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Fine Jewelry University Articles matching: “what does GSD mean”
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Fine Jewelry University (Show All FJU Articles)
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Diamond Brokering
…hunting system makes the diamond buying experience a positive one. Please feel free to ask any questions and explore what we can do for you. Using a gemologist diamond broker to guide you through your diamond purchase insures the mastery … us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use high-tech means to reach the most sophisticated companies and low-tech to mine even one person operations all with the goal of finding…
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Gem in the Spotlight: Alexandrite
… has been known around the world as one of the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem …’s crystal structure. It absorbs most wavelengths of light very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light. Since fluorescent light …
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Gem in the Spotlight: Iolite
… and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the … color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or …
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What to Do When Your Ring Irritates Your Skin
…. Don’t worry. There are many options you have when faced with this problem. The first step is to try to determine what the cause of the irritation is. There are actually several different possible causes and it’s easy to waste a lot of … 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 instance) has caused your finger to swell slightly…
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Caring for and Cleaning Your Jewelry
… in a sink, take the precaution of plugging the drain and using a small screen strainer. How to Care for Jewelry What is the hardest natural substance on earth? Diamonds. Legend says diamonds are indestructible. Diamonds are remarkable … from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable…
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Gem in the Spotlight: Ruby
For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color? It’s rarity, and …precious stones” in the ancient language of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned …
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Jewelry Repair FAQ
… quite similar to the original. So, that beautiful piece of jewelry you love can look just the way it used to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are … laser welder in the hands of our skilled craftsmen there is a good chance we will be able to repair your jewelry. What is Gold Plating? Gold plating is the process of depositing a thin layer of gold onto the surface of jewelry. This is …
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The Magic of Polarized Light
… polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is polarized light exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a …of the molecules are aligned with each other so only a certain vibrational direction of light can pass through. This means that all of the light that passes through a polarizing filter is “polarized.” Common Uses for Polarizing Filters …
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Alternative Metals for Men’s Jewelry
… gold and platinum, but it is much more affordable. Tungsten carbide bands are extremely scratch resistant. Tungsten does not bend out of shape due to its hardness which can be a safety feature which we will discuss later. It is … to other jewelry metals can usually wear tungsten jewelry without issue. Tungsten comes from a Swedish term meaning “heavy stone.” It is element 74 on the periodic table with the chemical symbol “W”. The “W” comes from its earlier name, …
