Emerald is a green colour mysterious gemstone pronounced to be one of the most dominant stone in the history of the Mankind. Emeralds have long been cherished for their brilliant green beauty. Emerald is the gemstone pertaining to Mercury planet. This gemstone is exceedingly uncommon, because it is very difficult to find an unflawed emerald.
Emerald is the birthstone of Taurus, Cancer and sometimes Gemini. Emerald is the anniversary gemstone for the 20th, 35th and 55th year of marriage.
Origin of Emerald
Emeralds are ancient gemstones. Emerald is found predominately in India and has long been associated with royalty and status. The name of this stone has came from the Greek `smaragdos` via the Old French `esmeralde`, and means "green gemstone". 
Appearance of Emerald
Emerald is a very delicate gemstone. It is a mineral - a compound of silicate of aluminium, beryllium and oxygen. Its colour is light to dark green. Black spots and fibrils are often seen in it, because of high presence of carbon in it. It is indeed distinguished by its black spots. In authentic emeralds, cracks are often found, but it does not hinder its utility.
Colour of Emerald
Emeralds occur in a variety of green colours. The magnificent green colour that gives extraordinary value to this gem is due to small amounts of chromium and vanadium. Some emeralds have yellowish to bluish overtones. The stone loses colour when strongly heated.
Varieties of Emerald
As because of emeralds are highly priced, different attempts were made from past to manufacture it synthetically. Emeralds have been synthetically produced since 1848.The synthetic emeralds currently produced are so similar to true, natural emeralds that they are virtually indistinguishable by normal means. Some of the names of synthetic emeralds are Biron Emerald, Chatham Emerald, Zerfass Emerald, Lennix Emerald, Gilson Emerald, Regency Emerald, Kimberly Emerald, and Linde Emerald.
Benefits of Emerald
Emerald is extensively used for physical and emotional healing. Emerald has refreshing soft green colour, which has amazing healing powers for eyes, and it is a good talisman for any eye trouble. According to legends, emeralds strengthen the owner`s memory, quicken the intelligence and assist in predicting the future. This is the symbol of faith, kindness and purity. Emerald brings good fortune along with health, happiness and success.
