Emerald

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.

 

Repair

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

 

 

 

 

Cleaning

NEVER Ultrasonic/steam cleaning; use soapy water

 

Occasions

- May birthstone

- 2oth & 35th Wedding Anniversaries

- Mercury

 

 

 

 

Source -- American Gem Society, GIA

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