Sample of the mineral pyrite. Pyrite is iron sulphide, the most widespread sulphide mineral, and is common in many types of rock. It is usually found

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Sample of the mineral pyrite. Pyrite is iron sulphide, the most widespread sulphide mineral, and is common in many types of rock. It is usually found in the cubic crystal form (as here), although octahedral and pyritohedral (pentagonal face) forms are known.

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Photo credit: © ARNOLD FISHER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: crystal, earth, geology, iron, mineral, pyrite, science, sulphide, type