billietite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. ? + -ite === Noun === billietite (mineralogy) An orthorhombic-pyramidal mineral containing barium, hydrogen, oxygen, and uranium. ==== References ==== David Barthelmy (1997–2026), “Billietite”, in Webmineral Mineralogy Database.