Fools Gold -

Pyrite is an iron disulfide distinguished by its pale, brassy-yellow color and metallic luster. Despite its appearance, it is easily distinguished from real gold through several physical tests:

Pyrite forms in a wide variety of environments, including igneous, metamorphic, and sedimentary rocks. The Many Faces of Fool's Gold | American Scientist Fools Gold

: Pyrite is much harder than gold, rating 6 to 6.5 on the Mohs scale . It is brittle and will shatter if struck, whereas gold is soft and will indent. Pyrite is an iron disulfide distinguished by its