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Dictionary


py•ro•chlore



Pronunciation: (pī'ru-klôr", -klōr"), [key]
—n.
a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

pyrochemicalpyroclastic

 

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