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Fine Jewelry University Articles matching: “10kt gold rope n”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
… one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …names: Imperial Topaz: When both orange and red colors are present (although much of the jewelry industry might call golden topaz imperial). Golden Topaz: Yellow to orange without any red component (could be called precious topaz if more …
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Fake Diamonds: The Great Diamond Attack
… corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties make choosing the diamond an easy task with these older lookalikes. Apathy and sloppy observation can let one of the…. This instrument has the ability to identify Moissanite. More on Moissanite Moissanite also has some gemological properties (it is a DR stone while diamond is a SR stone) that help identify it, but labs are working to change the nature …
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Gem in the Spotlight: Alexandrite
… for alexandrite, warm soapy water and a soft-bristled brush are always the safest. With its innate durability and proper care a high-quality stone will last for generations. Why Alexandrite? Alexandrite is simply one of the most …Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, alexandrite has been …the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called Chrysoberyl. It appears bluish-…
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Gem in the Spotlight: Tsavorite Garnet
…be called Tsavorite? Its technical description as a green 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 …The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite … clarity of the cleanest 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 …
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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 … pearls are produced when a mollusk secretes nacre to form a covering around a foreign body in its shell. Pearls are not as durable as gemstones produced by the heaving pressure beneath the earth’s surface. Therefore special attention …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 should be cleaned in warm soapy water …
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Gem in the Spotlight: Opal
… of hope and purity, associating it with positive virtues. Opal was even thought to possess protective and healing properties, guarding against disease and enhancing one’s eyesight. Pliny, a prominent Roman scholar in the first century AD… stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals have very high water content, typically hovering around the 5-10% mark. As …
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Synthetic Gems: The Whole Story
… is sometimes the first clue it is a synthetic. Synthetic gems make excellent jewelry because they have the same property as the natural gem. Synthetic gems make owning beautiful jewelry affordable. But synthetic gems are not natural; …Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been coveted by …the rich for thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the …
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The Magic of Polarized Light
We use polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is polarized … exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels… different directions, and the vibrations around each ray of light are random. This is called unpolarized light. In the gemological world, this would be any light source that we use on a regular basis (e.g. overhead reflected light or …
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Gem in the Spotlight: Iolite
…. Some see it as a way to provide the vision that moves us from the physical to the spiritual realm. Iolite’s property of pleochroism is thought of as a way of seeing different positions of reality or seeing two realms at the same time. …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. …of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. They may have name recognition, but iolite has a rich, unique color and great gem value on its side. It is more subtlety nuanced …
