According to Vedic Astrology, Emerald Gemstone represents the planet Mercury. It is very expensive Gemstone and fine quality Emeralds are found in mines of Scotland and Zambia. Its color can be from light green to dark green. If you are a business man and want to get success in your business, you can wear an Emerald as Mercury represents the business activities in someone’s life, it should be strong. To make acting and molding career one should have a beneficial and strong Mercury in his/her horoscope. Who relates these activities, must wear an Emerald to get success in their career.
Rule 1 : Checking of Emerald.
Please check from a competent astrologer whether or not Emerald suits you. Wearing a gemstone that does not suit you as per your astrological chart is not recommended. Gemstones bring changes in your natural energy fields and wearing a non suitable gemstone can be harmful.
Rule 2: Which Day to Buy an Emerald.
Buyan Emerald Gemstone on a Wednesday during the Shukla Paksha (the ascending moon cycle). If you have problems purchasing an Emerald on Wednesday, then, purchase it on a Friday. Emerald may also be purchased when the nakshatra (constellation) is Ashlesha, Jyeshtha, Revati, or Rohini.
Rule 3: Weight of Emerald.
The ring should be set in Gold and the stone mounted in open backed ring such that it can touch the finger that you wear on. The weight of the Emerald should be not be less than 1.5 rattikas. (1 Rattika = 0.9 carats). Wear Emerald that have weight such as 5 to 5 ½ rattikas or please consult your astrologer.
Rule 4: Mantra for an Emerald.
Offer flowers, incense to the yantra and the Emerald and chant the following mantra 108 times:
"Aum Bum Budhaye Namah Aum" or "Om Namo Bhagwate Vasudevaaya"