lazuline vs sapphire

lazuline and sapphire both are nouns.

Word	Noun	Adjective	Verb	Adverb
lazuline	Yes	No	No	No
sapphire	Yes	Yes	No	No

As nouns, lazuline and sapphire are synonyms defined as:

Other synonyms of lazuline include azure, cerulean, sky-blue.

lazuline (noun)	sapphire (noun)
a light shade of blue	a light shade of blue
	a transparent piece of sapphire that has been cut and polished and is valued as a precious gem
	a precious transparent stone of rich blue corundum valued as a gemstone

lazuline (adjective)	sapphire (adjective)
	of something having the color of a blue sapphire