Emerald belongs to the beryl family of which this emerald is the only variety which comes under the precious stone categories. Emerald is a mineral composed of beryllium aluminium cyclosilicate with the hardness of the Emerald is 7.5-8 which is consider as poor in strength. Emerald is worn for the mercury planet(budh) and is also worn on Wednesday. It is worn for the benefits in health, career & business. Best of Emeralds are found in Scotland & Zambia. Get Best Gold Jewellery from the best Jewellers in town with best price, range & variety. Get Government Approved Lab Certified Gemstones/Birthstones. Cash/Exchange your Gold, Silver & Diamonds at 100% Value with no deductions.