Native copper. Copper which is found naturally in a pure (chemically uncombined) state is termed "native copper". Native copper deposits are now almost depleted and most mining concentrates on copper-containing minerals. Copper is a soft,dense,ductile,malleable,pinkish-red metal. It is an excellent conductor of heat and electricity,and is used in electrical cables and wires and in alloys such as brass and bronze | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Lawry, Lawrence |
Taille de l’image : | 4087 px × 3441 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |