: It commonly forms perfect cubic, octahedral, or pyritohedral (12-faced) crystals.

Beyond the Deceptive Luster: A Brief Study of "Fool's Gold" (Pyrite) "Fool's Gold," scientifically known as ( FeS2cap F e cap S sub 2

), is the most abundant sulfide mineral in the Earth's crust. While it earned its nickname by deceiving 19th-century gold rush prospectors, it has since been recognized as a cornerstone of human industrial and scientific progress. Chemical and Physical Properties