BerylPeña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia
Photo: Saenz Most northern of all emerald mines in the Western Emerald Bearing Belt (Boyacá, Colombia), also known as the Vasquez - Yacopí Disctrict. The mineralogy of Peñas Blancas is very different from that found in the other mines in Colombia, particulary because of the absence of pyrite and other sulphides and the presence of fluorite crystals of up to 40 cm between aristes. It is also known as the only mine in the world where the "trapiche" emerald is found.
References
Saenz, L. D. (2005): Petrografía y geotermometría de los yacimientos de esmeralda de Peña Blanca (San Pablo de Borbur, Boyacá, Colombia).
Mineral List
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