Gilsonite Wikipedia

Gilsonite Wikipedia Gilsonite, also known as asphaltum or uintahite, is a natural, solid hydrocarbon found primarily in the Uinta Basin of Utah. It is a form of asphaltite, notable for being soluble in aromatic and aliphatic solvents but not in water. Gilsonite is black, lightweight, and brittle, resembling coal but differing in chemical composition and use. [...]