Electrum
Natural alloy of gold and silver
Nº Q239481 ★★★
Rare · Knowledge
Electrum
Natural alloy of gold and silver
Electrum is a naturally occurring alloy of gold and silver, with trace amounts of copper and other metals. Its color ranges from pale to bright yellow, depending on the proportions of gold and silver. It has been produced artificially and is also known as green gold, though the color is more pale yellow than green.
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From Wikipedia
Electrum is a naturally occurring alloy of gold and silver, with trace amounts of copper and other metals. Its color ranges from pale to bright yellow, depending on the proportions of gold and silver. It has been produced artificially and is also known as green gold, though the color is more pale yellow than green. Electrum was used as early as the third millennium BC in the Old Kingdom of Egypt, sometimes as an exterior coating to the pyramidia atop ancient Egyptian pyramids and obelisks. It was also used in the making of ancient drinking vessels. The first known metal coins made were of electrum, dating back to the end of the 7th century or the beginning of the 6th century BC.
Text: Wikipédia, CC BY-SA 4.0. · Image: James St. John (CC BY 2.0) ·
