ammonioalunite

== English == === Etymology === From ammonio- +‎ alunite. === Noun === ammonioalunite (mineralogy) A trigonal-hexagonal scalenohedral mineral containing aluminum, hydrogen, nitrogen, oxygen, and sulfur. ==== References ==== David Barthelmy (1997–2026), “Ammonioalunite”, in Webmineral Mineralogy Database.