Pyrites

noun

Word Frequency: 0.2

Definitions

1.nounThe common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.

2.noun(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.

3.noun(usually as a plural: pyrites) Any metal dichalcogenide that is isostructural to the common mineral.

"Copper diselenide can occur both as a marcasite and a pyrite."

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