cairngorm vs quartz

cairngorm and quartz both are nouns.

Word	Noun	Adjective	Verb	Adverb
cairngorm	Yes	No	No	No
quartz	Yes	No	No	No

As nouns, quartz is a hypernym of cairngorm; that is, quartz is a word with a broader meaning than cairngorm:

cairngorm: a smoky yellow or brown quartz
quartz: a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

cairngorm (noun)	quartz (noun)
a smoky yellow or brown quartz	a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
	colorless glass made of almost pure silica