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Fine Jewelry University Articles matching: “What does CI stand for”
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Fine Jewelry University (Show All FJU Articles)
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Styles of Earring Backs
…. CONS Losing an Earring – The closest thing to a con for this style is that if you are a very active person, it doesn’t take a ton of force to pull the back off with just the wrong tug from just the wrong angle. For this reason those … any particular style of earring backs, or with any additional questions you may have. We would also love to hear what is your favorite style of back, and why it’s your favorite…backs, highlighting some of the pros and cons of each. Maybe you have a style in mind and don’t know the proper name for it. Maybe you are looking for the perfect gift. Maybe you are having trouble with your current earrings and are …
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How Are Lab Grown Diamonds Made?
… they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 …to produce gem quality, lab grown diamonds that are large enough to be used in jewelry. But, how is it done? Early Efforts Throughout history, many people have claimed to have successfully synthesized diamonds. However, it was not until …
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Star White Gold
… of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be yellowish to light yellow. When white gold…. Most of them don’t know that jewelry manufacturers choose the white gold alloy mix. It is much cheaper to use the standard white gold alloy (again standard is the lowest) than a more white looking alloy. Most jewelry sales people don’t …
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Gem in the Spotlight: Topaz
… to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For reference, topaz is a bit softer than diamond which is … 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, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever…
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Gem in the Spotlight: Sapphire
Few gems capture the imagination as does sapphire. Sapphire’s beauty inspired people to wonder. Ancient cultures had many lore and beliefs about the sapphire… sapphire whose reflection gave the sky its color. Ancient priests and sorcerers honored sapphire above all gems, for this stone enabled them to interpret oracles and foretell the future. Symbolizing truth, sincerity and tradition, it …refused to shine when worn by the wicked or impure. Known as the celestial gemstone, the sapphire has been treasured for thousands of years. Known as the celestial gemstone, the sapphire has been treasured for thousands of years. Kings …
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Art Deco vs. Art Nouveau Style Jewelry
… enameling, plique-à-jour (stained glass inspired enameling), and intricate metalwork. Art Deco, on the other hand, stands in stark contrast to the unruly, free-form expression of its predecessor. Geometric Precision: Art Deco jewelry is … influence everywhere. They are also important guide posts that can aid in dating 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 …
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Jewelry Repair FAQ
… and then using electricity to adhere those molecules to the jewelry’s surface. Molecules are the key to understanding gold plating. The amount of gold used is on the molecular level. This means that only a very thin layer of gold covers … to indicate that it is Heavy Gold Electroplated. On the other hand, gold flashing (or washing) is thinner than standard gold plating. Gold flashing is only about 0.175 microns (or 0.000005 inches) thick. What is Rhodium Plating? Rhodium …
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Gem in the Spotlight: Jade
… for decades, almost all of the jade on the mainstream jewelry market is dyed. Dyed jade is detectable using standard spectroscopy. Another common method of treating jade is polymer-impregnation. This can be used in conjunction with dye to…and it has been an incredibly important part of Asian, Central American, and North American history ever since. But, what is jade, and what has given it such a prominent place in human history? The term “jade” actually refers to two …
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Gem in the Spotlight: Blue Zircon
…Zircon colors are pure and have that distinctive fire that sets it apart from other gems. The Gemology of Zircon Why does zircon have so much more fire then other colored gems? Zircon has a high refractive index (1.92-2.01). The …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 somewhat brittle tendency that can lead to chips, especially along …
