Striking polished Azurite hemisphere. It is a half ball with an amazing royal blue color - very vivid and rich. Features Azurite aggregates forming marvelous Agate like bands with different color intensity. At the center are seen irregular cavernous formations. For references see the issue of The Mineralogical Record vol. 45, # 4, July-August 2014. In very good condition – some small damages. Polished.
Fantastic blue!