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Fine Jewelry University Articles matching: “Star 763 vi”
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Gem in the Spotlight: Opal
…white opal to give it a darker body color. This is a simple treatment that involves placing the stones in a sealed environment which is then filled with smoke. Opals are porous by nature, so small particulates can be absorbed, if the … with right training and equipment will be able to detect this treatment. Opals can also sometimes be dyed, giving them an unnatural but fascinating body color such as a vibrant green or pink. Some opals that have cracked can sometimes …
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The Magic of Polarized Light
… you why. What Is Polarized Light? Light from almost any light source travels in many different directions, and the vibrations around each ray of light are random. This is called unpolarized light. In the gemological world, this would … light or a daylight equivalent fluorescent light source). Polarized light, on the other hand, has all of the vibrations and rays going in the same direction. One of the most common occurrences of this in nature is sunlight reflecting …
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Diamond Buying Guide: The 4 C’s
… of in terms of its size. If you know that you like the look of a 1 carat, for example, you can use this C as the starting point for your diamond search. Once you know the carat weight and your budget, you can adjust the quality of the … color is actually looking for the absence of color or transparency (except fancy color). The color grading scale starts with D meaning totally colorless and moves down the alphabet subtly increasing in body color. As you can see from the…
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Jewelry Solder: What You Should Know
… (tarnish resistant) silver alloys in the rest of the ring. This caused all of the solder to discolor and become visible. After a few days or weeks of wear, this discoloration usually disappears and the solder is once again … and even make new jewelry entirely without solder. If you would like to learn more about solder or if you’re having some trouble with the solder in your jewelry and you are interested in having it removed (or the jewelry remade into …
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Gem in the Spotlight: Tsavorite Garnet
… sapphires, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. … is also believed to aid in circulation and to protect against diseases. Tsavorite in particular is thought to provide its wearer with strength and positivity. It is also believed to help the immune system, breathing, and metabolism. …
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Gem in the Spotlight: Tanzanite
…showed the stones to. Manuel had originally thought he found sapphires, but after discovering they were too soft, he started searching for answers as to what these gems could have been. They went to MIT geologists who discovered the gems …, the VP of Tiffany & Co. at the time, who named the stone tanzanite after the country of origin. Tiffany then started marketing the stone around 1968. The geological conditions required to form tanzanite are quite rare, leading some …
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The Birthstones
January’s Birthstone: Garnet January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones, Garnet. Garnet’s pizzazz energizes the … ability to quicken the intelligence and make the owner more successful in business, protect the soldier and assure victory, help hunters, guard against contagious diseases, and control evil thoughts. Learn more about Amethyst March’s …them. Learn more about Aquamarine April’s Birthstone: Diamond April’s birthstone is the emblem of fearlessness and invincibility. Courage, strength and fortitude were attributes given to the wearer of diamonds. The diamond has been a …
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Gem in the Spotlight: Ruby
… sapphires and rubies are the same gem material, they also share a refractive index of 1.762-1.770 and a specific gravity of 4.00. A unique optical property of rubies is that they emit fluorescent light at a very specific wavelength (…where rubies were first discovered more than 4,500 years ago. Other significant sources of rubies include Thailand, Vietnam, Sri Lanka, Tanzania, Mozambique, and Madagascar. Before modern gemology, for thousands of years, garnets, …
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Types of Necklace Chains
…. PROS Wearability – The simple design of cable chains makes them very flexible and nearly impossible to kink. Serviceability – They are probably the easiest chain style to maintain and repair. Keep in mind that this only applies to …essentially the same as the cable chain except that it features wide, rounded chain links. This gives the chain a heavier appearance and can increase its longevity and strength to some extent. It shares many of the same pros and cons as…