Peridot

Peridot is a green gemstone from the olivine mineral group, often found in volcanic rocks.

Peridot
Category: Olivine
Hardness: 6.5
Specific Gravity: 3.3
Luster: vitreous
Transparency: transparent
Crystal System: orthorhombic
Cleavage: poor
Fracture: conchoidal
Composition: (Mg,Fe)₂SiO₄
Typical Size: small to medium
Found In:
US United States
Uses:
  • jewelry
Thought to ward off evil spirits and bring good luck.