bannermanite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. ? + -ite === Noun === bannermanite (mineralogy) A monoclinic-prismatic black mineral containing oxygen, potassium, sodium, and vanadium. ==== References ==== David Barthelmy (1997–2026), “Bannermanite”, in Webmineral Mineralogy Database.