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Smithsonite, Tsumeb, Namibia; 4" Across

Tsumeb was mined for zinc and copper.  Although Tsumeb ore was zinc rich, Tsumeb was not mined for zinc.  Smithsonite is zinc carbonate.  It was the most abundant secondary zinc bearing mineral species at Tsumeb.  Tsumeb is the world's greatest locality for crystallized pink smithsonite.  The color is due to a trace of cobalt in the zinc carbonate crystal lattice.


Matthew Webb Photo  

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