TROY WEIGHT:
A traditional system of measuring the weight of gold, named after Troyes in France. Troy weight uses grains, pennyweights, ounces and pounds. The Troy ounce and pound are not the same as the US ounce and pound.
Troy Weight
The measure used to weigh Gold, Silver and jewels. In Troy weight, the pound = 12 ounces, the ounce = 20 pennyweights, and the pennyweight = 24 grains.
Troy Weight: gold and silver are measured in "Troy weight", from Troyes in France, a system that includes Pennyweight, ounces and pounds. The ounces and pounds do not equal the Avoirdupois or customary U.S.
TROY WEIGHT
Precious metals (like gold, platinum, and silver) are measured in troy weight, which has units of pennyweights, ounces, and pounds. Troy ounces and pounds are different from everyday US measures.
troy weight
A system of measure for the weight of precious metals. 1 troy pound is equal to 12 troy ounces or 240 pennyweights (Dwt) or 576 grains
vermeil
Gold plated or gilded silver ...
Troy Weight
Gold and silver are measured in Troy weight, a system that includes pennyweights, ounces and pounds. The ounces and pounds do not equal the Avordupois or customary U.S. system that other common goods are measured in.
Like all precious metals, gold is measured by grams or troy weight. When it is alloyed with other metals the term "carat" or "karat" is used to indicate the amount of gold present, with 24 Carats being pure gold, and lower ratings proportionally less.
Pennyweight: A unit of Troy weight, used for weighing precious metals.
Pickle: A mixture of about nine parts water and one part sulfuric acid, used by jewelers for cleaning gold and silver work after soldering.
Troy ounce: A unit of Troy weight, used for weighing precious metals. The ounce contains 20 pennyweights (DWT) each of 24 grains. A Troy pound, a measurement never used for precious metals, contains twelve ounces.
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 See also: Water, Troy ounce, Zircon, Turquoise, Zoisite
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