vyacheslavite

== English == === Etymology === From Vyacheslav +‎ -ite, named after Russian mineralogist Vyacheslav Gavilovich Melkov. === Noun === vyacheslavite (mineralogy) An orthorhombic mineral containing hydrogen, oxygen, phosphorus, and uranium. ==== References ==== David Barthelmy (1997–2026), “Vyacheslavite”, in Webmineral Mineralogy Database.