platinum Tag

Rick Terry Jewelry / Posts tagged "platinum"
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Platinum

Another white metal, platinum, has a short history in jewelry. Brought to Europe by the Spanish Conquistadors, its chemical properties made it difficult to work until the 19th Century, when it began to be used in jewelry. Platinum only gained recognition as a monetary metal in the 1980s, but has...

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Precious Metals Guide

“Precious” metals are gold, silver or any of what are now called the PGM or “platinum group metals” (platinum, iridium, palladium, ruthenium, rhodium and osmium); all others are “base” or ”industrial” metals. “Precious” refers only to their use in jewelry; many “base” metals are extremely valuable to industry. For example,...

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