a very common mineral, zinc sulfide, ZnS, usually containing some iron and a little cadmium, occurring in yellow, brown, or black crystals or cleavable masses with resinous luster: the principal ore of zinc and cadmium; blackjack.
a yellow to brownish-black mineral consisting of zinc sulphide in cubic crystalline form with varying amounts of iron, manganese, cadmium, gallium, and indium: the chief source of zinc. Formula: ZnS Also called zinc blende
A usually yellow-brown or brownish-black cubic mineral occurring either as single dodecahedral crystals or as granular masses. It often contains cadmium, arsenic, or manganese and has a distinct rotten egg odor. It is often found in association with the mineral galena and is the primary ore of zinc. Chemical formula: ZnS.


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