System of measurement The same is true of quarts, gallons, etc. Six US gallons are a little less than five imperial gallons. The Avoirdupois system served as the general system of mass and weight. In addition to this there are the Troy and the Apothecaries' systems. Troy weight was customarily used for precious metals, black powder and gemstones. The troy ounce is the only unit of the system in current use; it is used for precious metals. Although the troy ounce is larger than its Avoirdupois equivalent, the pound is smaller. The obsolete troy pound was divided into 12 ounces, rather than the
Texas Precious Metals Texas Precious Metals Texas Precious Metals, based in Shiner, Texas, is one of the largest precious metals dealers in the United States. The company reported annual revenues of $180.1 million in 2013 and $153.2 million in 2014. The company is recognized as a market maker for United States Mint products and is an official distributor for the Perth Mint of Australia. Texas Precious Metals also produces it own line of precious metals products through its division, Texas Mint. In 2010, Texas Precious Metals originated as a joint venture project between Saab & Company Inc. and Kaspar Texas Traditions (KTT). The