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Fine Jewelry University Articles matching: “Historical platinum”

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Fine Jewelry University (Show All FJU Articles)

  1. 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 … will maintain its shining luminosity forever, unlike other white metals which can, in time, turn yellow or tarnish. Platinum belongs to the noble and precious metals family. It is resistant to tarnishing and discoloration due to chlorine and… popular choice for jewelry, either on 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 …

  2. The Difference Between White Gold and Platinum

    The first difference between white gold and platinum is the most basic and is the foundation of all the other differences. White gold and platinum are different metals. …alloy. The white color is achieved by a careful choice of the alloying metals, 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 … usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is one of the key differences. White gold even in the best mixture…

  3. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    … vintage and antique jewelry. So, what are these two movements all about, and where did they come from? Origins and Historical Context Originating in the late 19th century (1890 – 1910), Art Nouveau emerged as a rebellion against the academic … were not just adornments but works of art. Many Art Nouveau jewelry pieces were made in silver, but white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but Old European …

  4. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … into the hinge and destroying its mobility. Antique filigree that is broken can be repaired. Restoring antique platinum jewelry is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very complicated pieces and …? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering a complete array of design, redesigns and repair options. Platinum traditionally is the most difficult …

  5. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … of a gem to absorb different wavelengths of transmitted light depending upon its crystallographic orientations. Iolite is one of the most pleochroic gemstone used today. It is iolite’s pleochroism that led to its most important historical use. Vikings used iolite slices to reduce glare when checking the sun’s position. The Vikings, according to Norse legend, used iolite called “The Viking Stone” as a polarizing filter to help them find the sun on cloudy days. They may have …

  6. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone secure. In the past, almost all gemstones had to first be …flashing is only about 0.175 microns (or 0.000005 inches) thick. What is Rhodium Plating? Rhodium is a member of the Platinum family of metals, but it is actually whiter and harder than platinum. Rhodium plating is done the same way as gold …

  7. See the Star White Gold difference

    Star White Gold

    …When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very similar to platinum and rhodium shares many of the properties of platinum including its white color. The rhodium plating is used to make …years I have been telling my clients about the problem with no real solution. I have an article on white gold versus platinum you can read that explains the issues. But now we have a solution! No Plating, Just Brilliantly White Gold We have …

  8. Caring for and Cleaning Your Jewelry

    … chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the shine. … hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard …

  9. Brands and Designer Jewelry

    …jewelry must keep its promise to the customer to deliver a superior product. This is a no compromise area. The jewelry must meet the most stringent of quality standards. Jewelry brands must use quality metals (like high-karat gold and platinum), first-rate gems, and highly skilled jewelers to meet their obligation. Status When a jewelry brand reaches a level of excellence in style and quality of workmanship it attains a level of status. Brands like Tiffany & Co., Rolex…