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n. The primary ore of zinc, occurring in usually yellow-brown or brownish-black crystals or cleavage masses, essentially ZnS with some cadmium, iron, and manganese. Also called blende, zinc blende.

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

n. The native zinc sulphid more familiarly known as zinc-blende. See blende.

n. an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form

"Indium is retrieved as a by-product of zinc ores, specifically from the mineral sphalerite, where its abundance can be as high as almost 900 parts per million (ppm) or as low as 1 ppm."

mineral   

blende    black-jack    false galena   

zinc blende    blende