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Fine Jewelry University Articles matching: “What does gtr mean”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Amethyst
…it a durable 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. Amethyst has the same refractive index as other varieties of quartz at 1…of amethyst dates all the way back to ancient Greek mythology. The word “amethystos,” is derived from the Greek word meaning “not drunken.” It is said that amethyst was created when Dionysus, the god of wine, was angered by an insult from…
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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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Diamond Brokering
…hunting system makes the diamond buying experience a positive one. Please feel free to ask any questions and explore what we can do for you. Using a gemologist diamond broker to guide you through your diamond purchase insures the mastery … us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use high-tech means to reach the most sophisticated companies and low-tech to mine even one person operations all with the goal of finding…
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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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Gem in the Spotlight: Iolite
… and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the … color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or …
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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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Diamond Buying Guide: The 4 C’s
…, you can adjust the quality of the diamond to fit. Unless you work in the jewelry trade, it can be hard to know what size you want. The photo above shows some common diamond carat weights and how they look in comparison to each other. … looking for the absence of color or transparency (except fancy color). The color grading scale starts with D meaning totally colorless and moves down the alphabet subtly increasing in body color. As you can see from the picture, the …
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Gem in the Spotlight: Garnet
…up the night. Noah used a garnet lantern to navigate the Ark at night. The ancient world is full of praise for the carbuncle, the glowing red gemstone we now know as garnet. Early scientists named garnet from the Latin granatus, which means ‘seedlike’ because garnet crystals in rock reminded them of the shape and color of pomegranate seeds. Garnet is really a group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of…
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Gem in the Spotlight: Morganite
… is a relatively new addition with its first recorded discovery occurring in California in the early 1900s. This means you won’t find any tales of ancient kings wearing Morganite on their crowns or other such legends. Morganite’s lore and… for everyday wear, and it can be worn as rings, pendants, earrings, necklaces, bracelets, pins, brooches, or whatever else you can think of. Morganite is considered very affordable, especially allowing for its rarity. But, it may be hard…
