Zhi Tong Cai Jing·2025-09-26 07:07Group 1 - Perpetua Resources is negotiating with companies like Glencore and Trafigura to establish an antimony refining plant in the U.S. as part of efforts to increase Western antimony supply [1] - The company has received U.S. government approval to begin construction of its antimony mine located approximately 138 miles (222 kilometers) north of Boise, Idaho, which is expected to become the largest antimony supply source in the U.S. [1] - The mine is estimated to have 148 million pounds of antimony reserves and 6 million ounces of gold reserves, but faces legal opposition from the Nez Perce Tribe due to concerns over potential impacts on local salmon populations [1] Group 2 - Perpetua Resources plans to mine antimony but not refine it, prompting the search for partners to complete the necessary refining process [1] - The company is in discussions with Glencore, Trafigura, Clarios, and Sunshine Silver regarding refining partnerships and aims to seek proposals in the coming weeks, with a decision expected by the end of the year [1] - United States Antimony Corporation, which operates two antimony refining plants in North America, recently secured a contract worth up to $245 million from the U.S. Defense Logistics Agency for antimony ingot supply [2]