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Fine Jewelry University Articles matching: “How much is a gram of gold”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Quartz
… brown Morion Dark-gray or black crystal quartz Rutilated Quartz Typically colorless and can have black or gold needle inclusions Ametrine Purple and yellow/orange color zoning (a combination of “Amethyst” and “Citrine”) Bi-color Quartz …-50x magnification. This will not be a complete list, but it includes the most common gem varieties. Of these gems, Gold Matrix Quartz is probably the one that you have seen the most. It is a beautiful stone that commonly features a rich …
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Gem in the Spotlight: Pearl
…, and the process of growing them is extremely delicate and time-consuming. As a result, South Sea pearls are often much more expensive than other types of pearls. They are some of the most valuable and sought-after types of pearls in the…both simple and infinitely complex. Let’s explore the science, history, and lore surrounding this most unique gem. How Are Pearls Formed? Pearls are formed when a foreign object enters the shell of a mollusk and irritates the soft mantle…
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Gem in the Spotlight: Tsavorite Garnet
…, and most faceted stones are below two carats. By some estimates, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called … not have a rich history or lore, given its recent discovery. That said, as a member of the garnet family , there is much mythology surrounding it. Garnet has been thought of as a traveler’s stone offering protection and aid during long …
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The Birthstones
…, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given… used in jewelry. Purple has long been considered a royal color so it is not surprising that amethyst has been so much in demand over the years. Because amethyst was thought to encourage celibacy and symbolize piety, amethyst was very …
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Gem in the Spotlight: Emerald
…greener” than emeralds. The Moguls of India, including Shah Jahan, the builder of the Taj Mahal, loved emeralds so much that they inscribed them with sacred text and wore them as talismans. Notable Emeralds Trapiche emeralds are one of …and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the …
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Laser Jewelry Repair
… type of metals can be laser welded? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering a complete array of design, redesigns and repair options. Platinum …When you hear laser you probably think of blowing things up (all you sci-fi people) or high tech scientific experiments or even crazy villains trying to take …”. One of the last things you think a laser can do is to work on your intricate jewelry. Well, laser technology is making it possible to work on jewelry that once was impossible to fix or too costly to fix. Now Arden Jewelers has a …
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Anatomy of a Ring
… never know it was sized looking at the shank with your naked eye. Over time, the shank can wear thin—yes, even gold and platinum can wear away. In such cases a jeweler can “re-shank” the ring by replacing the metal at the bottom of the … or gemstone is set. What style of head is used? What trade-offs are being made between security, design, and how much of the stone is visible? As a final point on heads it is important to note that not all rings have a head. Some designs…
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Platinum
… treasures are set in platinum, such as the Hope Diamond. It is also one of the heaviest, weighing 60% more than gold. The word platinum sometimes enjoys a cachet higher even than gold – witness all those platinum albums and credit cards…named it contemptuously platina (little silver) and threw it back into the river to ripen into silver. In 1912 white gold was “invented” in Pforzheim, Germany, as a substitute for platinum. These properties piqued the interest of a …
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Synthetic Gems: The Whole Story
… that kind of money to make a synthetic gem is because it is very good. These high priced synthetic gems look very much like the nature gems. The color and sparkle of these synthetics look like the best nature can produce. This is … gems have been coveted by rulers and 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 …
