data_global _chemical_name_mineral 'Zincowoodwardite' loop_ _publ_author_name 'Witzke T' 'Raade G' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 2000 _journal_year 2000 _journal_page_first 455 _journal_page_last 465 _publ_section_title ; Zincowoodwardite, [Zn1-x Alx(OH)2][(SO4)x/2(H2O)n], a new mineral of the hydrotalcite group Note: polytype Zincowoodwardite-1T ; _database_code_amcsd 0014907 _chemical_compound_source 'Hilarion mine, Kamariza, near Laurion, Greece' _chemical_formula_sum '(Zn.625 Al.375) S.188 O2.686 H2.376' _cell_length_a 3.063 _cell_length_b 3.063 _cell_length_c 8.91 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 72.394 _exptl_crystal_density_diffrn 2.348 _symmetry_space_group_name_H-M 'P -3' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,-x+y,-z' '-x+y,-x,z' '-x,-y,-z' '-y,x-y,z' 'x-y,x,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Zn 0.00000 0.00000 0.00000 0.62500 Al 0.00000 0.00000 0.00000 0.37500 S 0.00000 0.00000 0.46400 0.09400 O-H1 0.33333 0.66667 0.11000 1.00000 O2 0.26730 -0.26730 0.42000 0.08300 Wat3 0.00000 0.00000 0.60000 0.09400