Dictionary

sphalerite

noun sphal·er·ite \ˈsfa-lə-ˌrīt\

Definition of SPHALERITE

:  a mineral composed essentially of zinc sulfide that is the most important ore of zinc —called also zinc blende

Origin of SPHALERITE

German Sphalerit, from Greek sphaleros deceitful, from sphallein to cause to fall; from its often being mistaken for galena — more at spill
First Known Use: circa 1868

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