noun🔗ShareThe common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system."The mineralogy student carefully examined the pyrites specimen, noting its brassy yellow color and shiny surface. "mineralgeologychemistrymaterialsubstanceChat with AIVocabulary GamePractice Reading
noun🔗Share(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common."The beginner gold panner was excited when he found shiny, yellow pyrites in his pan, but the experienced panner knew it was just "fool's gold." "mineralgeologychemistrysubstancematerialChat with AIVocabulary GamePractice Reading
noun🔗Share(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."mineralmaterialgeologychemistrysubstanceChat with AIVocabulary GamePractice Reading
