DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Native copper. Native copper is copper found naturally in a pure (chemically uncombined) state. Native copper deposits are now almost depleted and most mining concentrates on copper-containing minerals (copper ores). Copper is a soft, dense, ductile and malleable metal, that forms the base for alloys such as bronze and brass. It is also an excellent conductor and is used for electrical wiring.
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