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American Antimony Corp. Signs Metallurgical Testing Agreement with Silver Opportunity Partners LLC, a Subsidiary of Sunshine Silver Mining & Refining Company (SSMRC)
American Antimony Corp. Signs Metallurgical Testing Agreement with Silver Opportunity Partners LLC, a Subsidiary of Sunshine Silver Mining & Refining Company (SSMRC).
About this update from Xtra Energy Corp.
[{"type":"text","content":"\r\n\r\n \r\n \r\n American Antimony Corp. Signs Metallurgical Testing Agreement with Silver Opportunity Partners LLC, a Subsidiary of Sunshine Silver Mining & Refining Company (SSMRC)\r\n \r\n \r\n\r\n\r\nAmerican Antimony Corp. Signs Metallurgical Testing Agreement with Silver Opportunity Partners LLC, a Subsidiary of Sunshine Silver Mining & Refining Company (SSMRC)\r\n\r\n\r\n\r\n\r\n\r\nAUSTIN, TX / ACCESS Newswire / December 8, 2025 / American Antimony Corporation (OTCID:XTPT), operating as Xtra Energy Corporation, a U.S.-based mineral development company focused on domestic antimony resources, and Silver Opportunity Partners LLC, a subsidiary of Sunshine Silver Mining & Refining Company (SSMRC), are pleased to announce they have entered into a formal Metallurgical Testing Agreement (MTA) to evaluate antimony-bearing material from American Antimony's American Antimony Project, located in Bernice Canyon, Nevada.\r\n Through the agreement, American Antimony will supply test shipments of high-grade antimony ore for evaluation under the terms outlined in a Scope of Work, which governs the sampling, testing, and analysis procedures. Under the Scope of Work, Silver Opportunity Partners will conduct a series of metallurgical tests designed to:\r\n \r\n Estimate antimony recoveries;\r\n Identify potential penalty or deleterious elements;\r\n Assess reagent consumption and processing compatibility; andDetermine the overall suitability of the material for integration into the existing Sunshine Silver flowsheet.\r\n \r\n Initial testwork will be performed through third-party laboratories in coordination with Silver Opportunity Partners and SSMRC's technical team. If results indicate compatibility, the parties may elect to expand the testing program under mutually agreed terms to confirm full-scale processing suitability.\r\n \"This agreement represents another important step in developing a fully integrated, American-controlled supply chain for antimony,\" said Mac J. Shahsavar, P.Eng., CEO of American Antimony Corp. \"We're proud to collaborate with a respected domestic partner like Sunshine Silver. This work will not only help validate the processing characteristics of our Nevada-sourced material but also advance the broader goal of establishing U.S. refining capability for this critical mineral.\"\r\n Both companies no...