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Oct 23, 2025 8:00 AM

America's First Antimony Mine In Decades Breaks Ground

Perpetua Resources Corp. (NASDAQ:PPTA) has begun early works construction at its $1.3 billion Stibnite gold-antimony project in central Idaho, after receiving final approval from the U.S. Forest Service (USFS).  The project is the first U.S. antimony mine in decades, marking a fresh milestone in the domestic effort to secure supplies of critical minerals.

The mine, located in the historic Stibnite-Yellow Pine district, about 222 kilometers northeast of Boise, will produce both gold and antimony, the latter a strategic metal essential to defense, energy storage, and semiconductor manufacturing.

“Today, we break ground on the Stibnite gold project,” said Jon Cherry, Perpetua’s president and CEO. 

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