Pyritenoun
(mineral) The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.
Pyritenoun
(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.
Pyritenoun
(usually as a plural: pyrites) Any metal dichalcogenide that is isostructural to the common mineral.
Pyritenoun
A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
Pyritenoun
a common mineral (iron disulfide) that has a pale yellow color
Pyrite
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.
Chalcopyritenoun
(mineral) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula CuFeS2.
Chalcopyritenoun
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.
Chalcopyritenoun
a yellow copper ore (CuFeS2) made up of copper-iron sulfide
Chalcopyrite
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.