freudenbergite

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