Petroleum Quartz Crystal

Liquid petroleum fill natural cavities held within these crystals,
The inclusions display 3 phases of matter, a liquid - the petroleum,
a solid - the bitumen, and a gas - the bubbles of methane.

When exposed to Ultraviolet light, the petroleum glows with a bright
bluish-green fluorescence.

These Petroleum Quartz Crystal are from Belouchistan, Pakistan.

The price is for one piece.