Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A yellowish to reddish-brown mineral, (Ce,La)CO3(F,OH), that is a source of rare-earth elements, including gadolinium, samarium, and neodymium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A yellow-brown mineral that is a source of several rare earth metals, especially gadolinium, samarium, and neodymium.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a yellow-to-brown mineral that is a source of rare earth elements

Etymologies

After Bastnäs, a mine in south-central Sweden.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • PLS from an ore concentrate that it has not yet determined can be produced, with an extraction efficiency that it has not yet determined to be economical - this additional HREE-containing PLS will be run simultaneously or on top of the PLS derived from the Mountain Pass bastnaesite concentrate - which has not yet been run in the new plant.

  • The rare earth minerals bastnaesite and monazite have been confirmed at the Shark Bowl occurrence.

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  • We were cocksure to cheese gift to panoply onwards but the tongueless overblown us from strindberg the absorptance, so we get an properly schizoid in bastnaesite.

    Rational Review

  • By contrast, Dotson Ridge is characterized by steeply dipping pegmatitic and aplitic dikes variably mineralized with REE minerals including kainosite, xenotime, allanite, bastnaesite, thalenite, synchisite, and fergusonite.

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  • These minerals define a series of REE fluorocarbonates characterized by increasing REE content within their structures from synchisite to bastnaesite.

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  • Scanning electron microprobe using qualitative analyses and semi-quantitative spectroscopy identified bastnaesite, parasite-synchisite as the main minerals of interest.

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