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Fine Jewelry University Articles matching: “back stone”
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Fine Jewelry University (Show All FJU Articles)
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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 of … 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 discovered. This adds value to many gem buyers who don’t want a treated gemstone. Color Me Impressed … 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 …
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Laser Jewelry Repair
…damaging the enamel or leaving visible signs of the restoration work. Our laser can fix jewelry without removing the stones or running the risk of solder flowing into the hinge and destroying its mobility. Antique filigree that is broken … that broke from doing repair work. Now they can be done. The laser gives us the ability to fix jewelry with glass stones that a torch would overheat and destroy. Inexpensive jewelry that has great sentimental value but could not be fixed …
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Is a Lab Grown Diamond Right for Me?
…” that comes with a natural diamond. This one may seem silly to some, but there is something special about knowing your diamond has a rich history and tradition behind it. Our parents, and our parents’ parents, and so on going back hundreds of years wore natural diamonds. A natural diamond has likely spent millions of years under pressure, being refined by processes of the earth before it was discovered and brought to the light. Some of the romance is lost when you …
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Types of Necklace Chains
…This link is semiflexible with most chains, and the beads are free to move slightly in and out along the bars. This chain may seem familiar, because this same design is often used in key chains. PROS Fun and Different – This is a laid back chain style that can be fun to wear while creating an original overall look. Wearability – The semiflexible design allows to the chain to drape nicely without the worry of it becoming twisted. CONS Strength – The bead chain is one of …
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How to Sell Jewelry on eBay and Other Websites
…; the card company will take the money out of your account if there is fraud. Be aware that bank checks can be faked and also certified checks. Sometimes, it takes weeks for the fraud to show up and again the bank will take the money back from you. You also have to know if the person making the deal is that person or faking their identity. If you take travelers checks make sure they are in us dollars. I was given some checks in another country’s dollars and it was worth…
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Gem in the Spotlight: Pearl
… (e.g. plastic, shell, or some type of composite). History and Notable Pearls Pearl is the traditional birthstone of June and is a favorite gem for weddings. Natural pearls have been discovered and cherished for hundreds of years. Only …Pearls have captured the imagination and adoration of people from diverse backgrounds throughout history. They are both simple and infinitely complex. Let’s explore the science, history, and lore… an oyster’s shell rather than in an oyster’s tissue. The result is a semi-spherical pearl with a relatively flat back. Mantle Soft tissue located inside an oyster. Man-made pearls are formed when the mantle surrounds a surgically …
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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 … 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 … is also of interest to geologists because it is one of the oldest minerals on earth. In the gem world, a type of stone is often given different names for each of its colors, and Zircon is no exception. Here are examples of a few of them. …
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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… majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated through natural effects while they were still underground. Without … isn’t heated and is still pretty enough for jewelry displays trichroism. Trichroism is an effect that causes gemstones to display different colors when viewed at different angles. Tanzanite in its raw form has three colors: blue, purple, …
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The History of Diamond Cuts
…recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious stones, but of all human possessions.” said by Pliny, the Roman historian. The story of the diamond cut is the story of …. The Old Mine cut follows the angles and shape of the octahedral diamond crystal to save on weight from the rough stone and to make it easier to cut with the diamond cutting technology of the day. Old Mine cut diamonds range from almost …
