bastnaesite

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bastnaesite

[′bast·nə‚sīt]
(mineralogy)
(Ce,La)CO3(F,OH) A greasy yellow to reddish-brown fluorocarbonate rare-earth metal mineral; source of rare earths, for example, cerium and lanthanum.
References in periodicals archive ?
According to the Company, it has been known for decades that Rare Earth mineralization occurs on other areas of its property in the form of various Rare Earth bearing carbonate and phosphate minerals, including both Bastnasite and Monazite.
Results from an initial five RC samples studied identify bastnasite as the main rare earth mineral present.
TABLE 44 BAYAN OBO, INNER MONGOLIA, CHINA--TYPICAL BASTNASITE ORE COMPOSITION (PERCENT OF TOTAL REO) 69