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Fine Jewelry University Articles matching: “What does the S mean when it says karat gold fkdf what does the ”

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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

    … the most overlooked and underappreciated gemstone of all time. Spinel was first made in a lab over 100 years ago when scientists who were trying to synthesize blue sapphire wound up creating spinel by mistake. Since then many processes …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 …

  2. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

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

    … and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the …don’t want a treated gemstone. Color Me Impressed Iolite is strongly pleochroic and will exhibit a different color when viewed at different angles.  Pleochroism is an optical phenomenon in which a substance appears to be different colors …

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