iron pyrites

American  

noun

1. pyrite; fool's gold.

2. marcasite.

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iron pyrites British  

/ ˈpaɪraɪts /

noun

1. another name for pyrite

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Etymology

Origin of iron pyrites

First recorded in 1795–1805

Example Sentences

It probably is not rich enough for amalgamation, as it contains a superior bulk of iron pyrites, blende, lead and earthy matter.

From The South-West By a Yankee. In Two Volumes. Volume 2 by Ingraham, Jonathon Holt

Should there be much iron pyrites in the Lignite, it is sure, sooner or later, to decompose, when all that can be done is to throw it away.

From Sea-Weeds, Shells and Fossils by Gray, Peter

These balls are made of small bags or purses of hide, moistened, filled with iron pyrites, or some other heavy substance, and then dried.

From Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 by Fitzroy, Robert

The cock, also regulated by a spring, was fitted with a piece of iron pyrites.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various

Their produce has gradually decreased since the 17th century, and is now unimportant, but sulphate of copper, iron pyrites, and some gold, silver, sulphur and sulphuric acid, and red ochre are also produced.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" by Various