atomic number 60 vs bastnaesite

atomic number 60 and bastnaesite both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 60	Yes	No	No	No
bastnaesite	Yes	No	No	No

atomic number 60 (noun)	bastnaesite (noun)
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium	a yellow-to-brown mineral that is a source of rare earth elements