ceylonite vs spinel

ceylonite and spinel both are nouns.

Word	Noun	Adjective	Verb	Adverb
ceylonite	Yes	No	No	No
spinel	Yes	No	No	No

As nouns, spinel is a hypernym of ceylonite; that is, spinel is a word with a broader meaning than ceylonite:

ceylonite: a dark-colored spinel containing iron
spinel: a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones

ceylonite (noun)	spinel (noun)
a dark-colored spinel containing iron	a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones