sphalerite

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Sphalerite from Baxter Springs, Kan.—Courtesy of the Ted and Elsie Boente Collection; photograph, John H. Gerard

Zinc sulfide (ZnS), the chief ore mineral of zinc. It is found associated with galena in most important lead-zinc deposits. The most important deposits are in the Mississippi River valley (U.S.), Poland, Belgium, and North Africa. See also sulfide mineral.

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