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Fine Jewelry University Articles matching: “Pms 10 k”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
… metric of how difficult it is to scratch something. For reference, topaz is a bit softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes… 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 should protect your …
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Gem in the Spotlight: Alexandrite
…, 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 suitable… night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, 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 …
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Laser Jewelry Repair
When you hear laser you probably think of blowing things up (all you sci-fi people) or high tech scientific experiments or even crazy villains trying to …ne of the last things you think a laser can do is to work on your intricate jewelry. Well, laser technology is making it possible to work on jewelry that once was impossible to fix or too costly to fix. Now Arden Jewelers has a powerfu…Lasers can repair an antique enameled pin without damaging the enamel or leaving visible signs of the restoration work. Our laser can fix jewelry without removing the stones or running the risk of solder flowing into the hinge and …
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Platinum
… metal stretches back only a few hundred years. Despite being worked with some skill by South American Indians over 1000 years ago, it was not until after the Spanish conquest of the New World during the fifteenth and sixteenth …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… its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it hypoallergenic and ideal for those with sensitive skin. All …
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Gem in the Spotlight: Morganite
… in honor of the legendary financier and gem collector J. P. Morgan. The New York Academy of Sciences in December 1910, named the pink variety of beryl “Morganite”. It has good hardness, durability, luster, and brilliance which make it …Morganite is a beautiful, soft pink gemstone and a graceful expression of elegance. It is not a very well-known gem, but it definitely should be. It is … pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more …
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Synthetic Gems: The Whole Story
… cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took over a hundred years and …. Man made gems come in many forms. Every thing from simple glass to plastic to high tech chemical tongue twister like gadolinium gallium garnet (also called GGG) and the modern diamond simulant Moissanite, a man made silicon carbide. …
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Gem in the Spotlight: Aquamarine
… gemstone ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on display in the Smithsonian. Another famous aquamarine is the …happiness, 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 …
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Alternative Metals for Men’s Jewelry
… at about a 9 on the Mohs scale of hardness which is the same as Ruby or Sapphire and just below diamond (which is 10). Like these gems, tungsten is very scratch resistant and will not bend out of shape, but it will break if enough …lower percentage of tungsten. This is why there is a wide range of prices for tungsten rings which can be seen from $10 dollars to over $500. Tungsten carbide jewelry is extremely durable. It is more durable than gold, palladium, silver…
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Gem in the Spotlight: Amethyst
…) and the most famous of these is the largest ever found. This amazing stone named “The Empress of Uruguay” stands 10.7 feet tall and weighs over 5,500 pounds! Care and Cleaning Amethyst is a relatively low-maintenance gemstone and can …Amethyst is known for its beautiful purple color, and it is the most important quartz variety used in jewelry. Purple has long …colored by the presence iron and aluminum. The violet color of amethyst can range from a pale lavender to a deep, dark purple, and it is often found in shades of pale to medium purple. Amethyst is typically found in Brazil, Uruguay, …
