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September Birthstone - Sapphire


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August Virgo(Aug 23 - Sep 22) Libra(Sep 23 - Oct 23) October
Sapphire fact file
Crystal Structure: hexagonal
Chemical Composition: Corundum ( Aluminum oxide- Al203 )
Hardness: 9 MOHS
Refractive Index: 1.762 to 1.77
Colors: yellow, green, pink, clear, and blue

Sapphire, the symbol of truth, is the September birthstone. This blue, celestial gemstone is the chemical cousin of ruby, having the same chemical composition - corundum.
Star sapphires and rubies display a six-ray star that moves across the face of the gems when light hits the stones. The star is created by intersecting lines of the mineral rutile that form symmetrically in the gem.
Name
The name sapphire derives from the Latin form of the Greek word for blue, sapphirus.


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