Pyrite

Sold Individually Pictured is item's front and back What is it: The mineral pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2. Pyrite is considered the most common of the sulfide minerals. Pyrite's...

Sold Individually Pictured is item's front and back What is it: The mineral pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2. Pyrite is considered the most common of the sulfide minerals. Pyrite's...