Mineral: petroleum inclusions in Quartz
Locality: La Cabaña, Berbes mining area, Valdelmar, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias), Spain
Dimensions: FOV 6 mm

Description: Oil in quartz seen under UV

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