Texas Precious Metals rate of 372% from 2011 through 2013. In 2015, Inc. (magazine) recognized Texas Precious Metals as a member of the Inc. 500. Texas Precious Metals, the largest subsidiary of Kaspar Texas Traditions comprising 99.8% revenue, was ranked the #200 fastest growing private company in America with a 3-year growth rate of 2,095%. In 2016, Texas Precious Metals responded to Texas HB 483 with a proposed solution for the Texas Bullion Depository but lost its bid to Lone Star Tangible Assets. The company's signature product is the Texas Silver Round, a premium one troy ounce .9999 percent silver round. The silver
Heavy metals of heavy metals are generally given as greater than 20 (calcium); sometimes this is capped at 92 (uranium). Definitions based on atomic number have been criticised for including metals with low densities. For example, rubidium in group (column) 1 of the periodic table has an atomic number of 37 but a density of only 1.532 g/cm, which is below the threshold figure used by other authors. The same problem may occur with atomic weight based definitions. The United States Pharmacopeia includes a test for heavy metals that involves precipitating metallic impurities as their coloured sulfides." In 1997, Stephen Hawkes, a