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Fine Jewelry University Articles matching: “One karet round with bagettes”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    … the title of an action movie, but it could also be the title of this article. For years spinel has been confused with other gems and even today is often used as a substitute for similar looking stones. In recent years, spinel has started… of the industry get on board. If you know someone born in August, it’s time to get excited. Gemology of Spinel With a Moh’s hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear …

  2. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    … to each other. Cut The Cut of a diamond has two main components. First, cut refers to the shape of the stone. Round, marquise, pear, oval, square, princess all describe the shape of the diamond. Checkout the picture above to see examples … are choosing a diamond shape, keep in mind that different shapes have different light properties. Some shapes, like round, are especially good at returning light to the viewer which makes them sparkle more than other shapes. The emerald …

  3. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … crazy, it’s like a beautiful peach.” Then, a passerby contributes, “You all are nuts, it’s like a rainbow with all the colors at once.” And of course, all of them are right. History and Lore Topaz in its pure form is naturally colorless… Zabargad). Of course, topaz isn’t found there, but the island used to be a source for peridot which was confused with topaz before modern gemology. In ancient times, topaz was believed to protect its wearer. Topaz was also thought to …

  4. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … from Australia date at 4.4 million years old. Considering that scientists currently estimate that the earth formed around 4.56 billion years ago, that makes Zircon one of the earliest known gems. The Care and Cleaning of Zircon Zircon … zircons can be transformed into colorless or blue zircons through heat treatments. Zircon is a durable gemstone with good hardness on the Mohs scale (6 to 7.5).  However, Zircon has what is known as indistinct cleavage which creates a …

  5. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    … and wear to a greater degree than its precious metal equivalents. As a frame of reference, cobalt rings come in around 7-8 on the Mohs hardness scale which is about the same as quartz or topaz but softer than tungsten or sapphire. Like … carbide. Ceramic titanium carbide is very hard and used as a heat guard in space shuttles. Ceramic jewelry measure around 9 on the Mohs scale of mineral hardness which is comparable to tungsten carbide and sapphire. Ceramic can be …

  6. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green …enthusiasm for life in rich elegance. This precious gemstone has been revered for over 4,000 years and is associated with love, fertility, and rebirth. Gemology of Emerald Emeralds are a member of the beryl mineral family (along with

  7. A single platinum wedding band

    Platinum

    … family. It is resistant to tarnishing and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as … fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it hypoallergenic and ideal for those with sensitive skin. All the platinum ever mined would fit in the average living room. Platinum is rare, the coveted …

  8. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … level. This means that only a very thin layer of gold covers the surface. Gold plating produces a layer of gold around 0.5 microns thick. A micron is roughly equal to 4/100,000 or 0.00004 inches. Gold plated jewelry is often indicated …and years of experience. Of course, some gems are more difficult to match than others. Pearls, opals, and other gems with patterns in them (Blood Stone, Pietersite, etc.) are notoriously difficult to match. With these difficult to match …

  9. The different parts of an engagement ring

    Anatomy of a Ring

    …solution to this that features metal that features two pieces of metal that wrap approximately a quarter of the way around the stone on opposite sides of it. Finally, a channel head sets the stone in between two straight pieces of metal on… very popular for sometime and so you may be familiar with this one already. The “halo” refers to the stones that surround the center stone, or sometimes center cluster. There are many styles of halo rings. A halo can be a variety of …

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