Correct spelling for the English word "stibiconise" is [stˈɪbɪkˌɒna͡ɪz], [stˈɪbɪkˌɒnaɪz], [s_t_ˈɪ_b_ɪ_k_ˌɒ_n_aɪ_z] (IPA phonetic alphabet).
A mineral of a yellow, grey, or brownish colour, occurring in earthy masses, soft and friable.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.