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Fine Jewelry University Articles matching: “Gold from india”
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Fine Jewelry University (Show All FJU Articles)
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Types of Jewelry Clasps
…eye clasp which was used by ancient Egyptians and is the oldest known clasp style. This type of clasp was often made from softer metals like gold or copper and used to fasten necklaces and bracelets. The hook-and-eye clasp was also used …available in a wide variety of designs, materials, and sizes to suit the needs and preferences of just about anyone. From simple hook-and-eye clasps to intricate and ornate designs to modern magnetic closures, clasps continue to play an …
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Is a Lab Grown Diamond Right for Me?
… takes a lot of specialized knowledge that most people don’t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia both …we have been in the diamond recycling business for over 25 years. Once a diamond has been mined and cut, it can pass from generation to generation, diffusing the environmental impact of mining the diamond significantly. Many people might …
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The Birthstones
…, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given… and truth and possesses many curative powers. Some of the lore surrounding garnets is that it protects the wearer from nightmares, promotes long-lasting love, and prevents hearing difficulties. Learn more about Garnet and Tasvorite …
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Gem in the Spotlight: Tourmaline
… greenish blue tourmaline. Paraíba: is a copper colored blue, intense violetish blue, or greenish blue tourmaline from Paraíba, Brazil. Chrome tourmaline: is a vibrant and intense green. Most of chrome tourmaline’s color actually comes … as in extremely sensitive pressure gauges in submarines. History and Lore of Tourmaline The name tourmaline comes from the Singhalese word turamali, which means “mixed gems” owing to the fact that the gem can look like many others. …
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Gem in the Spotlight: Tanzanite
…in Tanzania, near Mount Kilimanjaro, by a Maasai tribesman named Ali Juuyawatu, although the credit often goes to an Indian prospector named Manuel de Sousa who Ali showed the stones to. Manuel had originally thought he found sapphires, …, but still part of the equation, are the cut and clarity. As with all colored gems, the value of tanzanite comes from its color. Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, …
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Styles of Earring Backs
…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 with pets and small children may prefer an even more secure style. It … years of wear. Screw Backs (Threaded Backs) Occasionally called “threaded backs.” These are the natural upgrade from the friction back for those looking for a more secure option. The post is threaded and the back screws onto it, making a…
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Anatomy of a Ring
…ring shank is generally said to start at the point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was … also cover up more of the stone. Prongs, like shanks, can wear away and need to be built up to prevent the stone from falling out. The very top of the prong—the part that actually rests on top of the stone—is called the “tip.” It’s …
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How Are Lab Grown Diamonds Made?
The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and visionaries alike. Just like the alchemists of …. CVD Diamonds Chemical Vapor Deposition (CVD) is a more recently developed technique by which diamonds can be grown from a hydrocarbon gas mixture. In the CVD process, a thin slice of diamond seed (often an HPHT produced diamond) is … worry about how your lab grown diamond was made. As with natural diamonds, the beauty of a lab grown diamond comes from its physical characteristics and not the precise method by which it was formed. Just like natural diamonds, the 4 Cs …
