Felix Gold’s Treasure Creek: Unlocking Military-Grade Antimony

The linchpin of modern defense and green technologies lies in a somewhat obscure metalloid: antimony. While many might not recognize its name, antimony’s unique properties make it indispensable in a wide array of applications, particularly in military equipment and next-generation batteries. As geopolitical tensions rise and the demand for sustainable energy solutions intensifies, securing a stable antimony supply has become a critical imperative. Felix Gold’s Treasure Creek project in Alaska emerges as a potential game-changer, poised to unlock a domestic source of military-grade antimony and reduce reliance on foreign suppliers. According to a Govini analysis, 78% of Pentagon weapon systems rely on antimony or other China-dominated minerals, highlighting the urgency of securing domestic sources.

Antimony: The Unsung Hero of Military Might

Antimony’s strategic importance stems from its unique ability to enhance the properties of other materials. In the defense sector, antimony plays several crucial roles:

Ammunition: Antimony hardens lead in bullets and projectiles, improving their performance and durability. It is also a key component in primers, ensuring reliable detonation under battlefield conditions.
Flame Retardants: Antimony compounds are essential flame retardants in military equipment, vehicles, aircraft interiors, and protective gear, providing crucial minutes for personnel evacuation during emergencies. These compounds can reduce fire spread rates by up to 60%.
Defense Electronics: Antimony-doped materials enhance semiconductor performance in targeting systems, communication equipment, night vision goggles, infrared sensors, and other defense electronics.
Alloys: Antimony-based alloys provide hardening properties for vehicle components subject to extreme stress, extending operational lifespans in demanding environments. They are even incorporated into the armor of tanks like the M1 Abrams, enhancing ballistic protection.
Nuclear Applications: Antimony plays a role in nuclear weapons production and tritium production. It is also used in radiation shielding.

The U.S. Department of Defense relies heavily on antimony for its military applications, making a secure supply chain essential for national security.

The Geopolitical Chessboard: China’s Grip on Antimony

For decades, China has dominated the global antimony market, controlling a significant portion of both production and reserves. In 2023, China supplied more than 80% of worldwide antimony production. This near-monopoly has raised concerns about potential supply disruptions and price volatility, particularly in light of escalating geopolitical tensions. China’s control over a substantial portion of the antimony supply chain poses a significant risk to global markets. Disruptions in Chinese production or trade policies could lead to price volatility and supply shortages, impacting industries worldwide.

In recent years, China has taken steps to tighten its control over critical mineral exports, including antimony. These restrictions have further exacerbated supply chain vulnerabilities and driven antimony prices to record highs. Prices have surged since April 2024 due to a severe supply shortage. According to Fastmarkets, prices in Rotterdam rose at their fastest rate in over 40 years. In May 2025, the Shanghai Metals Exchange reported prices reaching $17,588 per metric ton, a 54% increase in 2024. Some market speculation suggests that prices could reach $100,000 per ton.

This situation has prompted the U.S. and other countries to seek alternative sources of antimony and reduce their reliance on China. As Christopher Ecclestone, Mining Strategist at London-based Hallgarten & Company, said, global demand for antimony in the coming years “cannot be met from current supplies.”

Treasure Creek: A Strategic Asset in Alaska

Felix Gold’s Treasure Creek project in the Fairbanks Gold Mining District of Alaska holds significant promise as a domestic antimony source. The project boasts several key advantages:

High-Grade Antimony Zones: Assays from reverse circulation drilling at Treasure Creek have confirmed the discovery of high-grade antimony zones near the surface. Best intersections included 1.5 meters at 26% antimony from 22.86m; 16.76m at 1.91% antimony from 51.82m; 6.1m at 13% antimony from 30.48m; and 6.1m at 7.69% antimony from 3.05m, including 1.52m at 28% from 6.1m.
Historical Significance: Treasure Creek is home to the historic Scrafford mine, which operated intermittently from 1915 to 1977 and achieved grades from 38% to 56% antimony. Over time, Scrafford became the second largest producer of antimony in Alaska.
Military-Grade Concentrate: Recent metallurgical test work on high-grade stibnite veins from Treasure Creek has delivered military-grade antimony concentrate using only a single flotation pass. The results show flotation feed containing 89.2% antimony-bearing minerals and an exceptionally low impurity profile, enabling concentrate grades of up to 74% antimony—above the 70% minimum required under the US military specification MIL-A-22131.
Multiple Processing Pathways: Metallurgical test results from recent testwork of the massive stibnite veins at the Treasure Creek NW Array prospect, two pathways have been independently validated, with a third identified, providing optionality in design, speed, and integration. All three pathways utilize proven, non-proprietary technologies.
Strategic Location: Located in a secure, mining-friendly jurisdiction, Treasure Creek offers a stable and reliable source of antimony for the U.S.

Felix Gold is advancing every element required for production – from baseline environmental studies and permitting through to engineering design, exploration expansion, and feasibility studies – ensuring a technically robust and environmentally responsible pathway to near-term US supply. The company is targeting production at Treasure Creek by the end of 2025.

The Economic and Legal Landscape

The development of Treasure Creek could have significant economic benefits for Alaska and the United States. A domestic antimony source would create jobs, stimulate investment, and reduce reliance on foreign suppliers.

However, mining projects also face legal and regulatory hurdles. Companies must comply with environmental regulations, obtain permits, and address potential impacts on local communities. These processes can be lengthy and complex, requiring careful planning and execution. It’s important to note that no feasibility study has been completed; production scenarios are conceptual only and subject to completion of appropriate technical studies, feasibility work, permitting, and board approval.

Investing in Antimony: A Strategic Opportunity?

The growing demand for antimony, coupled with supply chain vulnerabilities, has created a potentially attractive investment opportunity. Companies with antimony assets in politically stable jurisdictions are particularly well-positioned as defense contractors and governments seek to establish secure supply chains outside Chinese and Russian influence.

However, investing in mining projects also carries risks. Commodity prices can fluctuate, and projects may face technical challenges or regulatory delays. Investors should carefully consider these factors before making any decisions.

The Road Ahead

As the world grapples with geopolitical uncertainty and the urgent need for sustainable energy solutions, antimony’s strategic importance will only continue to grow. Felix Gold’s Treasure Creek project represents a promising opportunity to unlock a domestic source of this critical mineral and bolster U.S. national security. By navigating the economic, legal, and environmental challenges, Felix Gold can pave the way for a more secure and resilient antimony supply chain.

Is Treasure Creek a potential solution to the antimony supply crisis? What other measures can be taken to ensure a stable supply of this critical mineral?