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Fine Jewelry University Articles matching: “Jewelry cleaning machine”
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Fine Jewelry University (Show All FJU Articles)
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The Birthstones
…, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Spinel was added as one of August’s birthstones in 2016, and we think it’s a great addition. Spinel is a beautiful gem that… February’s Birthstone: Amethyst Amethyst, transparent purple quartz, is the most important quartz variety 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 …
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Gem in the Spotlight: Tourmaline
…and praised the quality of the stones they produced. Along with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for occasional wear or a pendant/earrings for daily wear. Because…cleaner or steam cleaned, and should only be cleaned with warm, soapy water. With proper care, a piece of tourmaline jewelry can last generations and even become a treasured family heirloom. Why Tourmaline So, now that you know a bit more …
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Gem in the Spotlight: Jade
… China, British Columbia, and Siberia. Myanmar (Burma) and Guatemala are the primary sources of jadeite. Care and Cleaning of Jade Both nephrite and jadeite can be damaged by the heat of a jeweler’s torch. Jade is generally safe in ultrasonic…. Jadeite was incredibly important to the Mayans and Aztecs. They used it for medicinal purposes and carved it into jewelry and religious artifacts. When jadeite reached China for the first time in the 1700s, gem carving had already been a …
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Gem in the Spotlight: Pearl
… is important to consider all of them to ensure that you are properly valuing a pearl or strand of pearls. Care and Cleaning of Pearls Unlike most gems, pearls are an organic creation which means that they require a little extra care to … the pearls clean, and dry them with a soft-cloth. Do not submerge your pearl strand in water (or other liquids) for cleaning because this can weaken the silk thread they are strung on over time. Store Safely: Pearls can be scratched by sharp…
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Gold Purity and The Differences Between White and Yellow Gold
Gold, just the word brings to mind value, rarity, wealth, 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 … pliable of all metals. Yes, but what does that mean to me? Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. …? 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 understand the uses of gold in jewelry is karat. Karat with a K is …
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The Magic of Polarized Light
…. Without their ability to align light, LCD screens simply wouldn’t work. Radio/X-ray/Microwave: Radios, X-ray machines, and microwaves all use some form of a polarizing filter to allow them to function efficiently as they do without … 90° from one another. This causes the gemstone itself to act as a 3rd filter between the other two built into the machine. As you rotate the stone, depending on the orientation, it will blink from dark to light. This is because one of the …
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Anatomy of a Ring
… the design and the extent of the wear require. If you are careful with your rings (removing them when doing dishes, cleaning with harsh chemicals, gardening, etc.), the shank may last your lifetime and beyond. But, shanks that were thinner … know when your ring may need maintenance. It’s also a fun way to impress your friends with your vast knowledge of jewelry terms. Shank Every ring has a shank. This is the technical term for the band of metal that encircles the finger. There…
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The Difference Between White Gold and Platinum
…which bleach the yellow of pure gold. Platinum is a naturally white metal. It does not need to be alloyed for color. Jewelry platinum is typically an alloy containing 90% to 95% platinum and the balance alloy. Iridium or ruthenium is often …This new alloy is called Star White Gold . It is still not widely available, so these paragraphs still apply to most jewelry, but Star White is different. Learn more… White gold is an alloy of gold and some white metals…the white color …
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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. Platinum’s rich, white luster enhances the …. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or … sometimes enjoys a cachet higher even than gold – witness all those platinum albums 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 …
