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Fine Jewelry University Articles matching: “yellow topaz”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Quartz
…, all of these fancy names are just different ways of saying “Quartz!” Crystal Name Color Amethyst Purple Citrine Yellow to reddish orange to brown, greenish yellow Prasiolite Green (often mistakenly referred to as Green Amethyst) Rock …crystal quartz Rutilated Quartz Typically colorless and can have black or gold needle inclusions Ametrine Purple and yellow/orange color zoning (a combination of “Amethyst” and “Citrine”) Bi-color Quartz Colorless and any other color like …
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Diamond Buying Guide: The 4 C’s
… diamond in will have a big impact on how it appears. If a diamond is in the colorless range (D-F), and it’s set in yellow gold, it may appear to be much more yellow than it is. Fancy color diamonds are a fun, non-traditional option. While …
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Jewelry Repair FAQ
… as gold plating, and it produces a bright white finish on the jewelry. Some alloys of white gold naturally have a yellow tint to them, so they require regular rhodium plating to keep looking white. How often should I bring my jewelry in … your ring is white gold and rhodium plated, you may notice the plating wearing off and the ring taking on a slight yellowish hue. If this bothers you, you can stop by more often to have it replated. Some jewelry with very fragile stones or…
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Gem in the Spotlight: Iolite
… 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 objects to keep it free from cracks and small chips. Iolite is a fairly common gem, …
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Gem in the Spotlight: Aquamarine
…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 beautiful gemstone, it…
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Platinum
…use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum’s rich, white luster enhances the brilliance and will maintain its shining luminosity forever, unlike other white metals which can, in time, turn yellow or tarnish. Platinum belongs to the noble and precious metals family. It is resistant to tarnishing and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an …
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Gem in the Spotlight: Tourmaline
… not a species or member of a different family (unlike emerald and aquamarine, for example, which are members of the beryl family). It has a refractive index of 1.624 to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within the same gem), and some of these colors have their own names: Rubellite: is red, pinkish red, orangy red, or pink …
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Gem in the Spotlight: Spinel
…have your spinel jewelry professionally clean by a local jeweler like us. Spinel can be stored with other jewelry but like with all precious stones, it should be treated and stored with care. Its Mohs hardness of 8 puts it on par with Topaz. It’s softer than diamond or sapphire but harder than quartz, tourmaline, and peridot. With proper care there’s no reason why a piece of spinel jewelry can’t last for generations even becoming a treasured family heirloom. Why Spinel? …
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Gem in the Spotlight: Tanzanite
… driving its desirability. Tanzanite is currently one of the rarest gemstones, and it is only found in one place on earth. In 2002 tanzanite was added as one of the birthstones for December alongside blue zircon, turquoise, and blue topaz. Tanzanite is believed to symbolize transformation and spiritual awakening. It is often associated with the idea of personal growth and enlightenment, helping individuals connect with their higher selves. It is also believed to signify …
