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https://www.gemsociety.org/article/jewelry-metals-overview/
Platinum Jewelry Use. Although platinum use in various objects goes back as far as 700 BCE, its use in jewelry is relatively modern. Since it has an extremely high melting point and resists corrosion so effectively, refining the metal proved difficult for centuries. The oldest recorded use of platinum is as an inlay in Ancient Egypt.
https://www.reference.com/world-view/gold-used-make-jewelry-106488b05109408
Aug 04, 2015 · The alloys used for jewelry are usually 16 or 18 karat gold. When gold is alloyed with metals like nickel and silver it becomes white gold, which is a favorite material for wedding rings. White gold is often plated with rhodium to give it more shine. When gold is alloyed with copper, it's called rose gold.
https://byjus.com/questions/give-reason-why-platinum-gold-and-silver-are-used-to-make-jewellery/
Platinum, gold and silver are used to make jewellery because the metals used in jewellery are always be chosen on the basis of its reactivity. It should be unreactive so that the metal does not tarnish. Many metals used for jewellery are expensive as well because they are rare.
https://edu-answer.com/sat/question11880388
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http://www.sellgoldhq.com/why-is-platinum-a-good-metal-for-jewelry/
Platinum is a good metal for jewelry, but it is not the ideal commodity, simply because it is so rare and difficult to acquire. Silver and gold are both put into jewelry; silver isn’t ideal because it is common enough to be much cheaper. Gold is closer to ideal because it is …
https://www.quora.com/Why-do-people-use-platinum-as-jewellery
Platinum alloys used in jewelry are whiter than white gold needing no plating to make it white. While actually being tougher than white gold, it is more malleable, and less susceptible to cracking or breaking, for example on prongs holding stones.
https://eragem.com/news/the-history-of-platinum-jewelry/
Dec 02, 2013 · Platinum enjoys a fascinating history. Ancient Egyptians (1200-700BC) was used in small quantities combined with gold for decorative objects. One group of natives (La Tolita Indians) to the platinum-rich border between Ecuador and Colombia used platinum for …
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