garnet vs andradite

garnet and andradite both are nouns.

Word	Noun	Adjective	Verb	Adverb
garnet	Yes	No	No	No
andradite	Yes	No	No	No

As nouns, andradite is a hyponym of garnet; that is, andradite is a word with a more specific, narrower meaning than garnet:

garnet: any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive
andradite: a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone

Other hyponyms of garnet include almandine, almandite, carbuncle, cinnamon stone, essonite, hessonite, pyrope, rhodolite.

garnet (noun)	andradite (noun)
any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive	a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone