Archive for the ‘Glossary’ Category
TROY OUNCE
A weight unit for precious metals predominately used in England and the U.S.В Twenty pennyweights (dwt) equals one troy ounce, and twelve troy ounces [...]
November 19, 2009
Tags: precious, predominately, troy pound Posted in: Glossary 
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ULTRASONIC CLEANER
A machine commonly used by jewelers to clean jewelry effectively.В The ultrasonic vibrations free most types of dirt, grime, and oils from the items. Some [...]
November 19, 2009
Tags: dirt, grime, jeweler, ultrasonic Posted in: Glossary No Comments
ULTRAVIOLET LIGHT
Light that is invisible to the naked eye because it consists of wavelengths shorter than those of visible light.
November 19, 2009
Tags: visible light, wavelengths Posted in: Glossary No Comments
VERMEIL
Silver overlaid with gold (gold-plated silver).
November 19, 2009
Tags: gold, Silver Posted in: Glossary No Comments
WHITE GOLD
An alloy of yellow gold that has silver, zinc, or platinum as a whitening agent.
November 19, 2009
Tags: platinum, yellow gold Posted in: Glossary No Comments
MAKE
Trade term referring to the proportions, symmetry, and polish of a gemstone.
November 19, 2009
Tags: proportions, symmetry Posted in: Glossary No Comments
IRIDESCENCE
Prismatic colors inside or on the surface of a material caused by light interference from thin layers of differing refractive indices. These layers may be [...]
November 19, 2009
Tags: exhibiting, material, refractive Posted in: Glossary No Comments
FOUR C’S
A phrase used to describe a diamond’s value characteristics, all starting with the letter “C”: cut, color, clarity, and carat weight.
November 19, 2009
Tags: carat, diamond Posted in: Glossary No Comments
