Emerald is a precious gem stone green in color. It is a gemstone that cannot be compared with any other stone. The best emeralds come in from Colombia, Afghanistan or Zambia. Emerald is the birthstone of June month. It provides the balanced thinking power and a better understanding of life. It gives a great sense of confidence to communicate better and clearer. Medically it can help with speech difficulties and respiratory troubles along with allergies and disorders of the nervous systems.