Amethyst, the February Birthstone

Purple in color, the name derives from the Greek word "amethystos" that means "not drunk." Historically amethyst was considered a rare gem until large deposits of the gem were discovered in Brazil. St Valentine is said to have worn a amethyst ring carved with an image of cupid.

Birthstones and Anniversaries

Amethyst is the birthstone for February and is also the gem for 6th and 17th wedding anniversaries.

Physical qualities

  • Chemical Composition: SiO2
  • Refractive Index: 1.544 to 1.553
  • Birefringence: 0.009
  • Specific Gravity: 2.66
  • Mohs Hardness: 7

Buying Tips

Color: The finest color is a strong reddish purple with no color zoning.
Clarity: Most amethyst doesn't have inclusions that can be seen to the unaided eye.
Cut: The gem is readily available in all shapes.
Carat Weight: The gem is available in all size ranges.

Image sources:

By Gemstones (Own work) [CC BY-SA 3.0 or GFDL]

 


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