Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of sphalerite is as below...

Sphalerite :: Sphalerite (n.) Zinc sulphide; -- called also blende, black-jack, false galena, etc. See Blende (a)..

Black-jack :: Black-jack (n.) A name given by English miners to sphalerite, or zinc blende; -- called also false galena. See Blende..

Blende :: Blende (n.) A mineral, called also sphalerite, and by miners mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous..

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