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Fine Jewelry University Articles matching: “Black opals”

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Fine Jewelry University

  1. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    FJU Category: Gemstones | Tags: Colored Gemstones, Folklore, Gem Spotlight, Gemology, Jewelry History, Spinel, Synthetic Gemstones

    … underappreciated gemstone of all time. Spinel has been mined for over a thousand years, but until 1783 it was confused with more well-known stones like ruby and sapphire. One of the most famous examples of this confusion was with the Black Prince’s Ruby. This stone currently sits at the front of the Imperial State Crown of the United Kingdom. When it was given to Edward of Woodstock in 1367 it was thought to be a ruby. It wasn’t for nearly 400 years that it was …

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