May 7, 2015

As the birthstone for May, the emerald, a symbol of rebirth, is believed to grant the owner foresight, good fortune, and youth. Emerald, derived from the word smaragdus, meaning green in Greek, was mined in Egypt as early as 330 B.C. Today, most of the world’s emeralds are mined in Colombia, Brazil, Afghanistan, and Zambia. The availability of high-quality emerald is limited; consequently, treatments to improve clarity are performed regularly.




Hardness (Scratch Resistance)

7.5 - 8.0 on the Moh's Scale


Toughness (Chip & Crack Resistance)

Poor due to inclusions


Stability (To Heat, Light or Chemicals)

Heat can damage emeralds, especially by extending existing fractures.  Light and chemicals can cause the oils, resins and ploymers used to fill surface-reaching fractures to alter in appearance or deteriorate.  These enhancements are accepted by the industry.



Avoid direct heat from a jeweler's torch, particulary if gem has internal inclusions.






NEVER Ultrasonic/steam cleaning; use soapy water



- May birthstone

- 2oth & 35th Wedding Anniversaries

- Mercury





Source -- American Gem Society, GIA

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