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Fine Jewelry University Articles matching: “blue zircon ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    …, you will get different colors. Opals can display just about every color of the rainbow, but hues of green and blue are the most common. Typically the higher end opals have a darker body color, and a wide range of colors. Red carries … shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting reputation for …

  2. The different parts of an engagement ring

    Anatomy of a Ring

    Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …

  3. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the stone … alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-…

  4. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … changed hands many times, and was owned by several famous figures, including Napoleon III and Elizabeth Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. … once part of a larger piece of jewelry that also included the Hope Diamond, and that the two gems were separated during the French Revolution. Today, the Hope Pearl is owned by a private collector and is occasionally displayed at museums…

  5. Polarized light diagram

    The Magic of Polarized Light

    … see through the surface of water or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your… with singly refractive (SR) gems like diamond that only bend light in one direction. Gemologists use the term birefringence to refer to how doubly refractive a particular gem is. By far the most common use of polarized light in gemology …

  6. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … formation are naturally found. We see diamonds closer to the surface of the earth when a rare type of deep volcano brings them up to where humans can find and mine them. The first successful synthetic diamonds were made by mimicking … very high pressure and temperature to grow the diamond. The 10.02ct HPHT Diamond Made by NDT. Thanks to IGI for sharing this video. The GE invention of the belt press uses an upper and lower anvil to generate pressure over 1.5 million …

  7. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    …and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a … of the gem. History and Lore of Jade Jade’s incredible toughness has made it a useful tool throughout history. During the Stone Age of many cultures, jade was used for agricultural tools and weapons such as axe heads and knives. Jade has…

  8. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t worry. There are many options you have when faced with this …but their root causes and solutions are very different. Physical Irritation This can be caused by the design of the ring, a rough area that is the result of normal wear and tear, or a ring that is not sized correctly. If the ring is too … irritation and the solution may simply be to size the ring up slightly. Likewise, if there is a rough spot on the ring, that can normally be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the …

  9. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    …Overall, ceramic jewelry is a great option with space-age tech for someone who wants a non-traditional wedding band. Zirconium Zirconium is a natural element which begins with a silver color. Zirconium is then heat treated and exposed which… feature in the jewelry world as most black metals are the result of plating or antiquing which fades overtime. Zirconium is currently the only permanently black jewelry that is workable enough to allow the setting of diamond or other gems…

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