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Fine Jewelry University Articles matching: “Antique hallmark number 2”
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Fine Jewelry University (Show All FJU Articles)
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Laser Jewelry Repair
… too costly to fix. Now Arden Jewelers has a powerful laser to repair our customer’s jewelry. Lasers can repair an antique enameled pin without damaging the enamel or leaving visible signs of the restoration work. Our laser can fix jewelry … flowing into the hinge and destroying its mobility. Antique filigree that is broken can be repaired. Restoring antique platinum jewelry is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very complicated …
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How to Sell Jewelry on Craigslist and Facebook Marketplace
…. Check in with that person after the meeting. Always have your cell phone with you. If you decide to give a phone number in the ad, use your cell number and not a home phone number. That way, when someone calls you, you get a call back …you can get cash on the spot for your gold and jewelry. Our gemologist buyers are friendly and professional, and our 20+ year track record in Sacramento means you know you’re getting a great deal from a safe and reputable jeweler
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Alternative Metals for Men’s Jewelry
… silver-white in color, but it can be treated to different colors. Titanium is very light weight which is its hallmark feature and one of the reasons it is used so heavily in manufacturing. It resists scratching well, and it is both …Arden Jewelers are made from aircraft grade 5 titanium. Titanium is a chemical element with the symbol Ti and atomic number 22. It is resistant to corrosion in sea water and chlorine. Titanium is named after the Titans, mythical Greek …
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Caring for and Cleaning Your Jewelry
… been treated, some precautions should be taken. Hardness is how we judge how easily things scratch. Some technical numbers show how a higher number scratches the same number and anything lower. Hardness is related to the Mohs hardness … (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard toothbrushes and dirt (most dirt ranges 4-8 on the …
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Gem in the Spotlight: Spinel
… birthstone list. Spinel will be joining peridot as the August birthstone! This change was officially made in 2016, but only in the last couple of years have we started to see the majority of the industry get on board. If you know … index of 1.718 while its synthetic counterpart (depending on the process used) has a refractive index of 1.728. In recent years, scientists have developed new techniques to synthesize sheets of optically transparent spinel. This …
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Gem in the Spotlight: Emerald
… of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific gravity ranges from 2.65 to 2.75. One of the distinctive features of emeralds is that they often contain inclusions. Sometimes these … structure. Hollywood celebrities have had a fondness for emeralds for many years. Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/brooch from her future husband Richard Burton during the shooting of Cleopatra . She…
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The Birthstones
… in gold. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Spinel was added as one of August’s birthstones in 2016, and we think it’s a great addition. Spinel is a beautiful gem that comes in virtually every color you can imagine. It has good hardness and durability making it suitable for regular wear and its brilliance is on par with even the …
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Gem in the Spotlight: Tourmaline
…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 … a long trend of confusing tourmaline with other gems. Another notable example of this is the “Caesars Ruby,” the 255ct stone in the Russian crown jewels that has been traded between France, Russia, and Sweden for centuries. It was …
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What are “Blood Diamonds”?
… of the decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict … Partnership Africa Canada to create the Kimberley Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the legitimate diamond supply chain. The diamond industry also …
