Emerald {Marakatam} the birthstone for May. Emerald is a gemstone from the Beryl family of stones having a stunning green color symbolizing serenity, success in love, wealth, happiness and peace of mind. It is a precious gem that promotes creativity and perception and also acts as a natural tranquilizer when you are worried or your mind is troubled. It Improves the memory, helps insomnia, strengthens the immune system, helps with eyesight, restores youth, aids neurological diseases, and heals ear problems. Emeralds are found in Colombia and are occasionally obtained from Brazil and Zambia in yellow-green, grey-green and spinach green varieties. Emerald is the birthstone for the zodiac sign of Taurus.