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Fine Jewelry University Articles matching: “selling loose gems”

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Fine Jewelry University (Show All FJU Articles)

  1. The different parts of an engagement ring

    Anatomy of a Ring

    … by a jeweler, especially if it looks to you like any of the tips are missing or worn down, or if any stones are loose. The more tips that are thin or missing, the more likely you are to lose a stone. In addition to prong heads, you can … any bands or other rings you plan to wear next to the main ring? Head The head is the piece that holds the gemstone. Pronged heads are most common. The prongs are the little claws of metal that secure the stone. Most prong heads in rings…

  2. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    …of Radiation” which produces a sharp, focused light beam. The benefit of the laser is that very little heat is generated at the weld point. This means the heat will not damage the surrounding area. The jewelry’s intricate design and gems which are heat sensitive are safe from the heat with a laser. What type of metals can be laser welded? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering …

  3. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    Morganite is a beautiful, soft pink gemstone and a graceful expression of elegance. It is not a very well-known gem, but it definitely should be. It is …salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and … pink variety of beryl “Morganite”. It has good hardness, durability, luster, and brilliance which make it a great gemstone for jewelry. For the gem nerds out there, here are a few of the gemological properties of Morganite. Its …

  4. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    …on the Mohs scale of hardness which is the same as Ruby or Sapphire and just below diamond (which is 10). Like these gems, tungsten is very scratch resistant and will not bend out of shape, but it will break if enough shock or pressure is… is currently the only permanently black jewelry that is workable enough to allow the setting of diamond or other gems. Ceramic is another permanently black option (it can even be made a more pure black than Zirconium), but it is too …

  5. Collection of many different styles of jewelry clasps laid out together

    Types of Jewelry Clasps

    …. This is one of the reasons why they are often used on bracelets. CONS Longevity – The tongue (insert) can become loose over time and will need to be adjusted. If the tongue is made out of silver this can happen quite quickly. … clasps, a fold over is only as strong as the tension in the metal that holds it in place. Over time the clasp can loosen and need to be adjusted. Also, like box clasps, this loosening happens much faster with softer metals like sterling …

  6. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … was once known as a “water sapphire”. Dichroite is another synonym for iolite. Dichroite is a Greek word which loosely translates as two-colored rock. This refers to iolite’s pleochroic nature. iolite cannot be heat treated to enhance its…Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range …’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 natural color of the stone when it was first…

  7. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … occasions to help them last. Restring Often: Even following all of these rules most pearl strands will stretch, loosen, and discolor over time. We recommend that you have your strand checked once a year. If the silk thread is starting to … of years. Only more recently have cultured pearl farming techniques been introduced that have made these incredible gems more widely accessible. The La Peregrina pearl is one of the most famous natural pearls in the world, and it has a …

  8. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … same stone). Gemology of Opal Opal’s captivating dance of colors is a result of its unique internal structure. This gemstone is composed of tiny silica spheres arranged in a pattern, which diffract light and create the spectacular play … opal”. Opal has a refractive index of 1.37 – 1.47 and a Mohs hardness of 5.5-6. This makes it one of the softest gemstones commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: …

  9. Fake Diamonds: The Great Diamond Attack

    … and major diamond suppliers have sophisticated equipment in place to help them catch these impostors before they reach the marketplace. If you’re interested you can learn more about how to tell if a diamond is lab grown . Synthetic gems are not new to the jewelry profession. Synthetic colored stones have been around for over a 100 years. The impact was dramatic in the beginning then adjustments were made and the new gem found it place. Lab grown diamonds are now …