gilsonite

Updated About encyclopedia.com content Print Article Share Article
views updated

gilsonite (asphaltite) Solid form of hydrocarbon which occurs as pure, natural bitumen; sp. gr. 1.05–1.10; hardness 2; black; occurs in veins, lodes, and sedimentary rocks. On heating it softens rapidly and flows like a liquid. It is used in waterproof coatings, wire insulations, and lacquer.

More From Encyclopedia.com


MORE ON THIS TOPIC