Very vivid and colorful blue Azurite ball separated in two hemispheres. Featuring Azurite aggregates with light blue color at the rim to extremely intense dark royal-blue at the center. It is very sparkling and complete floater. Some crystallization at the center.  For references see the issue of The Mineralogical Record vol. 45, # 4, July-August 2014. In superb condition.
Amazing!