gillulyite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. ? + -ite === Noun === gillulyite (mineralogy) A monoclinic-prismatic mineral containing antimony, arsenic, sulfur, and thallium. ==== References ==== David Barthelmy (1997–2026), “Gillulyite”, in Webmineral Mineralogy Database.