American Heritage® Dictionary of the English Language, Fourth 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.
- n. mineralogy A yellow-brown mineral that is a source of several rare earth metals, especially gadolinium, samarium, and neodymium.
- n. a yellow-to-brown mineral that is a source of rare earth elements
- After Bastnäs, a mine in south-central Sweden. (American Heritage® Dictionary of the English Language, Fourth Edition)
“The rare earth minerals bastnaesite and monazite have been confirmed at the Shark Bowl occurrence.”
“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.”
“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.”
“These minerals define a series of REE fluorocarbonates characterized by increasing REE content within their structures from synchisite to bastnaesite.”
“Scanning electron microprobe using qualitative analyses and semi-quantitative spectroscopy identified bastnaesite, parasite-synchisite as the main minerals of interest.”
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