Peridot is one of the most sought-after minerals in the world. This unique and beautiful mineral is formed by a process of oxidation occurring deep within the Earth’s crust. It consists of magnesium-iron silicate and often appears as an olive green hue. It has been used for centuries for its ornamental and healing properties. Peridot has been prized for centuries for its aesthetic beauty but it also possesses many interesting properties that make it highly sought after by collectors and investors alike.