uraninite vs uranium ore

uraninite and uranium ore both are nouns.

Word	Noun	Adjective	Verb	Adverb
uraninite	Yes	No	No	No
uranium ore	Yes	No	No	No

As nouns, uranium ore is a hypernym of uraninite; that is, uranium ore is a word with a broader meaning than uraninite:

uraninite: a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
uranium ore: any ore from which uranium can be extracted

uraninite (noun)	uranium ore (noun)
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore	any ore from which uranium can be extracted