Iron pyrites. Also known as fool's gold, this mineral is a crystalline form of iron sulphide. It is the most abundant sulphide, and is used in the man

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Iron pyrites. Also known as fool's gold, this mineral is a crystalline form of iron sulphide. It is the most abundant sulphide, and is used in the manufacture of sulphuric acid.

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Keywords: crystal, crystalline, crystals, fools, geology, gold, iron, mineral, pyrites, sulphide