Emerald by Chatham

Chatham® Emerald Gemstone Information.
Information * Loose gemstones * Jewelry links

Emerald is the birthstone for the month of May and the gemstone representing the 20th, 35th, and the 55th wedding anniversary. Emeralds were once prescribed for eye diseases because the green color was believed to be soothing to the eyes. It was also once recommended as amulets to ward off epilepsy in children. Emeralds were known to strengthen the owner's memory, quicken intelligence, and assist in predicting the future. It is known to be a symbol of rebirth and romance.

ENHANCEMENT CODE SYN
Click to view AGTA code.

PROPERTIES
Refractive Index 1.577-1.583
Hardness = 7.5-8 (Moh's Scale)
Specific Gravity =2.72
Species - Beryl
Optic Character - Double Refraction.
Phenomena - Chatoyancy, Asterism (Rare)


WARNINGS FOR CARE
Ultrasonic: Risky
Steamer: Never
Heat: Very poor; should never be heated
Chemicals that harm: Hydrofluoric acid

 
Chatham emerald crystal growth.

Emerald crystal growth.
Image Courtesy Chatham®.

Crystal Structure
Crystal system: Hexagonal (trigonal), hexagonal prisms, columnar.

Birthstones
 January  Garnet
February Amethyst
March Aquamarine
April Diamond
May Emerald
June Pearl/Alexandrite
July Ruby
August Peridot
September Sapphire
October Opal/Tourmaline
November Topaz or Citrine
December Blue Topaz or Zircon
Common Cut Examples.
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