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

plural of pyrite

of, relating to, or consisting of pyrite or pyrites

(transitive) To convert something into pyrites.

(dated) pyritic

(geology) The hydrothermal process whereby a rock is transformed into a pyrite.

plural of pyritization

(mineralogy) Relating to, resembling, or consisting of pyrites.

present participle of pyritize

simple past tense and past participle of pyritize