PERIDOT
Peridot. The name is believed to come from the Arabic 'faridat' - gem, or as the Oxford Dictionary suggests, from the Classical Latin 'pæderot' - a type of opal. Peridot is actually a material called olivine that is made up of 2 minerals: fayalite and forsterite. One of the 6 essential minerals for the appearance of life. (Russell & Ponce, 2020). Fe2SiO4 (Fayalite) - Mg2SiO4