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Fine Jewelry University Articles matching: “what does GSD mean”
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Fake Diamonds: The Great Diamond Attack
… would try to find out who was the real person. Technology has created many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural diamond from all … uses of this man made gem are in the pipeline. The Big Bad Synthetic In the gem world we use words with particular meanings. Synthetic is one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and …
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Art Deco vs. Art Nouveau Style Jewelry
… 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 …and the human form. Art Nouveau, also referred to as Jugendstil and Stile Liberty among many other monikers, simply means “New Art” and it impacted almost every artistic medium. Jewelry makers embraced materials such as enamel, horn, and …
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Gem in the Spotlight: Jade
…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 …different gems, with different refractive indices and chemical makeups. Both gems are silicates which basically just means that they are rocks. These particular rocks are made up of silicon and oxygen as the primary components, but the …
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Gem in the Spotlight: Aquamarine
Aquamarine derives its name from the Latin which literally means “seawater,” a tribute to its beautiful blue color. As a member of the beryl family, Aquamarine has some illustrious… refractive. Aquamarine’s specific gravity is 2.72 and it has a Mohs hardness of 7.5-8.0. For comparison, this means that it is softer than Sapphire, harder than Quartz, and similar to Topaz. This makes it a very durable stone that is …
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Gem in the Spotlight: Tanzanite
…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 …. Heating removes the green component which makes the violetish blue color pop (although technically speaking it doesn’t make it more blue, just less green). The amount of blue in a tanzanite is caused by the quantity of vanadium present…
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The Birthstones
…thoughts. Learn more about Amethyst March’s Birthstone: Aquamarine Originating its name from the Latin “aqua marina” meaning “sea water”, the aquamarine is a light blue to greenish blue beryl, most valuable when it’s a shade of darker … has been treasured for over 4,000 years. The name for the emerald is derived from the Greek word “smaragdos”, meaning green stone. Spring and green symbolized faith and fertility. The early Christians valued the emerald as a symbol of …
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Gem in the Spotlight: Quartz
What is common and yet rare? What is well known but surprising? What is affordably priced sometimes and sometimes … of Quartz The microcrystalline varieties have a long tradition of being special to people. Microcrystalline means that the stone is made up of smaller crystals and not one big crystal. Sometimes you can see this structure with your naked…fairly hard gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals, which means that it can withstand daily wear and tear very well. All quartz has the same refractive index at 1.54-1.55 and is …
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How to Sell Jewelry on Craigslist and Facebook Marketplace
…Arden Jewelers for a free value appraisal of your jewelry. If you like our offer, you can get cash on the spot for your gold and jewelry. Our gemologist buyers are friendly and professional, and our 20+ year track record in Sacramento means you know you’re getting a great deal from a safe and reputable jeweler
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Gem in the Spotlight: Spinel
… regularly for the last century, whether it is with an heirloom piece of jewelry or something found at the beach, what many people have believed to be a ruby for years turned out to be spinel. While modern technology and gemological … used hundreds of years ago in early compasses. You may even know this gem by its more common name “lodestone” which meant “leading stone,” but you may not have known that lodestone is a form of spinel. Spinel is believed to possess …
