Azurite – Tsumeb, Otawi Mountains, Namibia
 Ex collection Univ. Prof. Dr. H. Siegmund, Vienna
 Ex Christian Weise collection
 
 Up to 4.8 cm long azurite crystals on matrix. The crystals are partly crystallized with razorblade sharp edges and partly due to growth disturbances Rough on the surface. A nice contrast. The color, luster, structure and quality of this specimen are Flawless. 
 This beautiful piece was purchased in 1958 by  Prof. Dr. H. Siegmund and was in his collection for a long time before it entered Christian Weise's collection.