Longonjo Neodymium-Praseodymium Project, Angola
Start of Operations : 2021. Longonjo neodymium-praseodymium project is an open-pit mine producing neodymium and praseodymium located in the African nation of Angola. Pensana Metals fully owns the project and is developing it at a capital cost of £168.4m ($131m). Pre-feasibility study (PFS) of the Longonjo project was completed in November 2019.