pyrochlore
'paiәrәuklɔ:
基本解释
(=pyrochlorite)烧绿石
英文释义
n. A niobate of calcium, cerium, and other bases,
occurring usually in octahedrons of a yellowish or brownish color and
resinous luster; -- so called from its becoming grass-green on being
subjected to heat under the blowpipe.
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