Emerald is the stone for Mercury. Emerald is known as "Panna" in Hindi. It is the rashi stone of Gemini and Virgo. Emerald is a beautiful green color stone. Emerald with deep velvet green to grass green color, smooth, transparent without any dots or spots is the best and auspicious. Emerald helps in business, intelligence and good fortune. As Mercury is the planet of communication, wearing Emerald helps in improving communication skills and confidence. As per medical astrology wearing Emerald helps in controlling B.P, curing skin and nerves related problems.
Procedure to wear Emerald: Emerald stone should be worn in a ring made of Gold or silver. Puja of the ring should include green leaves, greem moong dal, incense and camphor. The ring should be worn in the morning on Wednesday on right hand little finger. The Mercury mantra should be recited 108 times to energize the ring for its best results.
Mercury Mantra: "Om Bhum Bhudaaya Namaha"