polkovicite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. ? + -ite === Noun === polkovicite (mineralogy) An isometric-hexoctahedral brownish gray mineral containing germanium, iron, lead, and sulfur. ==== References ==== David Barthelmy (1997–2026), “Polkovicite”, in Webmineral Mineralogy Database.