Pyrite Meanings, Zodiacs, Planets, Elements, Colors, Chakras, and more. Science & Origin of PyritePyrite, also known as Fool's Gold, is an iron sulfide mineral that crystallizes in the form of masses, cubic, stalactites, and botryoidal. This crystal can occur as a secondary mineral, often in association with others such as @Quartz@, @Turquoise@, and …