Correct spelling for the English word "syepoorite" is [sˈɪɪpˌʊ͡əɹa͡ɪt], [sˈɪɪpˌʊəɹaɪt], [s_ˈɪ__ɪ_p_ˌʊə_ɹ_aɪ_t] (IPA phonetic alphabet).
A sulphuret of cobalt, of a steel-grey colour, found at Saipoor, in India-used by Indian jewellers to give a rose-colour to gold.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.