giessenite

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