Roger Weller, geology instructor
email@example.com copyright 2010-R.Weller
yellow smithsonite with aurichalcite-1
Smithsonite is zinc carbonate. Smithsonite usually occurs in botryoidal or reniform
encrustations. In plain English, it forms a bumpy coating on other rocks.
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.