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Fine Jewelry University Articles matching: “triangle k”
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Fine Jewelry University (Show All FJU Articles)
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What are “Blood Diamonds”?
… its zero tolerance policy towards conflict 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 … their diamonds are from sources free of conflict. Today, 71 governments have enshrined into their national law the Kimberley Process Certification System, and now more than 99% of the world’s diamonds are from conflict free sources. …
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Gold Purity and The Differences Between White and Yellow Gold
…beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element with the chemical symbol Au. We know it is the heraldic metal and it is a rare yellow mineral that is the most malleable and pliable of all metals. Yes…an expression of love. Gold Purity Is all gold the same? We hear a piece of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to …
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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 … pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more … in the same family as emerald and aquamarine. Because of its association with emerald it is sometimes called “Pink Emerald”. Other names for Morganite are “Pink Beryl”, “Rose Beryl”, and “Cesian (or caesian ) Beryl”. “Cesian” refers …
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Platinum
Everything you ever wanted to know (and more) about Platinum and its use in jewelry. Platinum is one of the rarest and most durable precious metals… its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it hypoallergenic and ideal for those with sensitive skin. All … and credit cards. Platinum jewelry is the perfect choice for a lifetime of everyday wear. Its density and weight make it a durable jewelry metal. Platinum does not wear away and holds precious stones firmly and securely. Like all …
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Laser Jewelry Repair
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 …ne 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 powerfu…Lasers can repair an antique enameled pin without 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 …
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Gem in the Spotlight: Ruby
… along with sapphires. Corundum is an extremely durable form of aluminum oxide with a Moh’s hardness of 9. This makes ruby one of the hardest gems commonly used in jewelry second only to diamond (which has a Moh’s hardness of 10) and … the color red which comes from trace amounts of chromium in the crystal structure. If they are too purple or too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem …
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Gem in the Spotlight: Jade
… since they have been confused for so many years, and are similar in many ways, they are both referred to by the blanket term “jade”. Both materials are silicates that have exceptional toughness, can be carved, and can be taken to a … 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 including pink, purple (often called lavender jade…
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Alternative Metals for Men’s Jewelry
…of choices when choosing a metal for their wedding band. Gold, silver, and platinum are all excellent metals which make great wedding bands, but with the advent of new technologies the “big three” have been joined by a slew of new … are great, but with so many to choose from, it can be difficult to know which one is best for you. This article breaks down many of the new “alternative metals” (and non-metals) and explains why you may want to choose one for your …
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Measuring Gold Weight
… a pound of gold weighs more than a pound of feathers.” Unfortunately there is one more piece of the puzzle. We all know 16 ounces equal a pound. True in the avoirdupois system, but not in the troy. In the Troy system only 12 ounces … 7.27 grains by 1816. 24 grains = 1 pennyweight and 20 pennyweights = 1 ounce troy. Even more trivia if you’d like to read on. “Grain is an ancient unit which was originally based on the weight of a grain of wheat. The grain is the …
