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Fine Jewelry University Articles matching: “pear cut”

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Fine Jewelry University (Show All FJU Articles)

  1. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … per second. All this gives the master jeweler the ability to use the laser with the skill of a micro surgeon. The laser gives our jewelers the precision he needs to work around our customer’s jewelry treasures. Arden jewelers can cut with the laser, weld two pieces of precious metal together, or do fill-in work to smooth out gaps and rough spots. The work is so smooth that even an expert can’t detect the repair work once it is polished. The weld joints created by the …

  2. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    …. In the Middle Ages, aquamarine was believed to guarantee a happy marriage and inspire mutual fidelity in newlyweds. Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on display in the Smithsonian. Another famous aquamarine is the incredible stone housed in Queen Elizabeth’s tiara. Her …

  3. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    … to as Green Amethyst) Rock Quartz Clear Rose Quartz Various shades of pink, typically has a smooth, milky or hazy appearance Smoky Quartz Transparent brown Morion Dark-gray or black crystal quartz Rutilated Quartz Typically colorless and… gold to red-brown colored quartz, exhibiting chatoyancy Fossilized Wood Multi-colored and typically still has the appearance of wood (also called petrified wood) Agate Multi-colored chalcedony with curved bands Fire Agate Brownish red …

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

    Gem in the Spotlight: Amethyst

    … be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the natural stones it is not …

  5. Caring for and Cleaning Your Jewelry

    … spot can chip or break the stone. This does not mean that diamonds are not very durable. They are the most durable of all gems. In fact diamonds have been through a lot of stress before they reach you. The mining process and cutting tests the stone long before it reaches you. With conscious care, the diamond can last for generations just as beautiful as the day you got it. Diamonds can withstand most chemicals, unfortunately the metal jewelry cannot and will be …

  6. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (both 2.5) to find a commonly used gem that is softer than opal. Common Opal Treatments There are several … doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is …

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