The US International Development Finance Corporation has committed $50 million to a south africa rare earth project at Phalaborwa — a decision maintained under the Trump administration despite a February 2026 executive order halting broader financial assistance to South Africa. That minerals-over-diplomacy signal positions the country as home to two of Africa’s most commercially credible Western-aligned rare earth assets.
South Africa Rare Earth Deposits — Two Projects, Two Approaches
South Africa’s near-term rare earth production is anchored by two distinct assets: the Phalaborwa Rare Earths Project in Limpopo Province and Steenkampskraal Monazite Mine in the Western Cape. They differ in geology, stage of development, and funding structure — but share an explicit orientation toward non-Chinese offtake markets.
This strategic posture sets South Africa apart from several other African jurisdictions. Tanzania’s Ngualla project, by contrast, is structured around 100% Chinese offtake via Shenghe Resources — a contrast explored in our Tanzania rare earth country profile. Uganda’s emerging assets similarly lack the Western government backing now confirmed at Phalaborwa — see Uganda rare earth for context.
South Africa and Tanzania combined hold an estimated 1.6 million tonnes of rare earth reserves — approximately 2% of the global total, according to USGS data. Fitch Solutions projects South Africa alone could reach world’s seventh-largest rare earth producer status by 2034, based on a combined output of 12.4 kt/year from its three most advanced projects.
Phalaborwa — Rainbow Rare Earths and US Strategic Backing
Rainbow Rare Earths (LSE: RBW) is developing a brownfield phosphogypsum deposit at Phalaborwa, Limpopo Province. The resource consists of two surface stacks totalling 35.0 Mt at 0.44% TREO (JORC-compliant measured and indicated). The material is industrial waste from historic phosphate and fertiliser production — it has already been chemically cracked, eliminating the blasting, crushing, and flotation costs that burden conventional rare earth projects.
The processing route uses sulphuric acid leaching of the phosphogypsum stacks, followed by CIX purification and a cerium depletion step. Two product streams result: separated NdPr oxide for permanent magnet supply chains, and a SEG+ MREC fraction containing dysprosium, terbium, samarium, europium, gadolinium, and yttrium. Up to 90% renewable energy is targeted at the site. A definitive feasibility study (DFS) is expected before end-2026; first production is targeted for 2028.
The $50 million equity investment committed by the DFC was structured via TechMet and maintained as a strategic priority despite the broader US-South Africa diplomatic rift. CEO George Bennett has stated that Rainbow’s primary target market is the United States, with defence supply chain qualification cited as a key commercial objective. Phalaborwa’s site infrastructure — existing rail links, local sulphuric acid supply, an Eskom grid switchyard on site, and an airport within five minutes — reduces execution risk materially relative to greenfield alternatives.
Production at steady state is targeted at approximately 1.9 kt/year of separated magnetic REO, combining NdPr and HREO fractions. That volume would contribute meaningfully to US ex-China sourcing targets for neodymium and dysprosium.
Steenkampskraal — The World’s Highest-Grade Rare Earth Deposit
Steenkampskraal, located 71 km north of Vanrhynsdorp in the Western Cape, holds the distinction of being the globally highest-grade rare earth deposit in development. The resource grades at 14.5% run-of-mine TREO — an order of magnitude above the typical 0.3–1.0% grades of most hard-rock rare earth projects. The proven and probable reserve stands at 799,700 tonnes (including dilution) at 8.68% TREO, containing approximately 69,400 tonnes of rare earth oxides.
The basket composition skews heavily toward magnetic and heavy rare earths: neodymium accounts for 56.59% of REO content, with dysprosium at 14.19%, praseodymium at 12.43%, and terbium at 9.62%. That basket is among the most commercially valuable available in any primary deposit globally, with direct relevance to the terbium price and NdFeB magnet supply chains. Gadolinium (2.12%) and cerium (1.95%) complete the primary basket.
Steenkampskraal Holdings (SHL) is developing the site in partnership with Bora Mining Investments (BMI). The mine operated under Anglo American between 1952 and 1963, and approximately ZAR 1 billion has already been invested in infrastructure. South Africa’s Industrial Development Corporation (IDC) confirmed the first of four funding tranches in September 2025 to support the Phase 1 concentration plant. A soil-turning ceremony was held in late April 2026 — within days of this article’s publication — signalling that surface construction has formally commenced.
Development follows a six-phase roadmap. Phase 1 produces monazite concentrate (targeted at approximately 6,600 t/year on ramp-up, rising to ~13,400 t/year at steady state). Phase 2 adds a cracking plant to produce mixed rare earth carbonate plus thorium, with commissioning targeted by end-2026. Phase 3 introduces a separation plant for individual rare earth oxides from 2027. CEO Graham Soden has stated a target of becoming revenue-generating before end-2026 through Phase 1 concentrate sales.
A notable by-product stream involves thorium, for which a certificate of registration (COR23) has been granted by South Africa’s National Nuclear Regulator (NNR). SHL has entered into a partnership with Thor Medical for the extraction of Radium-228 from thorium residues — a targeted alpha therapy isotope used in cancer treatment. The NNR has accepted an authorisation change request for surface operations, a key milestone enabling contractor engagement. The South African New Order Mining Right (NOMR) has been held since 2010.
South Africa Rare Earth and the Western Supply Chain
Both primary south africa rare earth projects are structurally oriented toward Western supply chains. Rainbow’s offtake is targeted at the US defence and EV markets; Steenkampskraal is in advanced discussions with international partners — no binding agreement has been confirmed, but the direction is non-Chinese. This alignment reflects the South African government’s Minerals Beneficiation Strategy (adopted June 2011), which mandates domestic value addition rather than raw material export — a policy that supports both projects’ phased processing buildouts.
The DFC’s decision to maintain Phalaborwa investment despite diplomatic friction is a significant data point for Western minerals policy. It demonstrates that US strategic minerals priorities can override bilateral foreign policy positions in African resource contexts — a pattern with implications for other African critical mineral projects seeking Western capital. This dynamic is examined more broadly in our analysis of Western rare earth companies and government partnerships.
South Africa’s established mining infrastructure — mature contractors, functioning ports, grid connectivity, and established regulatory frameworks — gives it a credibility advantage over earlier-stage African jurisdictions. Pensana’s Angolan Longonjo asset (Pensana profile) illustrates that African REE assets can attract Western capital, but Phalaborwa and Steenkampskraal offer more advanced technical derisking. Both projects also appear in our assessment of top Western rare earth supply chain projects and are relevant to the supply chain risks tracked in top rare earth supply chain risks.
South Africa Rare Earth Outlook
Fitch Solutions projects that South Africa could reach 12.4 kt/year of combined REO output by 2034, drawing on Phalaborwa, Steenkampskraal, and a third Bushveld carbonatite project in the Northern Cape [VERIFY: Zandkopsdrift developer and project status]. That would position South Africa as Africa’s top rare earth producer and the world’s seventh-largest — ahead of Australia and Canada on current projections. Benchmark Mineral Intelligence separately estimates that eight new African mines could supply 9% of global rare earth output by 2029.
The near-term milestones to watch are concrete: Steenkampskraal’s Phase 2 cracking plant commissioning is targeted by end-2026 and represents the first hard revenue event for the South African industry. Rainbow’s DFS completion — expected before end-2026 — will define Phalaborwa’s capital cost and production economics, and is likely to trigger the next financing round ahead of a 2028 production start.
South Africa does not yet have a commercial-scale operating rare earth mine. These projections are targets, not confirmed production schedules, and are subject to revision based on financing conditions, permitting timelines, and market demand. Both companies have comparable African development-stage peers navigating similar execution risks.
This article is for informational purposes only and does not constitute investment advice. Prices and production estimates are subject to change without notice.
Does South Africa have rare earth deposits?
Yes. South Africa hosts two of Africa’s most advanced rare earth projects: the Phalaborwa Rare Earths Project in Limpopo Province, developed by Rainbow Rare Earths (LSE: RBW) from a 35 Mt phosphogypsum resource grading 0.44% TREO, and Steenkampskraal Monazite Mine in the Western Cape, grading at 14.5% run-of-mine TREO — the highest-grade rare earth deposit in the world. South Africa and Tanzania combined hold approximately 1.6 million tonnes of rare earth reserves, or around 2% of the global total.
What is the Phalaborwa rare earths project?
Phalaborwa is a brownfield rare earth project in Limpopo Province, South Africa, being developed by Rainbow Rare Earths (LSE: RBW). The deposit consists of two phosphogypsum waste stacks totalling 35 Mt at 0.44% TREO. It has received a $50 million equity investment from the US International Development Finance Corporation (DFC) via TechMet. A definitive feasibility study is expected before end-2026, with first production targeted for 2028. The project targets the US defence and EV magnet supply chain.
What is Steenkampskraal Monazite Mine?
Steenkampskraal is an underground rare earth mine in the Western Cape, South Africa, holding the world’s highest-grade rare earth deposit at 14.5% run-of-mine TREO. It is being developed by Steenkampskraal Holdings in partnership with Bora Mining Investments, with IDC funding secured in September 2025. The Phase 1 monazite concentrate plant is under construction following a soil-turning in April 2026. Phase 2 cracking plant commissioning is targeted by end-2026, with the project aiming to be revenue-generating before the close of the year.
Why is South Africa important for Western rare earth supply chains?
South Africa’s two primary rare earth projects — Phalaborwa and Steenkampskraal — are both explicitly oriented toward non-Chinese offtake. Phalaborwa has received US government backing via the DFC, maintained despite broader US-South Africa diplomatic tensions in early 2026. South Africa’s established mining infrastructure, grid connectivity, and functioning regulatory frameworks reduce execution risk compared to earlier-stage African jurisdictions. Both projects are developing integrated processing capabilities in line with the South African government’s Minerals Beneficiation Strategy.
When will South Africa start producing rare earths commercially?
No commercial-scale rare earth mine is operating in South Africa as of April 2026. Steenkampskraal is targeting Phase 1 concentrate production and Phase 2 cracking plant commissioning before end-2026, with CEO Graham Soden stating a goal of becoming revenue-generating within the year. Rainbow Rare Earths is targeting first Phalaborwa production for 2028, subject to DFS completion before end-2026 and subsequent financing. Both timelines are targets and subject to revision.
