This Specimen has been sold.
2.6" Rosasite, Selenite and Ferroan Dolomite Association - Morocco
This colorful specimen contains blue-green colored rosasite crystals, enshrouded in a thin layer of transparent selenite crystal. Both sit on a bed of reddish brown ferroan dolomite which itself is coated in selenite, giving the entire specimen a sparkling effect.
Rosasite is a secondary mineral that forms in oxidation zones of copper-zinc deposits, generally forming a fibrous botryoidal sphere that can appear vitreous and silky. While typically featuring a blue-green color, colorless specimens are not unheard of. The chemical formula of rosasite is CuZnCO3(OH)2.