data_global _chemical_name_mineral 'Nickelite' loop_ _publ_author_name 'Ondrus P' 'Veselovsky F' 'Gabasova A' 'Hlousek J' 'Srein V' 'Vavrnn I' 'Skala R' 'Sejkora J' 'Drabek M' _journal_name_full 'Journal of the Czech Geological Society' _journal_volume 48 _journal_year 2003 _journal_page_first 19 _journal_page_last 147 _publ_section_title ; Primary minerals of the Jachymov ore district Sample MP511 ; _database_code_amcsd 0017594 _chemical_compound_source 'Jachymov, Bohemia, Czech Republic' _chemical_formula_sum 'Ni.97 Co.01 As S.02' _cell_length_a 3.6190 _cell_length_b 3.6190 _cell_length_c 5.036 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 57.121 _exptl_crystal_density_diffrn 7.738 _symmetry_space_group_name_H-M 'P 63 m c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x-y,x,1/2+z' '-y,-x,z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x,-y,1/2+z' 'x,x-y,z' '-x+y,-x,z' 'y,x,1/2+z' 'y,-x+y,1/2+z' '-x+y,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ni 0.00000 0.00000 0.00000 0.97000 Co 0.00000 0.00000 0.00000 0.01000 As 0.33333 0.66667 0.25000 1.00000 S 0.33333 0.66667 0.25000 0.02000