Rich specimen of Smithsonite on Azurite and Malachite. Featuring Azurite with vivid royal blue color and green Malachite grown on white carbonate base. Above is seen botryoidal Smithsonite with frosty appearance. It is colorless and fresh. For references see the 2013 issue of The Mineralogical Record vol. 44, # 6. In very good condition – some contacts. On acrylic base.

Splendid!