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GeoFossils - Pyrite Sun from Sparta, Randolph Co. Illinois

GeoFossils - Pyrite Sun from Sparta, Randolph Co. Illinois

  • £25.00


An iron sulfide mineral, Pyrite is commonly found around the world in a variety of geological formations, from sedimentary deposits to hydrothermal veins, and as a constituent of metamorphic rocks. It forms in masses, stalactites, grains, globes, striated cubes or twelve-sided pentagonal dodecahedral crystals. It also forms as flat, radial disks called ocirc;sunsouml; or ocirc;dollars.ouml; It is usually pale brassy-yellow in color, opaque, with a strong gold-like metallic luster, though some forms oxidize in moist environments and may be a darker brownish-gold. The name Pyrite derives from the Greek pyr or pyros, meaning ocirc;fireouml; for its ability to emit sparks when pieces are struck together or against a hard surface.


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