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Fine Jewelry University (Show All FJU Articles)
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Synthetic Gems: The Whole Story
… the price. Just a one carat gem could cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It …. How can a person tell them apart? I will tell you it is very very hard. It takes a lot of training, very good equipment and an extremely careful examination of the gem. Some synthetics are poorly made and can quickly be identified. …
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Gem in the Spotlight: Peridot
Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra… called it the “gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but only when set in gold. Peridot is the birthstone for August. It is also the accepted anniversary gemstone for the 16th …year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is simply a French word derived from the Arabic for green. Peridot’s color ranges from yellow-green to a warm olive green, and it is …
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Measuring Gold Weight
… wrong. How can this be? Tradition. Gold is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really called avoirdupois ounce). The best way to …The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others … this is to convert them both to a uniform system. A gram or gramme is a standard metric unit of mass. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so…
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How to Tell If a Diamond Is Natural or Lab Grown
… the test. Photoluminescence Spectroscopy and UV Radiation Going beyond the Type IIa test, more advanced equipment exists that uses spectroscopic techniques to analyze gems. One such machine is the DiaTrue screener which we have … discussed to screen their inventories for undisclosed lab diamonds. The jewelry industry as a whole has gone to tremendous lengths to ensure that when a diamond is sold as natural, it really is natural. Plus, when you shop at Arden …
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Star White Gold
How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is bright. White gold has a pure reflexive look. White gold is white…or is it? White gold … white and very hard, but it does wear away eventually. Regular, Plus, or Premium? The White Gold Task Force statement on the plating of white gold reveals how jewelry manufacturers view rhodium plating: “The lack of an industry-accepted…
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The Birthstones
…. Because amethyst was thought to encourage celibacy and symbolize piety, amethyst was very important in the ornamentation of Catholic and other churches in the Middle Ages. It was, in particular, considered to be the stone of bishops … has been a symbol of eternal love since the 15th century, when Archduke Maximillian of Austria sealed his engagement to Mary of Burgundy with a diamond ring. Of all jewels, the diamond is supreme and worthy of the name precious stone. …
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Types of Jewelry Clasps
… are a wide variety of clasps, each with its own purpose and unique design. Whether you are searching for a replacement for a broken clasp or just looking to learn more about them, this article is for you. History of Jewelry Clasps …but important component of many types of jewelry like necklaces, bracelets, and anklets. Clasps allow for easy attachment and removal of the jewelry and provide a secure way to wear and display precious pieces. The history of jewelry …
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Gem in the Spotlight: Tourmaline
… to display this unique property. One of tourmaline’s most distinctive traits is its ability to be multicolored as mentioned above with watermelon tourmaline. The gemological term for this is parti-colored tourmaline. This includes bi-… other combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment changes. Depending on which trace elements are present, as well as their concentration, different colors will be …
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What are “Blood Diamonds”?
… originate from areas controlled by forces or factions opposed to legitimate and internationally recognized governments, and are used to fund military action in opposition to those governments, or in contravention of the decisions of the… diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, governments and non-governmental organizations (NGOs) such as Global Witness and Partnership Africa Canada to create the …
