Description
Here we have a fantastic specimen of Santarosaite from the type locality, the Santa Rosa Mine of Iquique Province, Tarapacá, Chile. Santarosaite is an ULTRA-RARE copper borate and unique in the world, to this adit in an old silver mining district. Rich patches of blue globules of the species are scattered over the typically matrix. The species was described and approved in 2007. Choice and rich material from the Bernhard Dünkel collection.