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Fine Jewelry University Articles matching: “Natural golden sapphire”
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Fine Jewelry University (Show All FJU Articles)
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Jewelry Repair FAQ
… way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for …by the jeweler’s torch. However, with our laser welder we are able to retip prongs next to many gemstones (diamonds, sapphires, and rubies for example) without removing them, saving you time and money. Can my costume and fashion jewelry be …
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The History of Diamond Cuts
… to change their shape. So, the Romans wore uncut diamonds. One of diamond’s remarkable attributes is that the natural diamond crystal is beautiful without any human modification. Diamonds normally form in the octahedral shape which looks … like two pyramids stuck together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” is the polishing of a natural octahedral diamond. Interesting fact #1 about diamond cuts: …
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Gem in the Spotlight: Tanzanite
…, even with its rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current … its color. Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and Lore of Tanzanite Tanzanite …
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How Are Lab Grown Diamonds Made?
… lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High … Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 miles below the earth’s surface. Why? Because that is where the conditions of extremely high …
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Frequently Asked Question about Jewelry
…. They are making the diamonds both more transparent (whiter) and more colorful. Some colors are more vibrant then natural diamonds. Next, some are changing the clarity of diamonds with laser drill and fills. The new fills are getting harder… on the diamond. Color is actually looking for the absence of color or transparency. Clarity is inclusions and natural birthmarks of a diamond and is useful as identifying characteristics. For more information see the Diamond Buying Guide . …
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Gem in the Spotlight: Quartz
… is known for its durability with a Mohs hardness rating of 7 (harder than opal and peridot but softer than topaz or sapphire). This makes it a fairly hard gemstone that is resistant to scratching and chipping. It is also resistant to heat … and sometimes unattainably expensive? If you answered quartz to all these questions you would be right (but naturally you looked at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into …
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Art Deco vs. Art Nouveau Style Jewelry
…. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found in Art Deco jewelry… (1890 – 1910), Art Nouveau emerged as a rebellion against the academic art of the time. It sought to bring the natural world into artistic design, emphasizing flowing lines, asymmetrical forms, and motifs inspired by plants, flowers, and …
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Gem in the Spotlight: Pearl
…time, layer upon layer of nacre is deposited around the irritant, eventually forming a pearl. This process can occur naturally or via human intervention. Natural pearls grow in the wild without human intervention. They are very rare, and … locations around the world. The process by which they are created is completely unpredictable, and as a result, natural pearls come in a wide range of shapes, sizes, and colors. They are typically irregular in shape and have a unique, …
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What are “Blood Diamonds”?
… Process. now more than 99% of the world’s diamonds are from conflict free sources While diamonds have been used to fund conflict, the problem is not the diamonds themselves but the rebels who exploit diamonds (along with other natural resources) to achieve their illicit goals. The vast majority of diamonds come from countries at peace. These countries have been able to invest the revenue from diamonds into the development of infrastructure, schools and hospitals for the …
