gemstone
Peridot
Olivine ((Mg,Fe)2SiO4)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, olive-green color, vitreous luster, orthorhombic crystal system, conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, olive-green color, vitreous luster, orthorhombic crystal system, conchoidal fracture.
Formation & geological history
Forms in the Earth's upper mantle under high temperatures and pressures, brought to the surface via basaltic magmas and tectonic activity.
Uses & applications
Used primarily in fine jewelry, gemstone collecting, and occasionally in industrial refractory applications.
Geological facts
Peridot is one of the few gemstones that occurs in only one color, and some specimens are extraterrestrial, originating from pallasite meteorites.
Field identification & locations
Identified by its distinct olive-green color and conchoidal fracture; commonly found in Arizona, China, Pakistan, and Myanmar.
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