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CEMENT. STEEL.
CRITICAL MINERALS.
ALL FROM ONE ROCK.
01
Low Cost
Brimstone’s strategy unlocks multiple high-value materials from a single rock, streamlining operations and improving capital efficiency. This model will allow us to sell products at competitive market prices, enabling expansion and exports.
02
Market Ready
We produce standard materials—including cement, steel, aluminum, and critical minerals—designed to integrate into supply chains. Our first process leverages commercially available equipment, reducing risk and accelerating deployment.
03
Highly Efficient
Our patented co-production technology lowers costs, simplifies logistics, and dramatically reduces waste and emissions. The Brimstone process seeks to utilize 100% of our feed rock, eliminating tailings and maximizing efficiency.
Latest news
Brimstone goes public as ‘fourth great refinery’: roadmap includes cement, aluminum, steel, and other critical minerals
Rock Refinery® will produce commodities accounting for more than 95% of all mined materials on Earth, reshaping global supply chains, unlocking material abundance, and improving national security.
BRIMSTONE ROCK REFINERY
®
Our first plant will leverage the proven industrial strategy of co-production to deliver cement, supplementary cementitious materials (SCM), and alumina—deriving three high-value products from domestically sourced rocks. Future plants will use these same rocks to also produce aluminum, steel, magnesium, titanium, and additional products.
AS FEATURED IN
News
THE WALL STREET JOURNAL
Media
NETFLIX
Brimstone is featured on the new series, 'What's next? The Future with Bill Gates.'
News
AXIOS
After successful testing, Amazon to buy low-carbon cement from Brimstone's first plant.
News
THE WASHINGTON POST
Cement warms the planet. This green version just got a key nod of approval.
DIVE DEEPER
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