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[pahy-ruh-klawr, -klohr] /ˈpaɪ rəˌklɔr, -ˌkloʊr/
a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals.
Origin of pyrochlore
1820-30; < German Pyrochlor. See pyro-, chlor-1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for pyrochlore
  • pyrochlore is mined mainly by mechanized open pit or underground methods.
  • pyrochlore phases are attractive for this application for several reasons.
  • pyrochlore was the principal columbium mineral mined worldwide.
  • There were no published price quotes for columbium-bearing columbite and pyrochlore concentrates.
  • Thin-films of pyrochlore oxide will be synthesized to quantify the surface dissolution in acidic medium.
  • Niobium-bearing minerals, especially pyrochlore and niobium-bearing rutile, may be abundant.

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