CR Minerals is a leading worldwide producer of high quality pumice products and pozzolan materials. Our locations include a m ... ine and plant, located just NW of Santa Fe, NM as well as a pozzolan production plant in Pueblo, CO. Our products are used in a wide variety of applications including abrasives, fillers, cleaners, paints, coatings, metal finishing, silicone rubber, plastics, water treatment, and construction materials. CR Minerals has been in business since 1948 and with our high quality pumice deposit and new processing plant, our products will continue to lead the market for decades to come. read more