n a yellow mineral, found in igneous and metamorphic rocks and in veins. It is a source of sulphur and is used in the manufacture of sulphuric acid. Composition: iron sulphide. Formula: FeS2. Crystal structure: cubic, (Also called)
iron pyrites, pyrites (Nontechnical name)
(C16: from Latin pyrites flint, from Greek purites (lithos) fire (stone), that is, capable of withstanding or striking fire, from pur fire)
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