Mineral: Nontronite (variety Ca-rich Nontronite)
Locality: Can Súria Quarry (Guixeres Quarry), Maçanet de la Selva, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya, Spain
Dimensions: FOV 8 mm

Description: Yellow Nontronite coating white Calcite spheres, on volcanic rock vacuoles.

All pictures, text, design © Forum FMF 2006-2024