INL hosts ribbon cutting for pilot plant supporting domestic antimony production

INL hosts ribbon cutting for pilot plant supporting antimony production

IDAHO FALLS — The United States is one step closer to securing a domestic supply of antimony trisulfide, a critical mineral essential to national security, with the commissioning of a new modular mineral processing plant at the Idaho National Laboratory. The plant will initially process ore mined from Perpetua Resources’ Stibnite Gold Project to characterize […] The post INL hosts ribbon cutting for pilot plant supporting antimony production app…

INL hosts ribbon cutting for pilot plant supporting domestic antimony production

The Idaho National Laboratory commissioned a new modular mineral processing plant to process ore from Perpetua Resources' Stibnite Gold Project, marking a milestone in establishing a domestic supply of antimony trisulfide for national security.

Army-backed antimony pilot opens in Idaho – by Shane Lasley (Metal Tech News – July 30, 2026)

https://www.metaltechnews.com/ Pilot plant at Idaho National Laboratory aims to link Perpetua’s Stibnite mine to U.S. defense supply chains. Perpetua Resources Corp., the U.S. Army and Idaho National Laboratory have opened a pilot-scale processing plant in Idaho Falls designed to demonstrate the conversion of antimony samples from the Stibnite Gold Project into military-grade antimony trisulfide. The ...