TSX:PPTAMetals and Mining
Is Perpetua Resources (TSX:PPTA) Antimony Pilot Plant the Key to Its Long-Term Defense Strategy?
Earlier in December 2025, Perpetua Resources announced a partnership with Idaho National Laboratory and the U.S. Army to develop a modular pilot plant that can produce military-grade antimony trisulfide from ores at its Stibnite Gold Project in Idaho.
The initiative positions Stibnite as a potential cornerstone of a domestic antimony supply chain for defense applications, aligning mineral development with U.S. national security objectives and regional job creation.
We’ll now examine how this...