Pyrite

Pyrite

Pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS₂. It is considered the most common of the sulfide minerals.

Characteristics

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.

Formation and Location

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. Despite being nicknamed fool's gold, pyrite is sometimes found in association with small quantities of gold.

Uses

Pyrite was used in the production of sulfur dioxide for sulfuric acid during the early to mid-20th century. Today, pyrite is sometimes sold as a novelty item or used as a gemstone in jewelry.

Health Issues

Pyrite exposure can cause severe health issues due to its sulfur and iron content. It can cause sulfur dioxide poisoning if inhaled or ingested.

See Also

• Marcasite
• Chalcopyrite
• Sulfuric acid
• Sulfur dioxide

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