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Fine Jewelry University Articles matching: “diamond and yellow topaz ring”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Spinel
…, it should be treated and stored with care. Its Mohs hardness of 8 puts it on par with Topaz. It’s softer than diamond or sapphire but harder than quartz, tourmaline, and peridot. With proper care there’s no reason why a piece of spinel …hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear for rings and bracelets, but earrings and pendants are suitable for daily wear. Spinel can come in virtually any color of the…
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Gem in the Spotlight: Tanzanite
… traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes Tanzanite so popular is its color. Tanzanite’s gorgeous color is a captivating mix of blue and purple…. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely …
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Gem in the Spotlight: Tourmaline
… family). It has a refractive index of 1.624 to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within … as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain …
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Gem in the Spotlight: Sapphire
… contains several sapphires. One of them, the Saint Edward’s Sapphire, is a large sapphire set in the center of a diamond cross on top of the British Imperial Crown. According to legend, Edward the Confessor, King of the Anglo-Saxons from …, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones…
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Alternative Metals for Men’s Jewelry
… are some potential cons to wearing a titanium ring that you should consider. Titanium rings can be cut off with a diamond-tip ring cutter, but because of their very high strength, Titanium rings are much more difficult to cut off than other…. Tungsten is rated at about a 9 on the Mohs scale of hardness which is the same as Ruby or Sapphire and just below diamond (which is 10). Like these gems, tungsten is very scratch resistant and will not bend out of shape, but it will break …
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Gem in the Spotlight: Amethyst
…so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the …with a Mohs hardness rating of 7. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. …
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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…, many have tried to achieve this impressive feat. We have only recently been able 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 …. Henri Moissan was one of the early pioneers in the field. In 1893, he claimed to have successfully made a diamond by heating charcoal to 3,500 degrees Celsius inside a carbon crucible. Many attempts were made to reproduce his techniques …
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Types of Jewelry Clasps
… a bolt). One side of the clasp is simply screwed into the other to close it and unscrewed to open it. Note that the yellow gold barrel clasp pictured above actually works like a box clasp however this tubular style is often called a barrel…production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …
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What Are Lab Grown Diamonds?
In the simplest terms, lab grown diamonds are diamonds that have been made by people instead of mined out of the earth. If it’s so simple, you might wonder …this sentence. The complexity arises from the fact that lots of different terms have been used to describe lab grown diamonds and their cousins, and not everyone uses these terms in the same way. So, let’s begin with some vocabulary. … mean man-made, copied, unreal, or even imitation. But, in this context, what do we mean when we say “synthetic diamond”? In the gemological world, synthetic is a highly technical term. When speaking technically, synthetic gems are man-made …
