Rumble Resources Ltd Metallurgical Breakthrough Validates Western Queen Development

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Rumble Resources Ltd has achieved a significant metallurgical breakthrough at its Western Queen Gold and Tungsten Project, demonstrating exceptional technical capabilities that position the company for rapid development. The breakthrough validates Rumble Resources Ltd metallurgical breakthrough potential, with results showing the production of a 48% grade WO₃ concentrate at 45% recovery using conventional gravity processing methods.

Furthermore, this achievement comes during an unprecedented tungsten market surge, with global prices soaring over 500% in the past year. Consequently, Rumble is fast-tracking development to capitalise on this exceptional market opportunity whilst advancing its established gold production plans.

Strong Metallurgical Performance Validates Dual-Commodity Approach

The comprehensive testwork programme, conducted by ALS Metallurgy under supervision from Scott Dalley Francks, achieved several critical milestones. Moreover, these results demonstrate that Rumble Resources Ltd metallurgical breakthrough extends beyond initial expectations.

Key Metallurgical Results:

• WO₃ concentrate grade: 48% with 45% recovery
• Gold recovery: Maintained at approximately 92% overall with minimal losses (<1%) to tungsten concentrate
• Separation efficiency: Clean separation of both commodities with gold grade of only 1.6 g/t in WO₃ concentrate
• Sulphur content: Low at 0.73% in final tungsten concentrate

The flowsheet development successfully demonstrated that a simple "bolt-on" processing facility could be integrated into existing gold plants. In addition, this modular approach significantly reduces capital requirements and development timelines, offering flexibility for staged development.

"The metallurgical testwork on the scheelite material at Western Queen has confirmed we can upgrade the material to a concentrate containing 48% WO₃ at a 45% recovery via a simple and conventional gravity circuit. This is excellent news and we have already commenced work on a scoping study to fast track the tungsten into production alongside our planned gold production," stated Peter Harold, Managing Director & CEO.

Resource Base Supports Robust Production Profile

The metallurgical results build on Rumble's maiden tungsten Mineral Resource Estimate announced in August 2025. However, this Rumble Resources Ltd metallurgical breakthrough transforms these resources into viable production targets.

The higher-grade portion at 0.51% WO₃ represents the initial focus for the current scoping study. Furthermore, this targets production rates of 200-300 ktpa to optimise mining economics and processing efficiency.

The resource demonstrates excellent continuity across three prospects: WQ Central, Princess, and WQ South. For instance, WQ South shows the strongest grades at 0.34% WO₃ and represents the largest portion of the resource base.

Fast-Track Development Strategy Takes Shape

Rumble has launched an independent scoping study targeting the higher-grade tungsten material. Consequently, completion is expected by Q2 2026, evaluating a conventional processing circuit producing marketable concentrate for western refineries.

Scoping Study Parameters:

• Mining rate: 200-300 ktpa (to be optimised through detailed mine planning)
• Concentrate specifications: 48% WO₃ grade at 45% recovery
• Gold recovery: 92% from scheelite concentrate through conventional processing
• Development approach: Integration with existing gold mining operations

The company has commenced discussions with Sepro Systems regarding modular, low-cost gravity processing equipment. In addition, this enables rapid deployment and minimises capital requirements.

Key Study Outputs Include:

1. Annual production tonnages and concentrate specifications
2. Processing plant sizing and capital cost estimates
3. Operating cost projections for the add-on facility
4. Financial metrics including NPV and IRR across tungsten price scenarios
5. Integration timeline with planned gold production

Understanding Scheelite: The Strategic Tungsten Mineral

What is Scheelite?

Scheelite (CaWO₃) is the primary ore mineral of tungsten, representing approximately 70% of global tungsten production. However, unlike other tungsten minerals, scheelite responds well to conventional gravity processing due to its high specific gravity.

Why Does This Matter to Investors?

The metallurgical testwork confirmed Western Queen's scheelite mineralisation exhibits excellent processing characteristics. Furthermore, this includes optimal liberation at conventional grind sizes and clean separation from both gold and gangue minerals.

This reduces technical risk and capital requirements compared to more complex tungsten deposits requiring flotation or chemical processing. Moreover, the ability to produce a 48% WO₃ concentrate places Western Queen's product in the premium category for direct sale to tungsten refineries.

Marketing and Commercial Positioning

Rumble has initiated discussions with potential WO₃ concentrate buyers to establish payability terms and freight costs. However, this early engagement supports the scoping study financial modelling and validates market access for projected annual production.

The timing aligns favourably with global tungsten supply constraints and unprecedented price strength. For instance, the 500% price increase over the past year reflects fundamental supply-demand imbalances in strategic metal markets.

Alternative Development Pathway

The company is evaluating Concept 2 flowsheet options that could potentially reduce capital costs and accelerate development. Furthermore, this involves recovering scheelite at coarser grind sizes whilst maintaining fine grinding for gold processing.

Investment Thesis: Positioned for Exceptional Market Timing

Western Queen represents a compelling dual-commodity opportunity with several key investment drivers converging. Moreover, the Rumble Resources Ltd metallurgical breakthrough provides the technical foundation for exceptional returns.

Market Timing Advantages:

• Tungsten prices at historic highs with 500% gains creating exceptional margins
• Supply constraints supporting sustained pricing strength
• Strategic metal classification driving western supply security initiatives

Technical Advantages:

• Simple, conventional processing with proven metallurgical performance
• Bolt-on facility design minimising capital requirements
• Clean commodity separation maintaining both gold and tungsten recoveries
• Modular development approach enabling staged production growth

Operational Integration Benefits:

• Concurrent mining with established gold operations optimising extraction costs
• Existing infrastructure and permitting providing development advantages
• Experienced management team with proven delivery track record

Financial Positioning:

• Dual revenue streams providing operational flexibility and risk mitigation
• Premium concentrate specifications maximising realised pricing
• Low-cost processing approach supporting robust project margins

Why Should Investors Follow Rumble Resources?

Rumble Resources has positioned itself as a unique dual-commodity producer in one of the world's premier mining jurisdictions. Furthermore, the company possesses the technical capability and market timing to deliver exceptional shareholder returns.

The systematic approach to metallurgical validation, combined with the unprecedented tungsten market opportunity, creates compelling reasons for continued investor attention. However, investors should monitor key developments closely.

Key Tracking Points:

1. Q2 2026: Completion of tungsten scoping study with detailed financial projections
2. Ongoing: Marketing discussions establishing off-take agreements and pricing terms
3. 2026: Integration timeline with gold production development
4. Market conditions: Continued tungsten price strength supporting exceptional project economics

The convergence of technical validation, favourable market conditions, and systematic development execution positions Western Queen as a standout opportunity. Consequently, this represents one of the current mining landscape's most compelling stories.

Rumble Resources has validated the technical foundation for Western Queen's development as a significant dual-commodity producer. With exceptional market timing in tungsten creating unprecedented value creation potential, and the scoping study advancing toward Q2 2026 completion, investors should closely monitor this compelling development story in one of mining's most dynamic commodity sectors.

Ready to Capitalise on This Tungsten Breakthrough?

With Rumble Resources achieving exceptional metallurgical results of 48% WO₃ concentrate at 45% recovery, and tungsten prices surging over 500%, the Western Queen Project presents a compelling dual-commodity opportunity. As the company fast-tracks its scoping study for Q2 2026 completion, investors positioning early could benefit from what appears to be exceptional market timing. Discover how Rumble's systematic development approach and proven technical capabilities could deliver significant returns by exploring the full investment opportunity at their website.