data_1010749 _chemical_name_systematic 'Nickel cobalt iron arsenic sulfide *' _chemical_name_mineral 'Gersdorffite' _chemical_compound_source 'from Sudbury, Ontario' _chemical_formula_structural '(Ni Co Fe) As S' _chemical_formula_sum 'As Co Fe Ni S' _publ_section_title ; Roentgenographic observations on ore minerals ; loop_ _publ_author_name 'Peacock, M A' 'Berry, L G' _journal_name_full ; University of Toronto Studies, Geological Series ; _journal_coden_ASTM UTSGAL _journal_volume 44 _journal_year 1940 _journal_page_first 47 _journal_page_last 69 _cell_length_a 5.593(5) _cell_length_b 5.593 _cell_length_c 5.593 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 175.0 _cell_formula_units_Z 0