Rare Earth Suppliers in Africa: Assays, Magnet Materials and Project Checks

A rare earth supplier enquiry in Africa needs an exact product, not only a mineral photograph or a claim of a promising deposit. Ore, mixed concentrate, separated oxide, metal and magnet alloy are different commercial materials. Wigmore Trading can discuss sourcing enquiries once the required form, analysis and downstream acceptance criteria are clear.

Tell us the element or element combination, purity or composition, quantity, intended use and destination. If you are assessing a deposit or project, identify that separately from a physical purchase. A land or exploration opportunity is not the same as an available, qualified industrial product.

Define the material you want to buy

State whether the enquiry is for mineral feedstock, a mixed rare-earth product or a separated compound. For a magnet-material enquiry, identify the actual chemical or alloy specification required by the manufacturer. “Magnet metals” and “strategic minerals” are useful search terms but incomplete purchase descriptions.

Ask your technical team which analytical methods, impurity limits and physical characteristics matter. Do not assume that a high total rare-earth result means the lot contains the particular element your process needs in a commercially useful form.

Assays and representative samples

Request element-by-element results, the reporting basis, laboratory details and a sample tied to an identifiable lot. Ask whether values are expressed as elements or oxides and make the units explicit. A total figure without its composition can conceal a material mismatch with the buyer’s specification.

Sampling must represent the proposed shipment or resource under assessment. Selected specimens do not establish stockpile grade or a mineable resource. Agree the method and review any uncertainty with a competent geologist, metallurgist or analytical specialist.

Rare earth deposits are not finished supply

A mineral occurrence, exploration result, resource estimate and economically workable reserve are different concepts. Do not describe land as a producing rare-earth source simply because a survey found an anomaly. A commercial project needs appropriate geological evidence, legal title and a credible processing route.

Before an investment decision, review representative metallurgical tests, recoverability, product acceptance, infrastructure and environmental obligations. The cost and difficulty of separation can be central to the project. A high headline assay does not establish profitable production.

Processing and customer qualification

Ask the intended receiver to assess the complete material specification. Concentrate may require further processing before it can meet an oxide, metal or alloy requirement. Identify who will perform each stage and what acceptance test applies at the handover.

If you need processing equipment, obtain an engineered specification based on representative feed tests. A generic machine list cannot establish the plant’s ability to deliver the target product. Confirm input conditions, process performance, waste handling, utilities and commissioning responsibilities.

Source and transport checks

Verify the seller, authority to sell, source location and chain of custody. Confirm mineral trading and export permissions for the actual origin and product. Do not assume a broad business registration establishes a right to export any strategic mineral.

Have a qualified party characterize the material for transport, including relevant chemical and radiological properties. Carrier acceptance, packaging and handling must reflect the actual substance. A shipment should never be described inaccurately to avoid a permit or safety assessment.

Responsible sourcing and contracts

Request the due-diligence information your customer requires and review red flags concerning source, labour, payments and intermediaries. Responsible sourcing is an ongoing evidence-based process, not a guarantee created by a marketing phrase. Keep the proposed trade transparent enough to investigate discrepancies.

The contract should specify product identity, analysis, quantity, inspection, delivery term and settlement. Define rejected-material and disputed-assay procedures. Benchmark values for refined products cannot simply be multiplied by the gross weight of unprocessed material to establish its purchase price.

Send a rare-earth procurement or project brief

Provide Wigmore Trading the product form, required composition, quantity, destination and intended processing use. For a project enquiry, include title, geological and test information available. We can discuss a sourcing or commercial-support scope; no unverified deposit, reserve, processing capability, certification or investment return is promised.

Related sourcing and equipment guides

• Lithium Supplier in Nigeria: Concentrate, Assays and Processing Enquiries
• Tantalite and Coltan Suppliers in Africa: Responsible Procurement Guide
• Excavator Suppliers in Nigeria: Heavy Equipment Prices and Buying Checks

For a broader sourcing brief, see Nigerian mineral procurement and discuss the required service scope.

Reference information

• Nigeria mineral export permit application guidance
• OECD responsible mineral supply chains

Reviewed 24 October 2026. Confirm current requirements for the actual product, activity and destination with the responsible authority and professional advisers before committing to a transaction.