chrysolite vs transparent gem

chrysolite and transparent gem both are nouns.

Word	Noun	Adjective	Verb	Adverb
chrysolite	Yes	No	No	No
transparent gem	Yes	No	No	No

As nouns, transparent gem is a hypernym of chrysolite; that is, transparent gem is a word with a broader meaning than chrysolite:

chrysolite: a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone
transparent gem: a gemstone having the property of transmitting light without serious diffusion

Other hypernyms of chrysolite include olivine.

chrysolite (noun)	transparent gem (noun)
a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone	a gemstone having the property of transmitting light without serious diffusion