Birthstone Gems

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May Birthstone - Emerald

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Emerald fact file

Crystal Structure: hexagonal
Chemical Composition: Beryl - silicate of Beryllium and Aluminum Al2Be3(Si6O18)
Hardness: 7.5 to 8 MOHS

Refractive Index: 1.57 to 1.60
Colors: light to dark green

Emerald, the green beauty of the gem world, is the May birthstone.

This beryl with traces of chromium, is said to increase both intelligence and strength of heart. Cleopatra was a great fan of emerald and so were the moghuls of India.Fine emeralds are probably among the rarest of gems. They are probably rarer than fine diamonds

Related Pages:

Emerald Properties
Know more about the physical and chemical properties of Emerald such as composition, color etc.
Emerald History and Geography
Some interesting facts about Emerald such as where it is found, stories from history and mythology, and its healing properties.
Buying and Caring for Emerald Jewelry
Tips for Buying Emerald Jewelry and taking care of Emerald Jewelry