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Fine Jewelry University Articles matching: “high school graduation female”
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Gem in the Spotlight: Blue Zircon
…, champagne, golden, saffron, and colorless. 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 refractive index (abbreviated RI) of a gemstone is its optical property that refers to the ratio of the speed of light in a vacuum to the speed of light through a transparent gem. Light is bent as it …
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Gem in the Spotlight: Spinel
… have been slow to appreciate natural spinel in its own right. Interestingly, most lab-created spinel has a slightly higher refractive index than natural spinel, and that, along with inclusions can be used to separate the two. Natural … new techniques to synthesize sheets of optically transparent spinel. This amazing material has applications in high-energy lasers, transparent armor, and missile guidance systems. It even has the potential to make its way onto our …
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Gem in the Spotlight: Tanzanite
… higher selves. It is also believed to signify new beginnings which makes it a great gift for weddings, births, and graduations Notable Tanzanite Gems The Mawenzi Tanzanite is the largest rough tanzanite in the world, weighing around 6 pounds (…,000 carats!). Discovered in 2005, it has dimensions of 218.44x 80.01 x 71.12 mm. Its name is inspired by the second-highest peak of Mount Kilimanjaro. The Mawenzi Tanzanite is expected to stay in Tanzania for cutting and polishing, with …
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Star White Gold
… White gold has a bright shinny hard finish that will keep its look. Our manufacturer of the Star White alloy has tested it and states: “Star white gold has been developed with the consumer in mind since some people who enjoy the high fashion look of white may have sensitivity to the nickel in white gold. Star white gold has been evaluated by a leading independent testing laboratory. The Star White gold family of alloys does not require rhodium plating. They have been …
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Platinum
… Diamond. It is also one of the heaviest, weighing 60% more than gold. The word platinum sometimes enjoys a cachet higher even than gold – witness all those platinum albums and credit cards. Platinum jewelry is the perfect choice for a … he of its special qualities, Louis XVI of France proclaimed platinum the only metal fit for Royalty. Platinum has a high melting point (3190 F or 1755 C) which limited its jewelry use until the invention of the oxyhydrogen torch in the …
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Gem in the Spotlight: Jade
… they have been confused for so many years, and are similar in many ways, they are both referred to by the blanket term “jade”. Both materials are silicates that have exceptional toughness, can be carved, and can be taken to a high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, …
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Types of Jewelry Clasps
…replacement. Box Clasp (Tongue and Groove Clasp) Commonly found on bracelets and larger necklaces the box clasp is a high quality option that combines strength, aesthetics, and ease of use. A tubular “barrel” style of box clasp is often … holds together by virtue of the strength of the wire to hold its curved shape alone. S hooks usually work best in higher karat gold (21k and higher) because they are more malleable and don’t get brittle over time as easily. …
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The History of Diamond Cuts
…take care to polish the gem at the same time. That is one of the reasons diamonds are expensive. Diamond cutters are highly trained and need a lot of experience to get the job done right. The point cut diamond is likely where the …same number of facets as a modern round brilliant (a total of 58). The Old Mine cut’s distinctive features are the high crown angle, small table, large culet and square rounded corner shape. The reason for the cutting style is more about …
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Gem in the Spotlight: Ruby
For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color? It’s rarity, and thereby its high cost? Or, is it something deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an…
