Brimstone

About Brimstone

Brimstone develops next‑generation industrial processes to decarbonize cement, supplementary cementitious materials (SCM), and alumina production from domestically sourced rock. Through its Rock Refinery technology, the company co-produces Portland cement, SCM, and smelter-grade alumina at industrial scale with a focus on sustainability and cost-competitiveness. The approach aims to reduce carbon emissions in cement and aluminum supply chains while expanding domestic capacity and exports. Brimstone operates in the global heavy industry minerals sector, with emphasis on advancing low‑carbon construction materials.