troy weight

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troy weight

, troy
a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

troy weight

[′trȯi ‚wāt]
(mechanics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
With the price of gold inching toward the magic figure of $1,000 a troy ounce, mining companies are on the verge of taking a second look at offshore Alaska gold.
He said BSP's gold purchases drastically declined to 35,000 troy ounces in 2012 after BIR imposed the tax requirement in 2011 and further slid to 14,700 troy ounces of gold in 2017.
The El Mochito mine contributed approximately 10,000 tons of zinc concentrate, 4,900 tons of lead concentrate and 598,000 troy ounces of silver.
According to government data, the country produces between 178 and 200 troy ounces of gold a month, generating annual gold production at around 2,000 ounces.
Drilling at the Tulsequah Chief mine has found nearly 10 million tons of rock containing 1.48 percent copper, 1.17 percent lead, 6.85 percent zinc, 0.07 troy ounces of gold and 2.72 troy ounces of silver per ton.
Inductotherm manufactures a complete line of coreless and channel-type induction melting systems with furnace capabilities ranging from troy ounces to 250 tons and power supplies from 15-23,000 kW.
The company has estimated inferred resources for Santo Domingo are about 3.5 million tons of ore, which could hold about 520,000 troy ounces of gold.
International Resource News-February 8, 2011--Gold Fields has five year plan for 5 million troy ounces of gold production(C)1994-2011 ENPublishing - http://www.enpublishing.co.uk
The company aims to produce between 510,000 troy ounces and 530,000 ounces of gold in 2010, compared to earlier targets of 670,000 ounces and 760,000 ounces.
RGM in 2008 produced 315,000 troy ounces (nearly 10,000 kilos), while the Suriname government which has a 5% stake in the company received nearly US$50 million from royalties, income-tax and other duties.