ɪt hɐz ˈeɪ "ɹˈɑːʔn̩ ˈɛɡ" ˈoʊdɚ kˌæɹɪktɚɹˈɪstɪk ʌv sˈʌlfɜː kˈɑːmpaʊndz, ænd pɹədˈuːsᵻz hˈaɪdɹədʒən sˈʌlfaɪd ɡˈæs wɛn ɹɪˈæktᵻd wɪð mˈɪnɚɹəl ˈæsɪdz.
It has a "rotten egg" odor characteristic of sulfur compounds, and produces hydrogen sulfide gas when reacted with mineral acids.