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 is improved with the addition of thorium. Tellurium is added to copper and steel alloys to improve their machinability; and to lead to make it harder and more acid-resistant. The biocidal effects of some heavy metals have been known since antiquity. Platinum, osmium, copper, ruthenium, and other heavy metals, including arsenic, are used in anti-cancer treatments, or have shown potential. Antimony (anti-protozoal), bismuth (anti-ulcer), gold (anti-arthritic), and iron (anti-malarial) are also important in medicine. Copper, zinc, silver, gold, or mercury are used in antiseptic formulations; small amounts of some heavy metals are used to control algal growth in, for example,