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            Peridot - Square EmeraldPeridot is a volcanic gem that originates deep in the earth. 
Peridot is a form of the mineral olivine with a mesmerizing deep olive-green color.  
History:   
To the Egyptians this ancient stone symbolized the sun.  
Peridot was believed to protect from nightmares and ward off the evil eye. Peridot is the birthstone associated with August. 
 Enhancement code: N 
Properties: 
RI = 1.654-1.690 
Hardness = 6.5-7 
Specific gravity = 3.34 
Species – Peridot 
Optic character – DR 
Phenomena – none 
Care:  
Clean with warm soapy water and a soft brush. Do not use an ultrasonic cleaner or steamer. Avoid chemicals, sudden temperature changes, and impacts. 
Major sources: 
Australia, Brazil, China, Kenya, Mexico, Myanmar, Sri Lanka, US 
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