The chemical formula of Peridot is (Mg,Fe)2SiO4. In essence it is a silicate of iron and magnesium. Peridot is also referred to as Olivine - name obviously derived from the characteristic and unique olive colour of this crystal. It is also known as Chrysolite.
Peridot has a very long written history. Ancient papyrus record the mining of these stones as early as 1500 BC. Originates in the USA, Australia, Pakistan, Myanmar, China, Afghanistan, the Canary Islands and the Red Sea region. Some of the most beautiful specimens of Peridot originate from Pakistan. In Europe, Peridot was first introduced by the Crusaders who brought it back from their crusades. The brought it from certain Red Sea islands where it had been mined more than 3000 years ago.
Peridot fosters emotional balance, security, and inner peace. It soothes nervousness, heals emotional and physical pain, and lightens suffering.