pyrite

About 0.77 uses per million words.

Meaning

1. noun The 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.

Similar words

iron pyrite cupriferous nickeliferous syngenetic sulfur pyrites iron pyrites ferrous sulfide arsenopyrite sphalerite pyrrhotite

Often followed by

and is in or oxidation are crystals from was

Word family

pyrites