The physical properties, especially the density, refractive index, and double refraction, as well as the pleochroism, vary according to source area, all emeralds are brittle and combined with internal stress, sensitive to pressure; care must be taken in heating them. They are resistant to all chemicals which are normally used in the household.
Significant emerald deposits are in Colombia, especially the Muzo mine northwest of Bogota. First mined by natidve tribes, the Muzo deposit was abandoned and reiscovered in the 17th century. The mine yields fine-quality stones of a deep green color. In Brazil there are various deposits in Bahia, Goias, and Minas Gerais. Stones are lighter than Colombian ones, mostly yellow-green, but they are often free of inclusions. Brazil has become one of the most imprtant suppliers of emeralds,
Futher emerald deposits are in Zimbabwe,the northern Transvaal( South Africa), Russia, Afghanistan, Australia( New South Wales, Western Australia), Ghana, India, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Pakistan, Zambia, Tanzania, and the United States(North Carolina).
Benefit of wearing Emerald.
Wearing emeralds in combination with other stones will enhance outcomes on competitive exams, in trade, and in business. Emeralds also boost intellect, memory, analytical, and intellectual power.
Emeralds will benefit people who are writers, politicians, spiritual leaders, musicians, founders of educational institutions, public speakers, judges, government officers, architects, auditors, shippers, bankers and financiers.
In business-related areas, commission agents, publishers, and professionals in the textile field can benefit from an emerald’s powers. These stones may help people who run travel agencies or other commission-related business that require no capital to start.
Emerald is very helpful to those who are in the field of medicine, especially those who specialize in the brain, eyes, ears, and general medicine, or those associated with CT scans, MRIs, and pediatrics.
People in the IT sector, the nuclear field, and astronomy will also benefit from this stone.
**Reference Book – ” Gemstones of the World” by Walther Schumann