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Fine Jewelry University Articles matching: “what does GSD mean”

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Fine Jewelry University

  1. Loose fantasy cut aquamarine

    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 …

  2. A group of tanzanite loose gems and rings

    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…

  3. 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 …

  4. Collection of loose and mounted quartz gems of various types

    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 …

  5. Purple peace sign

    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