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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4368 px × 2912 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |