Santarosaite (ultra rare - Type Locality) Matioli Coll.

Item Description

Santarosaite in an ultra-rare Cu-borate, unique in the world, to this adit in an old silver mining district (MINDAT). Rich patches of vivid blue globules of the mineral are scattered across the large and colorful matrix with green atacamite and white calcite. The species was only described and approved in 2007! Choice and rich material from the Matioli Collection.