When it comes to rare earths, it is important to find the most valuable. In 2019, the output of rare earth permanent magnets accounted for 91% of the total monetary value of rare earth consumption. Neodymium and praseodymium (N d P r) are two key rare earth elements used in permanent magnets, especially neodymium. This explains why most rare earth miners are targeting NdPr. They are the most needed and very valuable.
Rainbow Rare Earths Limited (London Stock Exchange: RBW) ("Rainbow") is a rare earth miner whose goal is to produce NdPr in its two African rare earth projects. Rainbow's strategy is to become an important global producer of rare earth magnets. Rainbow has two projects in Africa, each with a special attribute that can reduce mining costs. Rainbow also owns the exclusive rights of the privately-owned U.S. Specialty Chemical Engineering Company (K-Tech) rare earth continuous ion chromatography separation technology in the entire SADC region of Africa. The goal of the K-Tech process is to separate rare earths from natural mixtures in fewer stages, which has greater flexibility than traditional solvent extraction, thereby saving upfront capital expenditures and continuous operating expenditures, and may generate higher The final value is the separation of oxides instead of carbonates. The test is in progress.
Rainbow's two rare earth projects are:
Phalaborwa project (70% revenue agreement)
The Phalaborwa project includes inferred mineral resources estimated at 38.3 tons, with a total rare earth oxide (TREO) content of 0.43%, contained in gypsum "tailings", which are piled up in loose waste derived from historical phosphate fertilizer hard rock mining field. As a tailings resource, hard rock mining is not required, which is expected to reduce operating costs. This resource has a high-value NdPr content, accounting for 29.1% of the total rare earths contained. Measured by oxides, economic dysprosium and terbium, the key rare earths used in the high-temperature operation of permanent magnets, are credited as valuable by-products. The NdPr grade of this project is 5-10 times higher than that of a typical ion clay type rare earth deposit (see the table below). It also has low levels of radioactive elements, which means easier handling and lower costs.
The Phalaborwa project is located at a former mining operation site, with excellent infrastructure and transportation logistics. The project is largely licensed and located in an established mining area.
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Two projects of Rainbow Rare Earths have good NdPr grades, especially Gakara
Source: Rainbow Rare Earths Company Introduction
Rainbow stated that “the Gakara rare earth project is one of the richest rare earth deposits in the world.” Rainbow owns 90% of the Gakara project and the Burundian government has a 10% non-dilutable interest. The mining license covers an area of more than 39 square kilometers and has a 25-year mining license starting in March 2015.
At the request of the Burundian government, Gakara will begin to receive maintenance and maintenance in June 2021. It is understood that the main concern of the Burundian government is related to the pricing of concentrates currently sold under the long-term closure-an agreement with the trading department of a German company (ThyssenKrupp). Rainbow said: "Rainbow will continue to engage with stakeholders constructively to resolve the issue and allow trial acquisition to resume as soon as possible."
Highlights of Gakara Rare Earth Project
Source: Rainbow Rare Earth website
Rainbow has two exciting rare earth projects in Africa.
The Phalaborwa project has several advantages, including:
The Gakara project has excellent NdPr grades in the visible "vein" and can simply physically separate minerals from waste rock to produce high-value rare earth concentrates. This helps reduce OpEx projects. The project is currently being maintained and maintained, awaiting the expected resolution of certain legal issues with the Burundian government.
Risk is a typical risk for junior rare earth miners, including capital risk. In this case, it is African sovereign risk.
Rainbow Rare Earths Limited has a market value of 78 million pounds (about 105 million US dollars). One followed with great interest.
Matthew Bohlsen is a senior editor at InvestorIntel.com. Holds a graduate diploma in applied finance and investment, and a graduate diploma in financial planning. He... <Read more about Matthew Bolson>
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