zinc blende vs sphalerite

zinc blende and sphalerite both are nouns.

Word	Noun	Adjective	Verb	Adverb
zinc blende	Yes	No	No	No
sphalerite	Yes	No	No	No

As nouns, zinc blende and sphalerite are synonyms defined as:

zinc blende and sphalerite: an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form

Other synonyms of zinc blende include blende.

zinc blende (noun)	sphalerite (noun)
an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form	an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form