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Fine Jewelry University Articles matching: “used rolax”
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Fine Jewelry University (Show All FJU Articles)
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Frequently Asked Question about Jewelry
…, the Dollar Value can easily change considerably over a relatively short period of time. Appraisals are most often used for insurance purposes. What’s new with diamonds? Technology is changing the very nature of diamonds. First, new … is incorporated into the new design. You can add gems or use less of the gems you already have. Many clients have used the main diamond of the old ring to be a side diamond in the new design. Others have made a few design changes, but it…
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Gem in the Spotlight: Amethyst
Amethyst is known for its beautiful purple color, and it 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 in so much…the quartz purple, resulting in the creation of the gemstone known as amethyst. Amethyst has a long history of being used in jewelry and other decorative items. It was highly prized by ancient civilizations such as the Egyptians, who … believed that amethyst had healing powers and would often carve it into the shape of animals or other objects to be used as amulets. In the Middle Ages, amethyst was associated with the clergy and was often used in the design of …
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Measuring Gold Weight
… so they weigh the same. Both are wrong. There is more trivia about gold weights. The troy system historically was used for measuring the weight of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The … grain weighed the same in all three of the above systems, there were at least two different grains. The troy system used the supposed weight of the barley grain, whereas the wheat grain was also used as a standard of weight. There were …
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What to Do When Your Ring Irritates Your Skin
…’t know what the true source of the problem is. There are two main types of irritation: 1) Physical irritation caused by the metal rubbing against the skin, and 2) allergic reactions to jewelry. These types of irritation can look very … be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the ring has never caused irritation in the past, and suddenly it does, it’s possible that a change in diet (eating more salty foods for …
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Gem in the Spotlight: Emerald
…the gladiatorial games in ancient Rome (possibly one of the earliest forms of sunglasses ever recorded). Emerald was used in the Middle Ages to foretell the future and was thought to ward off evil sorcery and cure demonic possession. The … that adorned the breastplate of Aaron, Moses’ brother. Emerald was also believed to symbolize resurrection and was used in the Christian tradition to represent Christ’s victory over death. Cleopatra treasured her emeralds more than all …
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The Magic of Polarized Light
In this article we do a deep-dive on polarized light and how it is used in gemology. You'll learn what polarized light is and how it's used in our daily lives. You'll also see lots of great, visual examples of polarized light in action as it is used to help identify gemstones in our lab.
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Laser Jewelry Repair
…. Our master jewelers and a laser can fix 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 is an acronym for “Light Amplification by the Stimulated Emission of Radiation” which produces a sharp, focused light beam. The benefit of the laser is that very little heat is generated at the weld point. This means the heat will…
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Gem in the Spotlight: Aquamarine
…, aquamarine was also thought to instill courage, cure laziness, and sharpen the intellect. The ancient Greeks used aquamarine often in jewelry believing it captured the true spirit of the sea. aquamarine was believed to guarantee a happy…prevent convulsions, heal liver ailments, calm nerves, and strengthen many organs. Spiritually, aquamarine has been used in meditation to enhance clarity of the mind and to banishing fears and phobias. Aquamarine is a universal symbol of …
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Star White Gold
… to platinum and rhodium shares many of the properties of platinum including its white color. The rhodium plating is used to make the white gold look whiter. The natural color of the white gold could actually be a light yellow color. The …plating of white gold is legal in most countries. For good technical and economic reasons, the term ‘white’ has been used elastically to encompass a wide range of color and this has led to consumer dissatisfaction.” (The White Gold Task …
