Emeralds in antiquity were mined in Egypt at locations on Mount Smaragdus since 1500 BCE, and India, and Austria since at least the 14th century CE. The Egyptian mines were exploited on an industrial scale by the Roman and Byzantine Empires, and later by Islamic conquerors.
Emeralds are found all over the world in countries such as Afghanistan, Australia, Austria, Brazil, Bulgaria, Cambodia, Canada, China, Egypt, Ethiopia, France, Germany, India, Italy, Kazakhstan, Madagascar, Mozambique, Namibia, Nigeria, Norway, Pakistan, Russia, Somalia, South Africa, Spain, Switzerland, Tanzania, the United States, Zambia, and Zimbabwe
In the US, emeralds have been found in Connecticut, Montana, Nevada, North Carolina, and South Carolina.
In Canada, in 1997 emeralds were discovered in the Yukon.
In Afghanistan, although Emeralds have been reported from Panjshir for literally thousands of years, it has produced commercial amount of emerald only in last five decades.