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Fine Jewelry University Articles matching: “ring 375 DIA”
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Gem in the Spotlight: Blue Zircon
… cleavage which creates a somewhat brittle tendency that can lead to chips, especially along facet edges requiring extra care when setting, cleaning, or wearing. The Mythology and History of Zircon Since it has been known from antiquity, …nes. In the middle ages, Zircon was said to aid in resting, induce sound sleep, drive away evil spirits, bring prosperity, and promote honor and wisdom in its owner. Zircon is assigned to the planet Pluto and is said to be of help for var…
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Gem in the Spotlight: Topaz
… which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3.53 Mohs Hardness: 8 Care and Cleaning Even though it’s tough to scratch, you …ht. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the P…
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Art Deco vs. Art Nouveau Style Jewelry
… 19th century (1890 – 1910), Art Nouveau emerged as a rebellion against the academic art of the time. It sought to bring the natural world into artistic design, emphasizing flowing lines, asymmetrical forms, and motifs inspired by plants… by its celebration of modernity, geometric shapes, and luxurious materials. The opulence and optimism of The Roaring 20’s formed the perfect backdrop for this new kind of art to emerge. Art Deco jewelry design embraced symmetry, bold …
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Gem in the Spotlight: Alexandrite
… component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is … alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-…
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The Difference Between White Gold and Platinum
… its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is …
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Gem in the Spotlight: Quartz
… to sharpen analytical skills, helping navigate challenges with precision and insight. Bloodstone is believed to bring courage and wisdom. There is also a Christian connection with bloodstone where it is used to represent the sacrifice … is the Uncompahgre Ute tribe in Colorado who would fill translucent rawhide rattles with quartz and shake them during ceremonies. See More on Etsy › Quartz, whether it is common or exotic, intricate or simple, is an incredible gem that …
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The Magic of Polarized Light
… with singly refractive (SR) gems like diamond that only bend light in one direction. Gemologists use the term birefringence to refer to how doubly refractive a particular gem is. By far the most common use of polarized light in gemology …When looking through a microscope two images of the facet junction appear. This is because the stone has a high birefringence (i.e. a high amount of double refraction). When you hold a polarizing filter over the stone one of the images …
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Jewelry Solder: What You Should Know
Solder is the unseen “glue” that holds most jewelry together. If you have ever had a ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what … will focus our discussion on gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety… solder? With solder a different set of alloy metals are used than with regular karat gold with the purpose of lowering the melting point of the finished metal. These metals–usually zinc, cadmium, tin or indium–all have low melting points…
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What to Do When Your Ring Irritates Your Skin
Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t worry. There are many options you have when faced with this …but their root causes and solutions are very different. Physical Irritation This can be caused by the design of the ring, a rough area that is the result of normal wear and tear, or a ring that is not sized correctly. If the ring is too … irritation and the solution may simply be to size the ring up slightly. Likewise, if there is a rough spot on the ring, that can normally be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the …
