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:
Bastnäsite is unique because it is one of the few minerals mined primarily for its rare-earth content, whereas others like monazite are often just by-products. Its extraction involves complex metallurgical processes: bastnasite
), often containing other light rare earths like lanthanum, yttrium, and thorium. Typically found in colors ranging from honey-yellow to
The world's largest deposit, containing roughly 80% of global reserves. and thorium. The world's largest deposit
The dominant deposit in the United States.