Gota de Aceite Emerald: The Rarest Colombian Emerald Effect

Gota de Aceite is one of the rarest characteristics associated with fine Colombian emeralds. Created by microscopic growth structures within the crystal, the phenomenon gives certain stones a distinctive soft, velvety appearance. Closely associated with Colombian emeralds, particularly those from the Muzo region, it remains one of their most fascinating and sought-after natural features.