Smithsonite (Var: Monheimite), Quartz (Var: Chalcedony), Greenalite, Galena, Chalcopyrite
San Valentín Mine, La Unión, Murcia, Spain
This locality is noted for the occurrence of Monheimite. According to published data, Monheimite is a ferroan (iron-bearing) variety of Smithsonite in which Fe2+ substitutes for Zn up to at least ~40 mol%. On this specimen Monheimite is present as medium yellow-brown botryoidal aggregates in association with Chalcedony. The red-brown coating on ...
© Eugene & Sharon Cisneros