sphalerite vs blende

sphalerite and blende both are nouns.

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

As nouns, sphalerite and blende are synonyms defined as:

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

Other synonyms of sphalerite include zinc blende.

sphalerite (noun)	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