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limz Published On Mon Jan 13 2020   Modified On Mon Jan 13 2020

Emeralds are the official birthstone of May and the zodiac stone of Cancer. Traditionally, these stones are given as a gift for a 55th wedding anniversary. It is one of the most famous green gemstones.

Emeralds are the favorite gemstone of Pharaoh Cleopatra, a ruler of ancient Egypt. Because of its indescribable beauty, it is also famous among royals.

Let us have a glance at Emerald gemstones.


Emerald is a variety of mineral beryl and a bright green color gemstone. These stones are known to be very powerful and was worshiped as a sacred stone by the Incas, the largest empire in pre-Columbian America. It is a stone that helps the wearer to change their life for the better. 

Why is Emerald on the Birthstone of May?

May is the fifth month of the year and a month of spring. After the cold of winter, the warm and cozy spring sunshine helps the soul to be happy. As people born in May are full of love, hope, and strength, Emerald makes perfect gemstone to represent this month.

Origin and History

Green Zambian Emeralds.
Green Zambian Emeralds.
Image Source: Gem Rock Auctions

The word Emerald is known to be originated from the ancient Greek word "smaragdos", which means "green gem". It was known to be first discovered and mined around 1500 BC in Egypt. Throughout Egyptian history, Emeralds were very popular among the people. 

The Cleopatra mines, one of the oldest Emerald mines was lost for thousand years and was rediscovered in 1817 by French adventurer F. Cailliaud. The ancient Egyptians used these stones as jewelry, amulets, and talismans. They use to bury the dead with these stones to symbolize eternal youth.

Formation Process

If the necessary conditions or elements like beryllium is present, natural Emeralds can form in hydrothermal veins. It can also form in pegmatite deposits. When the hydrothermal fluids escape from the magma deep in the Earth's crust, hydrothermal veins occurs and the Emerald starts to form. 


The chemical formula of Emerald is Be₃Al₂SiO₆ and on the Mohs scale, it has a hardness of 7.5-8. These stones have a specific gravity of 2.7-2.8 and has a vitreous luster. 


Emerald, a royal gemstone has been admired by great figures like Cleopatra of Egypt. These stones have five types and they are listed below:

  • Columbian Emeralds
  • Zambian Emeralds
  • Brazilian Emeralds
  • Cat's Eye Emeralds
  • Trapiche Emeralds

Colors Available

The available color of Emerald is green but it can range from yellow-green to blue-green.

Mines Available

Emeralds are mined throughout the world. Some of the most famous mines are listed below:

  • Kagem Mining Limited, Zambia
  • Coscuez Mine, Colombia
  • Emerald Hollow Mine, North Carolina, US

Cost Per Carat

The Bahmia Emerald.
The Bahia Emerald.
Image Source: Wikipedia

The cost of Emerald depends upon the origin, clarity, color, and size. The price of these stones have different value in the market per carat. The cost per carat may differ from $30 to $525 and $300 to $7500.

The world's largest Emerald is the Bahia Emerald which weighs approximately 341 kg or 1.7 million carats. The estimated price of this Emerald was $250-$925 million. It was found in the state of Bahia, Brazil. 


Emeralds are mostly used as gems in jewelry like bracelets, necklaces, rings, and earrings.

Spiritual Properties

Emeralds are beautiful stones that are highly regarded for their spiritual and healing properties. Some of the spiritual properties of these stones are listed below:

  • As Emeralds are associated with the heart chakra, it helps the wearer to promote love, compassion, and charity to self and others.
  • It helps to treat illness and disorders, improve eyesight, detoxify the blood, and strengthens the backbone.


Largest Uncut Emerald, the Duke of Devonshire.
Largest Uncut Emerald, the Duke of Devonshire.
Image Source: Wikipedia

Here are some of the interesting and fun facts of Emeralds.

  • The oldest Emerald is known to be about 2.97 billion years old.
  • It is the most-beloved stone of Cleopatra.
  • Carroll Chatham, an American chemist produced the first successful synthetic Emerald.
  • The largest uncut Emerald is the Duke of Devonshire that weighs 1383.93-carats.

Jewelry Stores Near You

Here is the list of some of the famous Emerald jewelry stores near you.

  • Hillberg & Berg, Regina, Canada
  • Hannoush Jewelers, New York, United States
  • London DE, London, United Kingdom

Online Stores

Some of the renowned online jewelry stores are:

Visit Stoneharu for more information about stones and gems.