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Fine Jewelry University Articles matching: “hold period”
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Fine Jewelry University
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The Magic of Polarized Light
… when looking at the facet junctions on a moissanite. When looking through a microscope two images of the facet junction appear. This is because the stone has a high birefringence (i.e. a high amount of double refraction). When you hold a polarizing filter over the stone one of the images disappears; as you rotate the polarizing filter the current image disappears and the second image appears. This is because the two images are transmitted at different angles, and the …
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Types of Necklace Chains
… – The redundant links in a solid rope chain means that even if one or two of the links fail, the chain can still hold together. Flexibility – Rope chains are very flexible and easy to wear. They’re naturally twisted, so you typically don… chains are quite susceptible to twisting and kinking. The flat design of these chains does not lend itself well to holding pendants and they require special care when storing and wearing. These chains make a big, bold statement that, for…
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Types of Jewelry Clasps
… 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, the spring tension … streamlined aesthetics. A hinged tab is threaded through an opening and then closed tight. Tension in the metal tab holds the hinged piece in place until it is pried up to open the clasp. This style of clasp is commonly used on watches …
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Gem in the Spotlight: Opal
…Opal is not as hard as some other gemstones, making it susceptible to scratches and damage from sharp impacts. Household chemicals and extreme temperature fluctuations can also harm opals, so gentle care is essential. To keep opal at its …though, so be careful not to submerge them in water or let them dry out too quickly. Amazingly, hydrophane opals can hold up to 20% water content. Types of Opal Black Opal : Revered for its dark gray to blackish body color, black opal is …
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How to Sell Your Jewelry
… and how the selling experience was for them. The trickiest part of on-line auctions is the actual transaction. Who will trust whom first. Normally the buyer sends funds, then the seller sends the item. The seller must also give a period of time for the buyer to return the item for a full refund. The transaction can be problematic or smooth. May all your experiences be trouble free, but the transaction problems I have tracked seem to run between 20% and 35% of the …
