Definitions
from The Century Dictionary.
- noun A fluocarbonate of cerium, lanthanum, and didymium from the Bastnäs mine, Sweden. It also occurs as an alteration product of tysonite near Pike's Peak, Colorado.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A light brown
mineral that is a source of manyrare earth elements
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a yellow-to-brown mineral that is a source of rare earth elements
Etymologies
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Examples
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This underlines the need for new producers with mineral resources having an REE distribution that is more reflective of current market demand, such as that indicated for the bastnasite-group minerals at Bear Lodge.
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