September Birthstone: The Sapphire | Color and Meaning | The Old Farmer's Almanac

September Birthstone: The Sapphire

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September Birthstone Meanings, Symbolism, and Folklore

by Martie Majoros
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September’s birthstone, the sapphire, was once thought to guard against evil and poisoning. Learn more about the brilliant-blue sapphire!

September Birthstone Color

Sapphires are a form of corundum, the second-hardest mineral. Commonly ranging in color from light to dark blue, they are found chiefly in placer deposits, which are formed when minerals naturally separate from other sediment due to gravity. 

A sapphire may also form in a rainbow of other colors, but red-hued corundum is known as ruby, which is July’s birthstone

Birthstone Facts & Folklore

Traditionally a favorite stone of priests and kings, the sapphire symbolizes purity and wisdom.

  • Sapphires are thought to ease pain and reduce stress.
  • In the 17th century, holding or wearing the sapphire was believed to help you to foretell the future. 
  • In the 15th century, it was thought that holding a sapphire near a spider would kill it. 
  • It was also believed that a venomous snake would die if placed in a vessel made of sapphire.
  • If you dream that you are wearing a sapphire, be warned: You should be less impulsive.


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