sphalerite vs zinc blende

sphalerite and zinc blende both are nouns.

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

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

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

Other synonyms of sphalerite include blende.

sphalerite (noun)	zinc blende (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