Search Results - copper

Real Copper Mineral Polished Sphere 1.5-1.75″

• Copper has been in use at least 10,000 years, but more than 95% of all copper ever mined and smelted has been extracted since 1900 • Copper is a major industrial metal because of its high ductility, malleability, thermal and electrical conductivity and resistance to corrosion • Can range in size from approximately 1.5-1.75″ in diameter • You will receive one real copper polished sphere similar to the reference specimens • Copper is a soft, malleable and ductile metal with very high thermal and electrical [...]

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Copper, Silver & Gold Leaf In Corked Vial 3 Piece Set

Real gold leaf, silver leaf, and copper leaf in corked glass vial. These little vials make great pendants for necklaces and are also great for your mineral collection for as a gift. You will receive one of each per set. • 3 vials per order • Vials are approximately 7/8″ tall x 3/8″ diameter

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Real Copper Cube

Real Copper Cube | Periodic Table Element Paperweight 1.25″

This Real Copper Cube engraved Periodic Table Element Paperweight is a great addition to a rock collection and also makes a great gift. Copper has been in use at least 10,000 years, but more than 95% of all copper ever mined and smelted has been extracted since 1900, and more than half was extracted in only the last 24 years. According to the British Geological Survey, in 2005, Chile was the top mine producer of copper with at least [...]

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real copper polished sphere

Real Copper Polished Sphere 1″

This real copper polished sphere is a great addition to a rock collection. Romans in the 6th through 3rd centuries BC used copper lumps as money. Copper is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. It is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys. Copper has been in use at least 10,000 years, [...]

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Copper African Turbo Shell 2-3″

• The Copper African Turbo has an unusual blend of copper, brown, and peach colors with a hint of iridescence • Turbans are tropical, shallow-water mollusks that feed exclusively on marine algae • Great for hermit crabs or for use in craft projects and as home decor • You will receive one polished banded magpie shell similar to the reference specimens • Can range in size from approximately 2-3″ long measured at the longest points

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