Peridot: Meaning, Properties, and How It Can Benefit You Peridot physical properties that makes it a unique and valuable gemstone.It is a beautiful green crystal that belongs to the olivine mineral group, and it has a unique chemical composition consisting mainly of iron, magnesium and silicon, which gives it its characteristic green color. The intensity of the green color can vary depending on the amount of iron present in the peridot. VISIT US:-https://www.sagaciajewelry.com/blogs/news/peridot-meaning-properties-benefits