Hydrocarbon inclusions in quartz (Spain)

Weight: 7.36 ct
Size 17.4 x 8.3 x 8.2 mm


A beautiful doubly terminated quartz crystal with spectacular hydrocarbon inclusions. Typical filling consists of two liquid phases (water and yellow petroleum), gas bubble and tiny dark particles of solid hydrocarbons!
Lots of fun in this interesting piece!

There are similar samples from Pakistan on the market, but this one comes from European classic locality in Spain, already worked out! Old stock samples!
See detailed study of these inclusions here

Sample type: natural crystal, perfect crystal faces, no polish
Origin: Berbes, Ribadesella, Asturias, Spain