Doubly terminated Quartz with inclusions of hydrocarbons

Emilio Mine, 'zona intermedia', Obdulia vein, Caravia mining area, La Rubiera, Loroñe, Colunga, Comarca de la Sidra, Principality of Asturias (Asturias)  Spain (09-11/2004)

Specimen size: 9.0 × 4.5 cm = 3.54” × 1.77”
Main crystal size: 5.8 × 4.0 cm = 2.28” × 1.57”