fontanite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. ? + -ite === Noun === fontanite (mineralogy) A monoclinic-prismatic honey yellow mineral containing calcium, carbon, hydrogen, oxygen, and uranium. ==== References ==== David Barthelmy (1997–2026), “Fontanite”, in Webmineral Mineralogy Database.