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Fine Jewelry University Articles matching: “Green gem”
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Fine Jewelry University (Show All FJU Articles)
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Frequently Asked Question about Jewelry
… in general. If you have a question you’d like answered, please contact us and we would be happy to help. What is a Gemologist? A gemologist is one who studies gems and jewelry scientifically, who knows and identifies them, can judge the… their beauty and value, and can apply this knowledge. This training and experience combine to make a gemologist. A gemologist like other professionals must keep up with current advancements in the field. The pace of change in the gem …
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The Magic of Polarized Light
…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 in… 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 a daylight …
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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 … 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 than amethyst and deeper than many tanzanites. Iolite’s name comes from …its color. The color you see is the natural 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 …
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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 …, contributes to the pink color of Morganite. Morganite was known as Pink Beryl until George F. Kunz, the chief gemologist at Tiffany & Co., suggested to rename the gem Morganite in honor of the legendary financier and gem collector …
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Gem in the Spotlight: Amethyst
… been considered a royal color, so it is not surprising that amethyst has been in so much demand throughout history. Gemology Amethyst is a variety of quartz that is colored by the presence iron and aluminum. The violet color of 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…
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Diamond Buying Guide: The 4 C’s
If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our gemologists are more than happy to answer any questions you have so please feel free to visit us anytime. Carat Weight Diamonds are small, so the scale that is used to describe diamond weights uses very small units. A carat equals 1/5 of …
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Gem in the Spotlight: Jade
… toughness, can be carved, and can be taken to a high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors … pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a saturated emerald green that is almost transparent, and it is called “…
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Gem in the Spotlight: Alexandrite
… Alexandrite is the extremely rare, color-change variety of a gem species called Chrysoberyl. It appears bluish-green in daylight, fluorescent light, and some LED light. Under incandescent light, candle, and firelight, alexandrite appears … interacts with alexandrite’s crystal structure. It absorbs most wavelengths of light very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light…
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Gem in the Spotlight: Tanzanite
… different colors when viewed at different angles. Tanzanite in its raw form has three colors: blue, purple, and green. Heating removes the green component which makes the violetish blue color pop (although technically speaking it doesn’t …present. Raw, unheated tanzanite is sometimes marketed as “mermaid tanzanite” because of the iridescent blue and green colors. You can usually tell if a tanzanite has been heated by using a dichroscope. This is a tool that gemologists use …
