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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.


Click to view AGTA code.

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)

Ultrasonic: Risky.
Steamer: Never.
Heat: Very poor; should never be heated.
Chemicals that harm: Hydrofluoric acid can damage.


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

Columbia, Zambia, Brazil, Pakistan, Zimbabwe
 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.

Marquise cut emerald image.
Marquise Cut Emerald.
Emerald cut emerald image.
Octagon Cut Emerald.
Oval shape emerald image.
Oval Shape Emerald.
Pear shape emerald image.
Pear Shape Emerald.

Round cut emerald image.
Round Brilliant cut Emerald.

Princess Cut Emerald.

Straight baguette emerald image.
Straight Baguette Emerald.

Trillion cut emerald image.
Trillion Cut Emerald.

Round cabochon emerald
Round Cabochon Emerald.

Oval cabochon emerald
Oval Cabochon Emerald.


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