Fantastic delicate crust of Vauxite with rich blue color from the type locality Siglo Veinte Mine (Siglo XX Mine, Llallagua Mine), Potosi, Bolivia. It comes from the collection of Sandro Maggia, Italy with a label.  The rare secondary mineral Vauxite derived from the alteration of apatite is named after George Vaux, Jr. It forms thin curved crust with intense blue color and sparkling appearance. In superb condition. On acrylic base.

Choice Vauxite!