The Meaning and History of Peridot Healing Olive green and green with a hint of yellow are among the many colors of peridot, which has a vitreous sheen. It is also present in the darker tones of green. Peridot belongs to the orthorhombic crystal system as an olivine. The significance of this seductive gem is perseverance, determination, and purpose. "Poor man's emerald" is the term given to this shimmering green gem. Peridot's appealing green hues are a result of its composition.