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单词 bastnaesite
释义

bastnaesite

/ˈbastneɪˌsʌɪt /
noun [mass noun]
A yellow to brown mineral consisting of a fluoride and carbonate of cerium and other rare earth metals.A sample from Andakatany labeled ‘bastnaesite,’ turned out to be bastnasite- (Ce)....
  • Bastnasite, which is sometimes spelled as bastnaesite, is one of a few rare earth carbonate minerals.
  • A much larger, nonradioactive deposit of bastnaesite was found on adjoining land.

Origin

Late 19th century: from Bastnäs, the name of a district in Västmanland, Sweden, + -ite1.

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更新时间:2025/1/11 3:14:33