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copper pyrites

noun

, Mineralogy.


copper pyrites

/ ˈpaɪraɪts /

noun

  1. functioning as singular another name for chalcopyrite


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Word History and Origins

Origin of copper pyrites1

First recorded in 1770–80

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Example Sentences

Quartz, containing disseminated hematitic iron-ore and copper pyrites.

Beat with a stone on copper pyrites, and it immediately begins to crumble.

Copper pyrites (or yellow ore), erubescite (or purple ore), and chalcocite (or grey ore) are the most important.

Thallium is a rare metal, found in small quantities in some varieties of iron and copper pyrites, and in some lithia micas.

It yields in four months about one ton and a half of sulphur from copper pyrites.

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copperplateCopper River