Troy weight troy relates to a dialect word troi (balance). Then troy weight is a style of weighing, like auncel or bismar weights, or other kindred methods. The troy weight then refers to weighing of small precious or potent goods, such as bullion and medicines. Troy ounces are still often used in precious metal markets in countries that otherwise use International System of Units (SI), except in East Asia. The People's Bank of China, in particular, which has never historically used troy measurements, has begun issuing Gold Pandas minted according to SI weights. The troy pound is 5 760 grains (≈ 373.24
Wheaton Precious Metals Corporation (18,600 oz). When converted to silver equivalent using the gold to silver ratio, gold from 777 accounted for 40.5% of the increase in total production in 2012. Wheaton Precious Metals Corporation Silver Wheaton Corp. is a no longer pure play silver mining company but still the largest in the business of silver streaming. It produces over 26 million ounces and sells over 29 million ounces of silver mined by other companies (including Barrick Gold and Goldcorp) as a by-product of their main operations. In 2016 Silver Wheaton reported attributable production totaling 30.4 million ounces of and 353,700 ounces of .