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Fine Jewelry University Articles matching: “Gold metal”

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Fine Jewelry University (Show All FJU Articles)

  1. The Birthstones

    …, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given…gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but only when set in gold. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature …

  2. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … to have the power to grant enlightenment, give power over spiritual affairs, reconcile opposites, and change base metals to gold. Tourmaline has a special place in our hearts as California natives because it is one of the few gems that …

  3. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … pieces eventually showcased at the Tanzania National Museum. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and Cleaning of Tanzanite While tanzanite is stable and won’t be harmed under normal conditions the low hardness and poor to fair …

  4. A pair of diamond stud earrings surrounded by different earring back options

    Styles of Earring Backs

    …is not as secure as lever backs or other similar styles Irritant – If used with costume jewelry made of non-precious metals, it may cause irritation to sensitive skin. Gold options found on more valuable jewelry do not typically have this …

  5. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and visionaries alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown diamonds that are large enough to be used in jewelry. But, how is it done? Early Efforts Throughout history, many …

  6. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … is a famous 37.8 carat emerald known for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper …