chalcanthite vs cupric sulphate

chalcanthite and cupric sulphate both are nouns.

Word	Noun	Adjective	Verb	Adverb
chalcanthite	Yes	No	No	No
cupric sulphate	Yes	No	No	No

As nouns, cupric sulphate is a hypernym of chalcanthite; that is, cupric sulphate is a word with a broader meaning than chalcanthite:

chalcanthite: hydrated blue crystalline form of copper sulfate
cupric sulphate: a copper salt made by the action of sulfuric acid on copper oxide

Other hypernyms of chalcanthite include copper sulfate, copper sulphate, cupric sulfate.

chalcanthite (noun)	cupric sulphate (noun)
hydrated blue crystalline form of copper sulfate	a copper salt made by the action of sulfuric acid on copper oxide