Bastnäsite is a critical and the world's primary source of light rare-earth elements (REEs) , particularly cerium, lanthanum, and neodymium. It is prized industrially for high-tech manufacturing and by collectors for its rare, brilliant gemstone varieties. Key Characteristics & Origins Composition: Primarily a cerium fluoride carbonate (
The world's largest deposit, containing roughly 80% of global reserves. bastnasite
The dominant deposit in the United States. Bastnäsite is a critical and the world's primary
Known for producing some of the highest-quality crystal specimens. Industrial Significance The dominant deposit in the United States
), often containing other light rare earths like lanthanum, yttrium, and thorium.
Typically found in colors ranging from honey-yellow to reddish-brown . While the mineral itself is common, transparent, gem-quality crystals are extremely rare and valued for their high refractive index, which gives them exceptional brilliance and "fire". Major Deposits: