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Fine Jewelry University Articles matching: “Quartz gold”
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The Birthstones
…. Learn more about Garnet and Tasvorite Garnet February’s Birthstone: Amethyst Amethyst, transparent purple quartz, is the most important quartz variety used in jewelry. Purple has long been considered a royal color so it is not surprising …. According to legend, this golden stone possesses the power to cure many diseases. Citrine, a transparent yellow quartz gem many of the best of which come from Brazil, is a current day birthstone for this month. Learn more about Topaz and …
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Gem in the Spotlight: Blue Zircon
… of color or fire just like diamond. Zircon also is known for its variety of colors. Blue zircon is the most popular color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. The Gemology of Zircon Why does zircon have so much more fire then other colored gems? Zircon has a high refractive …
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Gem in the Spotlight: Sapphire
… used before the word sapphire. Sapphire, a variety of corundum, comes in all colors except red (the red variety being known as ruby), but is especially popular in deep blue. Fancy colored sapphires including pink, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones. This toughness …
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Gem in the Spotlight: Jade
… had already been a tradition for thousands of years. At that time, gem carvers worked primarily with nephrite, quartz, lapis lazuli, and wood. With the introduction of jadeite, the carvers switched focus from the previous materials to this…and Synthetics Jade Jade has been replicated and imitated over the years. The most common imitations by far are dyed quartz, glass, and plastic. These imitations can be identified quickly by a trained gemologist. Other stones that have been…
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Alternative Metals for Men’s Jewelry
…. As a frame of reference, cobalt rings come in around 7-8 on the Mohs hardness scale which is about the same as quartz or topaz but softer than tungsten or sapphire. Like most alternative metals, cobalt chrome bands are hypoallergenic and … for low grade pieces with more nickel Cobalt Looks like white gold or platinum, hypoallergenic Cut in 2 places 7-8, quartz or topaz Scratches more easily than others Carbon Fiber Light weight, modern look Cut NA Can feel “too light” …
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Gem in the Spotlight: Iolite
…iolite cannot be heat treated to enhance its color. The color you see is the natural 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 Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard…
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Gem in the Spotlight: Aquamarine
…. Aquamarine has a refractive index of 1.577 to 1.583 and is doubly 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 suitable for regular wear. But, care should still be taken to ensure that the stone is not damaged. Caring For and Cleaning Aquamarine To maintain the brilliance of this …
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Gem in the Spotlight: Topaz
… which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 … one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …
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Jewelry Solder: What You Should Know
… we first have to understand metal alloys. If you haven’t already, now would be a great time to read our article on gold purity . Now you should know that the metals that make up our jewelry are actually a mix of multiple different metals… gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety of different metals like …