Quartz doubly terminated with hydrocarbon inclusions

Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias)  Spain

Specimen size: 6.2 × 3.5 × 3.2 cm = 2.44” × 1.38” × 1.26”
Main crystal size: 5.6 × 2.4 cm = 2.20” × 0.94”