Muzo - Municipality and town in Boyacá Department, Colombia

"Muzo is a town and municipality in the Western Boyacá Province, part of the department of Boyacá, Colombia. It is widely known as the world capital of emeralds for the mines containing the world's highest quality gems of this type. Muzo is situated at a distance of 178 kilometres (111 mi) from the departmental capital Tunja and 118 kilometres (73 mi) from the capital of the Western Boyacá Province, Chiquinquirá. The urban centre is at an altitude of 815 metres (2,674 ft) above sea level. Muzo borders Otanche and San Pablo de Borbur in the north, Maripí and Coper in the east, Quípama in the west and the department of Cundinamarca in the south. - Wikipedia"