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Dictionary

py•rite

Pronunciation: (pī'rīt), [key]
—n.
a very common brass-yellow mineral, iron disulfide, FeS₂, with a metallic luster, burned to sulfur dioxide in the manufacture of sulfuric acid: chemically similar to marcasite, but crystallizing in the isometric system. Also,pyrites.Also called iron pyrites.

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

Pyriphlegethon

pyrites

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