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Fine Jewelry University Articles matching: “sapphire and diamond necklace”

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Fine Jewelry University (Show All FJU Articles)

  1. Get more cash for your gold and jewelry from Arden Jewelers

    How to Sell Your Jewelry

    …condition. Some gems have a higher value then others. A natural ruby is worth many times more then a synthetic ruby. Diamonds are generally more valuable then amethysts. Knowing your gem’s grade and rarity will help with understanding its … out right for an immediate transaction. Jewelry brokers are usually found in major cities and include a jewelry and diamond finding service. Pawn shops and secondhand dealers are another type of walk-in and sell option. Most work on a cash …

  2. Polarized light diagram

    The Magic of Polarized Light

    … (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light … and our day-to-day lives. We hope you enjoyed this article, and remember that if you are in the market for a new diamond or gemstone our trained gemologists have the tools, understanding, and experience to help find the … when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is polarized light exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and …

  3. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … 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. The La Peregrina pearl is one of the largest and most …! Keep in mind though that pearl rings in particular are not intended for everyday wear. Rings take more abuse than necklaces or earrings, so wear your pearls rings for special occasions to help them last. Restring Often: Even following all …

  4. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    …try a new design. We do custom jewelry design , and one of our favorite projects is to take the raw materials (gold, diamonds, gemstones, etc.) from a client’s existing ring and use them to make a new and exciting creation. We can reuse the … is to try to determine what the cause of the irritation is. There are actually several different possible causes and it’s easy to waste a lot of time and money trying different solutions if you don’t know what the true source of the …

  5. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    …used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (…Opal has been described as containing the wonders of the skies, sparkling rainbows, fireworks, and lightning. Its dazzling play of color is totally unique in the gem world, and the lore that surrounds it is almost … internal structure. This gemstone is composed of tiny silica spheres arranged in a pattern, which diffract light and create the spectacular play of colors known as opalescence . The colors seen in an opal depend on the size and …

  6. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … of chromium and vanadium in the crystal structure. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making … celebrities have had a fondness for emeralds for many years. Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/brooch from her future husband Richard Burton during the shooting of Cleopatra . She wore the emerald on her …

  7. Strand of pearls

    How to Clean Pearl Jewelry

    Pearls are considered by many to be symbols of purity and chastity. But even symbols of purity get dirty from time to time. As you know pearls are produced when a mollusk …. Therefore special attention should be used when cleaning them. Pearls should be the last thing that you put on and the first thing that you take off. Common personal products like cosmetics and perfume can severely damage pearls. They … the surface of the pearl. Care must be taken to clean well around the drill hole, but do not dip the whole strand into the cleaning solution because water could get into the drill hole and cause the pearl to discolor. Also, if the silk …

  8. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    …, even with its rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current … its color. Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and Lore of Tanzanite Tanzanite …

  9. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … durability with a Mohs hardness rating of 7. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and …so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the …

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