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Fine Jewelry University Articles matching: “learn about silver”
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Fine Jewelry University (Show All FJU Articles)
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Measuring Gold Weight
… of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy ounce is 20 pennyweights. The pennyweight was the weight of a silver penny…
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Platinum
… metal in the rivers of Equador. Not realizing its superb qualities, they 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 …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. Platinum’s rich, … a lost art. All the platinum ever mined would fit in the average living room. Rarer than many other metals, only about 133 tons of platinum are mined each year (compared to 1,782 tons of gold). Caring for Platinum An asset like a platinum…
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Laser Jewelry Repair
… even costume jewelry that was unrepairable just a few years ago. Jewelers used to discourage people with sterling silver and CZ pieces that broke from doing repair work. Now they can be done. The laser gives us the ability to fix jewelry … 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 traditionally is …
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What to Do When Your Ring Irritates Your Skin
…. The Nickel is what makes the gold white, but it can also cause an allergic reaction. Some people are allergic to silver and we have even known someone to be allergic to pure gold (yes, it’s possible ). Determining the exact cause and …it. This isn’t an allergic reaction but a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can …
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Gold Purity and The Differences Between White and Yellow Gold
… colors of gold engagement rings? Yes, Gold is yellow metal but adding copper to gold makes it redder and adding silver, zinc and any other metal makes gold paler. The white color is achieved by a careful choice of the alloying metals, … many molecules of gold are around the ring. In other words, a plated piece of jewelry has very little gold. You can learn more about gold plating on our FAQ page. Sometimes engagement rings are stamped 14KP. The 14KP is a marking for plum…
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Gem in the Spotlight: Pearl
…, with many shades in between. The most valuable pearls are those with a pure, even color, such as white, pink, or silver. Luster: Luster is the intensity of light reflected from a pearl’s surface. Pearls with excellent luster have sharp …with a range of colors that shift and change depending on the lighting and angle. One of the most interesting things about the Hope Pearl is its connection to the famous Hope Diamond. It is believed that the Hope Pearl was once part of a …
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Gem in the Spotlight: Emerald
… inclusions that would make other gems nothing more than rocks are treated with distinction. If you would like to learn more about this amazing stone, or if you are looking for a great piece of emerald jewelry to add to your collection, we…
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Fake Diamonds: The Great Diamond Attack
… in place to help them catch these impostors before they reach the marketplace. If you’re interested you can learn more about how to tell if a diamond is lab grown . Synthetic gems are not new to the jewelry profession. Synthetic colored … as a viable option for customers who are looking for environmental sustainability and a modest price break. You can learn more about if a lab grown diamond is right for me . When is a natural diamond not natural any more? Not every …
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What Are Lab Grown Diamonds?
… term “lab grown” over “synthetic.” In order to appreciate this fully, it helps to understand a little bit about how lab grown diamonds are made. There are two techniques to grow single crystal diamonds. The first and oldest is the High … on a wafer of diamond crystal which establishes the crystal structure as the gemstone grows layer by layer. You can learn more about how lab grown diamonds are made from our main article on the different techniques. The important takeaway…