Search Results for: Table household articles of cast iron not enamelled
, c. bc; the first metal to be cast into a shape in a mold, c. bc; and the first metal to be purposefully alloyed with another metal, tin , to create bronze , c. bc. [ ] in the roman era , copper was mined principally on cyprus , the origin of the name of the metal, from aes сyprium (metal of cyprus)
green color of the original copper is clearly seen. copper does not react with water, but it does slowly react with atmospheric oxygen to form a layer of brown-black copper oxide which, unlike the rust that forms on iron in moist air, protects the underlying metal from further corrosion ( passivation...
https://en.wikipedia.org/wiki/Copper