Cultural and historical/mythical usage
Emerald is regarded as the traditional birthstone for April and May , as well as the traditional gemstone for the astrological sign of Taurus.
According to Rebbenu Bachya, the Hebrew word "Nofech" in Exodus 28:18 means "Emerald", and was the stone on the Ephod representing the tribe of Judah. According to other commentaries, "Nofech" means "garnet", and another stone, the "Bareqet", representing the tribe of Levi, is thought to be emerald.
In some cultures, the emerald is the traditional gift for the 55th wedding anniversary. It is also used as a 20th and 35th wedding anniversary stone.
According to Rebbenu Bachya, the Hebrew word "Nofech" in Exodus 28:18 means "Emerald", and was the stone on the Ephod representing the tribe of Judah. According to other commentaries, "Nofech" means "garnet", and another stone, the "Bareqet", representing the tribe of Levi, is thought to be emerald.
In some cultures, the emerald is the traditional gift for the 55th wedding anniversary. It is also used as a 20th and 35th wedding anniversary stone.
The Gachala Emerald is one of the largest gem emeralds in the world at 858 carats. This stone was found in 1967 at La Vega de San Juan mine in Gachalá, Colombia.
Famous emeralds
Gachala Emerald (origin: Colombia)
Chalk Emerald (origin: Colombia)
Duke of Devonshire Emerald (origin: Colombia)
Mackay Emerald
Notes
^ Giuliani et al (2000): “Oxygen Isotopes and Emerald Trade Routes Since Antiquity.” Gaston Giuliani, Marc Chaudisson, Henri-Jean Schubnel, Daniel-H. Piat, Claire Rollion-Bard, Christian France-Lanord, Didier Giard, Daniel de Narvaez, Benjamin Rondeau. Science, January 28, 2000, pp. 631-633.
^ Giuliani et al (2000b): “La route des emeraudes anciennes.” Gaston Giuliani, Michèle Heuze, Marc Chaudisson. Pour la Science, Nov. 2000, pp. 58-65.
References
Cooper, J.C. (Ed.) (1992). Brewer's Myth and Legend. New York: Cassell Publishers Ltd. ISBN 0-304-34084-7.
Sinkankas, John (1994). Emerald & Other Beryls. Geoscience Press. ISBN 0-8019-7114-4
Hurlbut, Cornelius S.; Klein, Cornelis (1985). Manual of Mineralogy (20th ed.). New York: John Wiley and Sons. ISBN 0-471-80580-7
Weinstein, Michael (1958). The World of Jewel Stones. Sheriden House.
Nassau, Kurt (1980). Gems made by man. Gemological Institute of America. ISBN 0-87311-016-1
Ali, Saleem H. (2006). The Emerald City: Gemstone mining in Brazil [[3]]
World Bank: CASM Initiative [[4]]
Source from Wikipedia
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