Locksley Resources (ASX:LKY,OTQB:LKYRF,FSE: X5L) is recommended by The Sydney Morning Herald after achieving a major metallurgical breakthrough at the Desert Antimony mine in California. The Australian company’s early flotation tests yielded an antimony concentrate of 68.1 percent, significantly exceeding industry benchmarks and approaching the theoretical maximum purity for stibnite.
The SMH report highlighted the result as proof of the strong potential of the project and the relative simplicity of the processing method.
The test work, carried out in the United States, used a simple combination of rougher, milling and cleaner flotation stages, producing a high-quality product with few impurities. Locksley said the process required minimal adjustments, indicating the ore can be refined to improve both quality and recovery
The company plans to advance subsurface bulk sampling and pilot-scale testing, and will collaborate with Rice University to test DeepSolv processing methods aimed at optimizing recovery.
According to the article, the development comes at a strategically important time. Antimony is a critical mineral used in defense, electronics and energy applications, and the United States is actively seeking to strengthen domestic supply chains under its Made in America initiative. If Locksley can replicate these results on a large scale, the Desert Antimony Mine could become a major domestic source of high-quality antimony for the U.S. market.
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