..., malachite, azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic
..., malachite, azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic more
..., azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic lustre.
..., azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic lustre. more
..., malachite, azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic
..., malachite, azurite, chalcopyrite and bornite. Copper is also often found as a by-product of silver production. Next to Silver, Copper is the next best conductor of electricity. It has a yellowish/gold colour that can be polished to a bright metallic more