Welcome to Delta Bravo! DELTA BRAVO GEMSTONE info@emeralds.com Emerald Mineral Specimens We are your best source for Emerald specimens, from Colombia, the premier mining source of Emeralds in the world. My partner Jose Vesga and myself (Don Bachner) have been importing Emeralds from Colombia to the rest of the world since 1983. Jose lives in Bogota, Colombia and travels to the mining areas three ...