ericssonite

== English == === Etymology === From Ericsson +‎ -ite. === Noun === ericssonite (uncountable) (mineralogy) A monoclinic-prismatic reddish black mineral containing barium, hydrogen, iron, manganese, oxygen, and silicon. ==== References ==== David Barthelmy (1997–2026), “Ericssonite”, in Webmineral Mineralogy Database.