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Fine Jewelry University Articles matching: “Silver topaz”
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Fine Jewelry University (Show All FJU Articles)
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What to Do When Your Ring Irritates Your Skin
…. The Nickel is what makes the gold white, but it can also cause an allergic reaction. Some people are allergic to silver and we have even known someone to be allergic to pure gold (yes, it’s possible ). Determining the exact cause and …it. This isn’t an allergic reaction but a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can …
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Gem in the Spotlight: Morganite
… gemstone for jewelry. For the gem nerds out there, here are a few of the gemological properties of Morganite. Its durability is rated as excellent. Its hardness is 7.5 – 8.0 on the Mohs hardness scale which is comparable to emerald, topaz, and spinel. Its refractive index is 1.560 – 1.600, and its specific gravity is 2.67 – 2.90. These characteristics help identify Morganite as beryl and distinguish it from other pink gemstones. Morganite is commonly heat treated to …
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Gold Purity and The Differences Between White and Yellow Gold
… 13.5k to be stamped 14k so the 14KP tells the consumer that this is a true 14 karat mix. White Gold Can there be other colors of gold engagement rings? Yes, Gold is yellow metal but adding copper to gold makes it redder and adding silver, zinc and any other metal makes gold paler. The white color is achieved by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. It is interesting to note that white gold for engagement ring and wedding …
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Platinum
… metal in the rivers of Equador. Not realizing its superb qualities, they named it contemptuously platina (little silver) and threw it back into the river to ripen into silver. In 1912 white gold was “invented” in Pforzheim, Germany, as a …
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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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Art Deco vs. Art Nouveau Style Jewelry
…stones to create pieces that were not just adornments but works of art. Many Art Nouveau jewelry pieces were made in silver, but white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old …-1930 Key Aesthetic Organic, flowing lines, nature Geometric symmetry, bold contrast, simplicity Materials of Choice Silver, semi-precious stones, enamel Platinum, diamonds, emeralds Prominent Designers Louis Comfort Tiffany Cartier, Van …
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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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Gem in the Spotlight: Blue Zircon
… colors and brilliant flashes of light. To top it all off, zircon is generally very affordable. It is a wonderful gemstone for jewelry wearers and gem collectors alike. Plus, it out sparkles the other December birthstones (Blue Topaz and Tanzanite) making it a great gift for anyone born in December or who simply appreciates dazzling, fiery
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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 …
