Troy weight Troy weight Troy weight is a system of units of mass customarily used for precious metals and gemstones. One troy ounce (abbreviated "t oz" or "oz t") is equal to exactly , (or about 1.0971 oz. avoirdupois, the "avoirdupois" ounce being the most common definition of an "ounce" in the US). There are only 12 troy ounces per troy pound, rather than the 16 ounces per pound found in the more common avoirdupois system. The avoirdupois pound has 7000 grains whereas the troy pound has only 5760 grains (i.e. 12 × 480 grains). Both systems use the same grain defined
Texas Precious Metals Metals (NASDAQ: AMRK), a publicly traded precious metals wholesaler, to manufacture and distribute Texas Mint products to dealers throughout the United States. In 2014, Texas Precious Metals and the Perth Mint of Australia released the Houston-Perth "Sister Cities" coin, commemorating the strong ties between the cities' energy sectors. The half-ounce, 99.9% pure silver coin features offshore and onshore oil rigs showcasing the cities' historic energy sectors. The coin also pays homage to the flags of Texas and Australia. The coin measures 32mm in diameter with a thickness of 2mm, and has a legal tender face value of AUD$0.50. The coins