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Fine Jewelry University Articles matching: “Tension set”
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Fine Jewelry University (Show All FJU Articles)
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Types of Jewelry Clasps
… the traditional oblong shape, hearts, teardrops, specialty designer styles, and more. They have a simple spring tension mechanism that holds the clasp closed. When the trigger is pushed down, the clasp opens. When the trigger is released, … of in the Barrel Clasp section below. A piece of folded metal called a tongue is pushed into the open box. The tension on the fold in the metal causes it to click into place once it is full inserted into the box. When it’s time to open the …
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Gem in the Spotlight: Opal
… onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of … machines or abrasive jewelry cleaners that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals …
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Gem in the Spotlight: Blue Zircon
…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? … creates a somewhat brittle tendency that can lead to chips, especially along facet edges requiring extra care when setting, cleaning, or wearing. The Mythology and History of Zircon Since it has been known from antiquity, Zircon has a …
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Caring for and Cleaning Your Jewelry
… 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 Mohs scale). Several different types of settings hold diamonds in the jewelry. From time to time gently touch the stone to see if it moves. If the stone moves, don’t wear it and have a professional jeweler tighten the gem. Most jewelry stores will check you jewelry for free. …
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Jewelry Repair FAQ
… secure. In the past, almost all gemstones had to first be removed from their mountings for retipping, and then reset after it was done due to the high heat that is generated by the jeweler’s torch. However, with our laser welder we are … bothers you, you can stop by more often to have it replated. Some jewelry with very fragile stones or light weight setting styles may need more frequent visits depending on how often you wear it. Some jewelry may need very little …
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Anatomy of a Ring
…-bezel, and channel heads. A bezel head encircles the entire stone in metal and is possibly the most secure way to set a stone. Some people dislike the style, however, because it obscures more of the stone. The half bezel is a solution …metal that wrap approximately a quarter of the way around the stone on opposite sides of it. Finally, a channel head sets the stone in between two straight pieces of metal on either side of it (this style is most commonly seen with …
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Frequently Asked Question about Jewelry
… Gemological Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A Diamond Certificate issues a “grade” indicating the physical properties of the Diamond “at the time…the years. The wife never liked the ring, but did not tell him. The why’s are: did not wish to hurt his feelings, we settled for it, that’s just what we did back then and others. As the marriage deepens an open and trusting bond can …
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Gem in the Spotlight: Emerald
… grinding wheels used for milling sugarcane in Colombia, where these unique gems are predominantly found. What sets trapiche emeralds apart from other emeralds is their unique growth habit, featuring six black spokes radiating from a … of Cleopatra . She wore the emerald on her wedding day and it was later sold at Christies in 2011 for $6.6 million, setting the record for the most expensive emerald jewelry ever sold at auction. The Chalk Emerald is a famous 37.8 carat…
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Gem in the Spotlight: Morganite
… should be. It is pastel or pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine. Because of its association with emerald it is sometimes called “Pink …
