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Mafix raises $5.4M pre-seed led by Azolla Ventures to commercialize carbon‑negative silicon fertilizers and scale a 1,000‑ton demo

Mafix, a Stanford-developed industrial startup, raised $5.4M in pre-seed funding led by Azolla Ventures to commercialize a proprietary process that converts abundant silicate rocks into carbon-negative silicon fertilizers; the company will produce a 1,000-ton demonstration batch to restore soil health, boost yields, and sequester CO2 as stable bicarbonate.