OAKLAND, Calif.–(BUSINESS WIRE)–After years of developing its patented Rock Refinery® in stealth, Brimstone, a U.S. industrial innovator, today announced plans to co-produce steel, aluminum, magnesium, titanium, and other critical minerals, in addition to its previously announced products, portland cement, smelter grade alumina, and supplementary cementitious materials (SCM). Brimstone’s breakthrough creates an efficient, cost-effective pathway to producing the most consumed materials on Eart