Material · Mixed compound

Mixed Rare Earth Carbonate

Intermediate mixed rare-earth compound produced by cracking/leaching of concentrate; the typical feed for solvent-extraction separation.

Facts on this page last re-verified Aug 11, 2026 — the oldest verification date among its current claims. How we verify.

Elements

Kingston commercial Hub (REEPure hydrometallurgical recycling): output

Hydrometallurgical plant (Onslow, Stage 2): output

Apatite-to-critical-minerals processing (Luleå demonstration plant): output

Cracking and leaching (mixed rare earth carbonate): output

Light rare earth separation (planned): input

Heavy rare earth separation (planned): input

Light rare earth separation: input

Heavy rare earth separation (small-scale line): input

Rare earth separation (planned): input

Rare earth separation hub (project shelved October 2025): input

Rare earth elements primary-feedstocks separation line: input

RE1 rare earth separation: input

Rare earth refining (new build, JOGMEC-funded): input

Rare earth refining (new build): input

Rare earths for permanent magnets production line (inaugurated April 2025): input

Strange Lake open-pit mine and concentration plant (planned): output

Sept-Iles rare earth separation plant (planned): input

RapidSX demonstration separation line: input

Mining and processing (planned): output

RapidSX rare earth separation (Production Line 1): input

U.S. Geological Survey · published Jan 1, 2025 · retrieved Aug 11, 2026 · archive