Longonjo is an open-pit carbonatite mine and integrated concentrator, calcination and chemical-recovery development. The June 2026 update describes a US$250 million build at 22% completion, initial capacity of 20,000 tonnes per year of mixed rare-earth carbonate and expansion to 40,000 tonnes from approximately 2029.
- Country
- Angola
- Commodity
- REE
- Stage
- Construction