Our Gems
Emerald
History and Folklore
The name was derived from the Greek word smaragdos meaning "green stone." Rulers and royalty have been utilizing emeralds alluring green hues for over 4,000 years. At the time Alexander the Great, Greek miners were working the mines. Later, the emeralds from these mines were given to Cleopatra who collected them. These mines were given the name "Cleopatra's Mines" and were actually found on the Red Sea coast in the early 1800s. In the 16th century, Spanish explorers found the South American emeralds in the possession of the Inca and Aztec Indians. The soft green color was thought to have healing powers to eyes by talisman. They were also thought to bring wisdom, promote healing and to bring good fortune.
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Facts and Information
Emerald is the birthstone for May. The Muzo and Chivor mines of Colombia produce some of the world's finest emeralds, although very fine emeralds come from other areas around the world. Most emerald are treated with oils or epoxy resins to improve their transparency and appearance. Even though this is a common and accepted treatment, it should always be disclosed. Emerald is classified as a Type 3 clarity stone which means eye-visible inclusions are considered common and expected.
Gemstone Identification and Characteristics
- R.I.: 1.577 - 1.583 (+.017, -.017)
- Hardness: 7.5 - 8
- S.G.: 2.72 (+.18, -.05)
- Species: Beryl
Cleaning Methods
- Warm, soapy water usually safe, but avoid strong detergents or scrubbing on oiled stones
- Never use in steamer
- Never use in ultrasonic
Major Sources
- Brazil
- Zambia
- Pakistan
- Colombia
