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 Semi - Precious Stone

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Mohs Hardness: 6.5-7
Specific Gravity: 3.22-3.45
Reflective Index: 1.635-1.690

History: Peridot, a gem variety of the mineral olivine, was
mined on St. John's Island (also called Zebirget) in the Red
Sea, as early as 1300 B.C. At that time the island was known
as topazios, and the green gems were called "Topaz." The Eg-
yptian kings favored these gems, which were often mined under
very harsh conditions. It is said that pirates discovered 
peridot on Zebirget, but the island was often hidden by heavy
fog and its location was lost for centuries. Zebirget and the
peridot mines were rediscovered in the 1900s. 

Lore: Peridot is a gem that's been connected to superstition 
throughout the ages.  Associated with the sun, peridot is bel-
ieved to have the power to break evil  spells and dispel the 
mysteries of the dark. During the middle Ages people word 
peridot to gain foresight and divine inspiration.


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