(mineral) The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.
(mineral) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula CuFeS2.
(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.
Copper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.
(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.’;
a yellow copper ore (CuFeS2) made up of copper-iron sulfide
A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
‘Hence sable coal his massy couch extends,And stars of gold the sparkling pyrite blends.’;
Chalcopyrite ( KAL-kə-PY-ryte, -koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS2 and crystallizes in the tetragonal system.
a common mineral (iron disulfide) that has a pale yellow color
The mineral pyrite (), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral.