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Pyrite
Chip Clark
Specimen | Catalog Number | Locality | Weight |
---|---|---|---|
Pyrite | NMNH R18657 | Spain, La Rioja |
Pyrite is an iron sulfide with a metallic luster and a brassy yellow color that can be mistaken for gold. Typically called “fool’s gold,” it is a very common mineral associated with other ore minerals. It is, however, easily distinguishable from gold as it is harder and resists scratching, and it is lighter in heft. Pyrite can form as cubes (as seen here) and octahedron or pyritohedron. Pyrite’s interesting crystal habits make it a popular collector’s mineral.