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    Steenkampskraal Phase 1 monazite plant: flowsheet lessons for project engineers

    October 9, 2026|

    Reviewed by Tom Sullivan

    First reported on International Mining – News

    30 Second Briefing

    Steenkampskraal Monazite Mine in South Africa’s Western Cape has officially commissioned Phase 1 of its monazite concentrate plant, moving what is described as the world’s highest-grade rare earth deposit from laboratory-scale testwork to commercial mineral processing. Opened by Mineral and Petroleum Resources Minister Gwede Mantashe, the facility will produce a monazite concentrate feedstock rather than separated oxides in this initial phase. For project engineers and metallurgists, the step confirms that the flowsheet and plant configuration are now proven at commercial scale, de-risking subsequent expansion phases.

    Technical Brief

    • For similar mining projects, a concentrate-first strategy can reduce upfront capex and technical complexity.

    Our Take

    For South Africa, a rare earth project like Steenkampskraal adds a strategic layer to a mining portfolio still heavily weighted to PGMs, coal and gold, which may give the state more leverage in downstream negotiations around critical minerals supply chains.

    The commissioning of a monazite concentrate plant at Steenkampskraal suggests a phased development path where early-stage concentrate output can underpin financing and offtake discussions before any move into higher-capex separation or refining capacity.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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