bastnaesite

== English == === Alternative forms === bastnasite, bastnäsite === Etymology === From Bastnäs +‎ -ite. Named after its type locality, the Bastnäs mine near Riddarhyttan, Västmanland, Sweden. === Noun === bastnaesite (countable and uncountable, plural bastnaesites) (mineralogy) A yellow-brown mineral that is a source of several rare earth metals, especially gadolinium, samarium, and neodymium. ==== Translations ====