Zaccagnaite-3R
El Soplao cave, La Florida mining area, Sierra de Arnero, Cantabria, Spain
SEM photo of the Zaccagnaite 3-R, recently found at El Soplao cave. Scale given in the picture. Octahedral crystals of the Zaccagnaite associated to the stromatolites within El Soplao cave. Photo by Carlos Rossi and Rafael Lozano.
© Carlos Rossi and Rafael Lozano