Peridot Jewelry

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Physical Properties
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Peridot
Peridot also known as “Peridona” the beautiful gemstone blended with greenery of valley and rays of sun. Cleopatra the most beautiful woman could not stop herself from falling in love with this magnificent gemstone. Peridot is the only gemstone which appears in one color and is also known as the “Evening Emerald.


PROPERTIES OF PERIDOT

   
Color : Yellow-green, apple-green, olive-green to brownish.
Moh’s hardness : 6.5-7
Refractive index : 1.654-1.69
Critical angle : 37°
Specific gravity : 3.27-3.37
Cleavage : Imperfect
Fracture : Brittle, small conchoidal.
Dispersion : Moderately high (.02)
Heat sensitivity : Low to medium
Pleochroism: Dichroic : very weak (colorless or light green to deeper yellow-green or olive-green).
Birefringence (double refraction) : Medium (.036)
Crystal structure : Orthorhombic
Optical Character : Bixial +
Family : Magnessium and Iron Silicate
Accompanied by : Feldspar and mica
Peridot Chemical composition : (MgFe)2SiO4
Transparency : transparent to translucent
Streak : colorless
Class : nesosilicate
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