copper pyrites
noun Mineralogy.
Origin of copper pyrites
First recorded in 1770–80
Words nearby copper pyrites
copper belt,
copper hydroxide,
copper iris,
copper naphthenate,
copper penny,
copper pyrites,
copper river,
copper spot,
copper sulfate,
copper sulphate,
copper-bottomed
Example sentences from the Web for copper pyrites
Thallium is a widely-diffused metal, being found in many minerals, particularly in iron- and copper-pyrites and native sulphur.
Cooley's Practical Receipts, Volume II |Arnold Cooley