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Fine Jewelry University Articles matching: “Gtr mean”
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Fine Jewelry University (Show All FJU Articles)
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Caring for and Cleaning Your Jewelry
… from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable…
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Brands and Designer Jewelry
… that looks great on day one, but turns out to be very cheaply made. Some designers can become complacent and let their designs fall out of fashion. Sadly, there are no guarantees. But, in general, buying from a respected brand will mean you pay a premium price for a premium piece of jewelry. In the end, the most important thing is that you choose a piece of jewelry that you love, and that you trust to be a quality
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Gem in the Spotlight: Ruby
…precious stones” in the ancient language of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned …
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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
… low hardness and poor to fair toughness (and a property called cleavage, which is a tendency to break when struck) means that care should be taken to avoid sharp impacts. Setting it in earrings or a pendant will help protect it if the …-scale mines still operating, but their combined output doesn’t come close to that of the primary mine. All of this means that the scarcity of tanzanite is only expected to increase. So, should you get a piece of tanzanite jewelry? Our …
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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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How to Value Inherited Jewelry
…more factors the seller may only find a buyer willing to pay $800. This does not change the jewelry value. It simply means that the current owner could only find a willing buyer at that price. So, how can we fairly determine how much a … estimates the price an item would sell to a used jewelry customer. The word “estate” in this context simply means used or pre-owned. When someone chooses to buy a piece of used jewelry, excluding cases of rare or highly sought after …
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The Magic of Polarized Light
…of the molecules are aligned with each other so only a certain vibrational direction of light can pass through. This means that all of the light that passes through a polarizing filter is “polarized.” Common Uses for Polarizing Filters … out a different direction of light, and the second one is filtering out the opposite direction of the first. This means that all of the light that makes it through the first filter is then blocked by the second one. Placing a gemstone in…
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Laser Jewelry Repair
…what is a laser? LASER is an acronym for “Light Amplification by the Stimulated Emission of Radiation” which produces a sharp, focused light beam. The benefit of the laser is that very little heat is generated at the weld point. This means the heat will not damage the surrounding area. The jewelry’s intricate design and gems which are heat sensitive are safe from the heat with a laser. What type of metals can be laser welded? All the traditional metals can be laser …
