gemstone
Peridot
Olivine (Mg,Fe)2SiO4
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, olive-green color, vitreous luster, orthorhombic crystal system, conchoidal fracture, and specific gravity of 3.2-4.3.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, olive-green color, vitreous luster, orthorhombic crystal system, conchoidal fracture, and specific gravity of 3.2-4.3.
Formation & geological history
Forms in the Earth's upper mantle under high-temperature conditions and is brought to the surface via volcanic activity or tectonic plate movement.
Uses & applications
Used primarily as a gemstone in fine jewelry, particularly in rings, earrings, and necklaces.
Geological facts
Peridot is one of the few gemstones that occurs in only one color (green) and is sometimes found in pallasite meteorites that originated from deep space.
Field identification & locations
Identified by its distinctive bottle-green to olive coloration and high birefringence; commonly sourced from Arizona, Myanmar, and Pakistan.
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