American Antimony Reports First MTA Results: 30.3% Sb Average Head Grade Produces 63% Sb Concentrate at 97% Recovery

Core Insights - American Antimony Corporation, operating as Xtra Energy Corp., reported significant test results from the Antimony King Mine, achieving a 30.3% average head grade and producing a 63% antimony concentrate with a recovery rate of 97% [1] Company Overview - American Antimony Corporation is focused on advancing high-grade antimony assets in the U.S. to ensure a secure domestic supply of this critical industrial mineral, which is utilized in flame retardants, batteries, defense alloys, and emerging energy applications [1] - The company's flagship project, the American Antimony Project, includes approximately 201 claims covering 4,153 acres in the Bernice Canyon district of Nevada, which has a history of high-grade antimony production [1] Test Results - The test work conducted by ALS Metallurgy involved a bulk sample of approximately 400 kilograms, resulting in a high-grade antimony concentrate of about 63% antimony and a recovery rate exceeding 96% [1] - The flotation process used was simple, involving grinding the material to approximately 75 microns and conditioning the slurry with flotation activators and collectors [1] Mineral Composition - The bulk sample analysis revealed a mineral composition of 41.8% stibnite, 0.8% antimony oxides, and 47.8% quartz, among other minerals [1] - The overall metallurgical balance indicated that the antimony concentrate weighed 45.4 kg with an assay of 62.6% antimony [1] Strategic Development - The results from the test work provide a strong technical foundation for scalable concentrate production pathways, enhancing the company's confidence in the Antimony King system as it progresses through staged development [1] - The CEO highlighted the importance of converting high head grades into premium-grade concentrates at high recovery rates, emphasizing the project's potential for production [1]