Itronics Begins Planning For Rock Kleen Project To Demonstrate Silver, Gold, Copper, And Iron Recovery Technology Huge Environmental Benefits; Benefits for Mining Industry News provided by Share this article Share this article RENO, Nev., March 16, 2021 /PRNewswire/ -- Itronics Inc. (OTC:ITRO), an emerging "Cleantech Materials" growth Company that manufactures GOLD'n GRO Multi-Nutrient Fertilizers and produces silver, gold, zinc, and critical minerals recovered from industrial and mining waste, today reported it has initiated planning for a Rock Kleen processing project to demonstrate the revolutionary technology for recovering silver, gold, copper, iron, and industrial minerals from mine tailings. The global potential for Rock Kleen is to transform mining to an industry that provides benefits to the world by maximizing mineral sustainability without producing waste thereby providing significant positive benefits to the environment for the long-term future. One estimate is that the amount of mine tailings in the world would cover the nation of Ireland completely to a depth of two meters.