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The mineral bastnäsite is one of a family of three carbonate-fluoride minerals. There is bastnäsite-(Ce) with a formula of (Ce, La)CO3F. There is bastnäsite-(La) with a formula of (La, Ce)CO3F. There is also bastnäsite-(Y) with a formula of (Y, Ce)CO3F. Most bastnäsite is bastnäsite-(Ce), and cerium is by far the most common of the rare earths in this class of minerals. Bastnäsite and the phosphate mineral monazite are the two largest sources of cerium and other rare earth elements.
Additional recommended knowledge
Bastnäsite was first described in 1841 from and named for the Bastnas Mine in the Riddarhyttan district, Vastermanland, Sweden.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bastnäsite". A list of authors is available in Wikipedia.|