armangite

== English == === Etymology === Blend of arsenic +‎ manganese +‎ -ite === Noun === armangite (mineralogy) A trigonal-rhombohedral black mineral containing arsenic, carbon, hydrogen, manganese, and oxygen. ==== References ==== David Barthelmy (1997–2026), “Armangite”, in Webmineral Mineralogy Database. === Anagrams === marginate