000 0.01300