09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain)
09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain) 09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain)

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09114 - Top Beautiful 1.89 Inch Pyrite Crystals from famous Navajun Mines (Spain)

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Species
Pyrite
Age
-
Location
La Rioja, Spain
Formation
Navajun suldide mines
Size
47.9 mm   •    in
Weight
140 g   •    oz
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Description

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide). Pyrite is considered the most common of the sulfide minerals.


Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal.


Pyrite is usually found associated with other sulfides or oxides in quartz veins, sedimentary rock, and metamorphic rock, as well as in coal beds and as a replacement mineral in fossils, but has also been identified in the sclerites of scaly-foot gastropods. Despite being nicknamed fool's gold, pyrite is sometimes found in association with small quantities of gold. Gold and arsenic occur as a coupled substitution in the pyrite structure.

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