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copper pyrites
copper pyrites
/ ˈpaɪraɪts /
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Word History and Origins
Origin of copper pyrites1
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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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