| 释义 |
bastnaesite
bast·naes·ite or bast·näs·ite also bast·nas·ite B0108650 (băst′nə-sīt′)n. A yellowish to reddish-brown mineral, (Ce,La, Y)CO3F, that is a source of several rare-earth elements including gadolinium, samarium, and neodymium.
[After Bastnäs, a mine in south-central Sweden.]bastnaesite (ˈbæstnəˌsaɪt) or bastnasiten (Minerals) a rare yellow to reddish-brown mineral consisting of a carbonate of fluorine and several lanthanide metals. It occurs in association with zinc and is a source of the lanthanides. Formula: LaFCO3[C19: from Swedish bastnäsit, after Bastnäs, Sweden, where it was found]Thesaurus| Noun | 1. | bastnaesite - a yellow-to-brown mineral that is a source of rare earth elementsbastnasiteatomic number 58, Ce, cerium - a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth groupatomic number 60, Nd, neodymium - a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymiumatomic number 59, Pr, praseodymium - a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange processatomic number 62, samarium, Sm - a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasitemineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
bastnaesite
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. bastnaesite
Synonyms for bastnaesitenoun a yellow-to-brown mineral that is a source of rare earth elementsSynonymsRelated Words- atomic number 58
- Ce
- cerium
- atomic number 60
- Nd
- neodymium
- atomic number 59
- Pr
- praseodymium
- atomic number 62
- samarium
- Sm
- mineral
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