Description: Chalcopyrite, Redgillite Neves-Corvo Mine, Santa Bárbara de Padrões, Castro Verde, Beja District, Portugal FOV 0.9 mm Small balls (aggregates of lath like crystals) of the rare sulfate Redgillite, found in a small fracture of massive Chalcopyrite of Corvo mass.

All pictures, text, design © Forum FMF 2006-2025