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Fine Jewelry University Articles matching: “Asteria gemstone ring”

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Fine Jewelry University (Show All FJU Articles)

  1. The different parts of an engagement ring

    Anatomy of a Ring

    … 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 …time and may need to be built up by a jeweler. When you are shopping, pay close attention to how the main diamond or gemstone is set. What style of head is used? What trade-offs are being made between security, design, and how much of the …

  2. Tanzanite is a beautiful blue purple gemstone that is very rare

    Gem in the Spotlight: Tanzanite

    Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes…are uninteresting and bland to look at. They are also priced very cheaply. Just because jewelry has Tanzanite as the gemstone, does not necessarily make it valuable. You have to see the color for yourself to know how valuable the gemstone … one of the most popular gems in the jewelry market place. Some sources place Tanzanite as the fifth most popular gemstone after the “big four,” which consist of Diamonds, Rubies, Sapphires, and Emeralds. Tanzanite jewelry makes a great gift …

  3. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    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 of … color of the stone when it was first discovered. This adds value to many gem buyers who don’t want a treated gemstone. Color Me Impressed Iolite is strongly pleochroic and will exhibit a different color when viewed at different angles.  … is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. The process works because of the ability of a gem to absorb different wavelengths of transmitted …

  4. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    …and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is also a very rare gemstone. It is uncommon to find Tsavorite in sizes larger than five carats, and most faceted stones are below two carats. By… grossularite doesn’t exactly roll off the tongue. So, a proper name was definitely in order. The nomenclature of gemstones follows certain rules, and according to modern mineralogical methods, gemstones are given a name which ends in “-ite…

  5. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it the “gem of the sun”. It was believed that peridot could chase away evil …dissolve curses but only when set in gold. Peridot is the birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is simply …

  6. 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 pastel or…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 durability is…

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

    Gem in the Spotlight: Amethyst

    … 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 chipping. It is also resistant to heat and chemicals which means that it can … tears of wine in remorse for his actions. These tears stained the quartz purple, resulting in the creation of the gemstone known as amethyst. Amethyst has a long history of being used in jewelry and other decorative items. It was highly …

  8. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    Zircon may be last in the alphabet of gemstones, but it is first in sparkle. The crystal structure of zircon creates one of the liveliest displays found in any … then other colored gems? Zircon has a high refractive index (1.92-2.01). The refractive index (abbreviated RI) of a gemstone is its optical property that refers to the ratio of the speed of light in a vacuum to the speed of light through a …. Brown zircons can be transformed into colorless or blue zircons through heat treatments. Zircon is a durable gemstone with good hardness on the Mohs scale (6 to 7.5).  However, Zircon has what is known as indistinct cleavage which creates a…

  9. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … related questions. If you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry… to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are held in place with prongs. With wear, the tops of these prongs can become worn down. If the prongs wear down too …