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Fine Jewelry University Articles matching: “Gold vinegar test”
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What Are Lab Grown Diamonds?
… are especially good at transferring heat, and so is Moissanite. This is important because the most popular diamond testers use heat dispersion to test if a gemstone is a diamond. However, Moissanite has a completely different chemical … properties. For example, Moissanite is double-refractive whereas diamond is single-refractive. Since Moissanite tests like diamond (due to its heat dispersal properties), people think it is diamond or synthetic diamond. However, since it…
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How to Sell Your Jewelry
…are unsure of how to clean the jewelry or gem, let the professionals do it. Here are some cleaning tips. Never clean gold and gems in chlorine. Ammonia based cleaning products are used throughout the jewelry industry, but they can damage … toothbrush, then rinse thoroughly for most jewelry. A hard toothbrush and toothpaste or toothpowder will scratch gold and hurt some gems. The best cleaning tip is to know for certain the best cleaners to use on your jewelry and do it …
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Alternative Metals for Men’s Jewelry
Until very recently, men only had a handful of choices when choosing a metal for their wedding band. Gold, silver, and platinum are all excellent metals which make great wedding bands, but with the advent of new … making it an outstanding ring to wear every day. Tungsten Tungsten carbide jewelry has a nice weight to it like gold and platinum, but it is much more affordable. Tungsten carbide bands are extremely scratch resistant. Tungsten does not …enough shock or pressure is applied to it. Tungsten is a dense metal which is what gives it the high quality feel of gold or platinum and also what led to its use in armor piercing tank ammunition. Tungsten wedding bands are not made out …
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Jewelry Solder: What You Should Know
… we first have to understand metal alloys. If you haven’t already, now would be a great time to read our article on gold purity . Now you should know that the metals that make up our jewelry are actually a mix of multiple different metals… gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety of different metals like …
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Gem in the Spotlight: Quartz
… brown Morion Dark-gray or black crystal quartz Rutilated Quartz Typically colorless and can have black or gold needle inclusions Ametrine Purple and yellow/orange color zoning (a combination of “Amethyst” and “Citrine”) Bi-color Quartz …-50x magnification. This will not be a complete list, but it includes the most common gem varieties. Of these gems, Gold Matrix Quartz is probably the one that you have seen the most. It is a beautiful stone that commonly features a rich …
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Gem in the Spotlight: Tsavorite Garnet
The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is also a very rare …
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Gem in the Spotlight: Amethyst
…. About 50% of amethysts on the world market are now believed to be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the natural stones it is not often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. Notable Stones One of the most famous amethyst stones is in The Morris …
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Gem in the Spotlight: Blue Zircon
… color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. … its owner. Zircon is assigned to the planet Pluto and is said to be of help for varicose veins, blisters, and even testicular problems. According to some, Zircon relieves pain and is said to prevent nightmares, ensuring a deep, tranquil …
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Gem in the Spotlight: Topaz
… one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …1,680 carats and was set in the Portuguese crown jewels as such. It wasn’t until many years later that more modern testing identified it as a clear topaz instead. Even though its true identity is now known, the large imposter still sits …
