Search Results for: Jewellery articles of metal clad not plated
conductivity . a freshly exposed surface of pure copper has a pinkish-orange color . copper is used as a conductor of heat and electricity, as a building material , and as a constituent of various metal alloys , such as sterling silver used in jewelry , cupronickel used to make marine hardware and coins
metal to be smelted from sulfide ores, 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...
https://en.wikipedia.org/wiki/Copper
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