bastnasite

(redirected from Bastnäsite)
Also found in: Thesaurus, Encyclopedia, Wikipedia.

bast·naes·ite

or bast·näs·ite also bast·nas·ite  (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.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bastnasite - a yellow-to-brown mineral that is a source of rare earth elements
atomic number 58, Ce, cerium - a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
atomic 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 praseodymium
atomic 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 process
atomic number 62, samarium, Sm - a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition