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A phenomenon caused by the lammular structure of some gem materials producing bright reflected flashes similar to iridescence, but not multi-colored.
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A horizontal revolving disc for grinding and polishing gems.
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A two-sided sticky tape to hold slabs to laps.
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A person who works with stone, primarily gemstones. Also used as an adjective to describe the shop, the kind of material, and the equipment used in cutting stones.
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Rotating machine which can be used to make vases, bowls, etc.
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Small jeweled pendant, often with fine chains.
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A popular surface for polishing gems.
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Also called orange peel. The appearance of materials pitted by undercutting, due to irregular grain structure.
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An enamel style similar to a painting in appearance.
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An excellent aluminum oxide polish for many materials.
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A miniature oxygen and gas torch which welds, brazes, or solders areas hard to reach with conventional torches.
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Potassium sulphide, often used to antique metals.
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A safe jewelry clasp.
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A hinged pendant, often round or heart-shaped.
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Used to get a firm grip on small objects.
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A casting process where the burnout melts the wax model and molten metal is forced into the mold.
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A magnifying device for inspecting gemstones.
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A cabochon with a very slightly curved top.
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Also coolant. A liquid for keeing the machinery and/or gem material cool.
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A plastic lap for faceting.
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The optical effect resulting from light reflected from the surface of gem material. Examples: silky, pearly, vitreous.
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Monday, September 2, 2013
Jewelry Glossary - L
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