Copper Sphere

Sloan Museum & Longway Planetarium Verified independent store

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This listing is for ONE Copper Sphere. Each sphere is approximately 1.5” Each sphere comes packaged in plastic wrap, tucked into a white box. Copper is one of the few metals that c an occur in nature in a directly usable, unalloyed metallic form. This means that copper is a native metal. Copper is a ductile metal with an excellent thermal and electrical conductivity. It is rather supple in its pure state and, when fresh, has a pinkish or peachy color. It is an essential trace nutrient to all high plant and animal life. In animals, including humans, it is found primarily in the bloodstream, as a co-factor in various enzymes and in copper-based pigments. Mined in Keweenaw Peninsula Michigan, USA Show more